Too Busy For Words - the PaulWay Blog

Sun 5th Mar, 2023

The Energica Experia

I recently bought an Energica Experia - the latest, largest and longest distance of Energica's electric motorbike models.

The decision to do this rather than build my own was complicated, and I'm going to mostly skip over the detail of that. At some time I might put it in another blog post. But for now it's enough to say that I'd accidentally cooked the motor in my Mark I, the work on the Mark II was going to take ages, and I was in the relatively fortunate situation of being able to afford the Experia if I sold my existing Triumph Tiger Sport and the parts for the Mark II.

For other complicated reasons I was planning to be in Sydney after the weekend that Bruce at Zen Motorcycles told me the bike would be arriving. Rather than have it freighted down, and since I would have room for my riding gear in our car, I decided to pick it up and ride it back on the Monday. In reconnoitering the route, we discovered that by pure coincidence Zen Motorcycles is on Euston Road in Alexandria, only 200 metres away from the entrance to WestConnex and the M8. So with one traffic light I could be out of Sydney.

I will admit to being more than a little excited that morning. Electric vehicles are still, in 2023, a rare enough commodity that waiting lists can be months long; I ordered this bike in October 2022 and it arrived in March 2023. So I'd had plenty of time to build my expectations. And likewise the thought of riding a brand new bike - literally one of the first of its kind in the country (it is the thirty-second Experia ever made!) - was a little daunting. I obtained PDF copies of the manual and familiarised myself with turning the cruise control on and off, as well as checking and setting the regen braking levels. Didn't want to stuff anything up on the way home.

There is that weird feeling in those situations of things being both very ordinary and completely unique. I met Bruce, we chatted, I saw the other Experia models in the store, met Ed - who had come down to chat with Bruce, and just happened to be the guy who rode a Harley Davidson Livewire from Perth to Sydney and then from Sydney to Cape Tribulation and back. He shared stories from his trip and tips on hypermiling. I signed paperwork, picked up the keys, put on my gear, prepared myself.

Even now I still get a bit choked up just thinking of that moment. Seeing that bike there, physically real, in front of me - after those months of anticipation - made the excitement real as well.

So finally, after making sure I wasn't floating, and making sure I had my ear plugs in and helmet on the right way round, I got on. Felt the bike's weight. Turned it on. Prepared myself. Took off. My partner followed behind, through the lights, onto the M8 toward Canberra. I gave her the thumbs up.

We planned to stop for lunch at Mittagong, while the NRMA still offers the free charger at the RSL there. One lady was charging her Nissan Leaf on the ChaDeMo side; shortly after I plugged in a guy arrived in his Volvo XC40 Recharge. He had the bigger battery and would take longer; I just needed a ten minute top up to get me to Marulan.

I got to Marulan and plugged in; a guy came thinking he needed to tell the petrol motorbike not to park in the electric vehicle bay, but then realised that the plug was going into my bike. Kate headed off, having charged up as well, and I waited another ten minutes or so to get a bit more charge. Then I rode back.

I stopped, only once more - at Mac's Reef Road. I turned off and did a U turn, then waited for the traffic to clear before trying the bike's acceleration. Believe me when I say this bike will absolutely do a 0-100km/hr in under four seconds! It is not a light bike, but when you pull on the power it gets up and goes.

Here is my basic review, given that experience and then having ridden it for about ten weeks around town.

The absolute best feature of the Energica Experia is that it is perfectly comfortable riding around town. Ease on the throttle and it gently takes off at the traffic lights and keeps pace with the traffic. Ease off, and it gently comes to rest with regenerative braking and a light touch on the rear brake after stopping to hold it still. If you want to take off faster, wind the throttle on more. It is not temperamental or twitchy, and you have no annoying gears and clutch to balance.

In fact, I feel much more confident lane filtering, because before I would have to have the clutch ready and be prepared to give the Tiger Sport lots of throttle lest I accidentally stall it in front of an irate line of traffic. With the Experia, I can simply wait peacefully - using no power - and then when the light goes green I simply twist on the throttle and I am away ahead of even the most aggressive car driver.

It is amazingly empowering.

I'm not going to bore you with the stats - you can probably look them up yourself if you care. The main thing to me is that it has DC fast charging, and watching 75KW go into a 22.5KWHr battery is just a little bit terrifying as well as incredibly cool. The stated range of 250km on a charge at highway speeds is absolutely correct, from my experience riding it down from Sydney. And that plus the fast charging means that I think it is going to be quite reasonable to tour on this bike, stopping off at fast or even mid-level chargers - even a boring 22KW charger can fill the battery up in an hour. The touring group I travel with stops often enough that if those stops can be top ups, I will not hold anyone up.

Some time in the near future I hope to have a nice fine day where I can take it out on the Cotter Loop. This is an 80km stretch of road that goes west of Canberra into the foothills of the Brindabella Ranges, out past the Deep Space Tracking Station and Tidbinbilla Nature Reserve. It's a great combination of curving country roads and hilly terrain, and reasonably well maintained as well. I did that on the Tiger Sport, with a GoPro, before I sold it - and if I can ever convince PiTiVi to actually compile the video from it I will put that hour's ride up on a platform somewhere.

I want to do that as much to show off Canberra's scenery as to show off the bike.

And if the CATL battery capacity improvement comes through to the rest of the industry, and we get bikes that can do 400km to 500km on a charge, then electric motorbike touring really will be no different to petrol motorbike touring. The Experia is definitely at the forefront of that change, but it is definitely possible on this bike.

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Mon 26th Nov, 2018

New workshop, new lathe

I've been building a workshop for my wood turning hobby, and finally I had some time to put my lathe in. This involved hiring an engine hoist, disassembling and re-assembling that to get it through the doorway. Because the lathe's motor controller was permanently connected to the motor, power cord, controller and speed display, I had to get the lathe in the room before I could attach the controller to the wall and fit the cables into the slot in the bench. It was complicated.

Fortunately for you, you can watch the whole thing in time lapse format, speeded up so two hours becomes five minutes:

Lathe install

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Wed 25th Apr, 2018

Temperature monitoring in Linux on an AMD Ryzen processor

I bought an AMD Ryzen processor and compatible motherboard as an upgrade for my home server. Seriously, this thing rocks! Four cores, eight threads, and still 65W of total power draw on the processor.

You need a fairly recent kernel to support the AMD Ryzen processor - the stock CentOS 7 kernels will intermittently and randomly lock up. One way of dealing with this is to install an updated kernel from EL Repo or similar, and that worked for me for a time. But at some point it dropped support for the Hauppauge NovaT USB DVB input I have for recording for MythTV, and I had to recompile the kernel. There are plenty of instructions out there for how to do that and it's relatively painless.

One thing that isn't currently included in the kernel source is the IO driver for the temperature and voltage monitoring on modern AMD boards. In fixing this I learnt a valuable lesson about how lm-sensors actually works. sensors looks for and reads sensor information from all the devices in the kernel that present the right interface; but you need to have the right device loaded in order for sensors to read it. So recompiling lm-sensors or re-running sensors-detect won't fix this.

Instead, you need to install the it87, or possibly the nct6775 driver at https://github.com/groeck/it87. Instructions for doing this can be helpfully found at https://linuxconfig.org/monitor-amd-ryzen-temperatures-in-linux-with-latest-kernel-modules.

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Tue 1st Aug, 2017

Back on electricity

I rode my electric motorbike today after several months off the road.

Firstly, I'd had problems with the bike cutting out for a second or so while riding. I wanted to find a solution to that but it's very difficult to work out what might be wrong when I cannot replicate this in the garage. And it's very difficult to work out what the controller lights might be telling you when they're down on the fuel tank and you're supposed to be watching the road at 80km/hr.

Then I left it off the charger for a month or so and a couple of factors caused the battery to drain. Finding cells that are supposed to be 2.5V minimum at 0.7V is not a good sign. Basically, I don't disconnect the DC converter so it's constantly doing a small amount of work keeping the battery topped up. It then took a fair amount of work, not helped by going away for several weeks, to get the cells back to a state where the onboard BMS would consider charging it again.

So this afternoon after work I took it for a couple of laps around the block here, doing a few gradually increasing loops to see how it would go. I didn't hit the low battery alarm, but I'll keep gradually increasing the distance nearby to see if I can hit any problems and to exercise the battery more. It helps the BMS level out the cell differences.

I've probably lost about half the battery capacity or more. It's very difficult to say without proper testing equipment. But I'm up for a new battery, I fear.

Still, if I can find the cells I want I will get a battery with about 32% more kilowatt-hours (~10KWhr), 36*1.5, weighs 64% (54kg) and takes up 55% of the volume. Just got to hope that someone will sell them to me...

Last updated: | path: personal / ebike | permanent link to this entry

Sun 22nd Jan, 2017

LCA 2017 roundup

I've just come back from LCA at the Wrest Point hotel and fun complex in Hobart, over the 16th to the 20th of January. It was a really great conference and keeps the bar for both social and technical enjoyment at a high level.

I stayed at a nearby AirBNB property so I could have my own kitchenette - I prefer to be able to at least make my own breakfast rather than purchase it - and to give me a little exercise each day walking to and from the conference. Having the conference in the same building as a hotel was a good thing, though, as it both simplified accommodation for many attendees and meant that many other facilities were available. LCA this year provided lunch, which was a great relief as it meant more time to socialise and learn and it also spared the 'nearby' cafes and the hotel's restaurants from a huge overload. The catering worked very well.

From the first keynote right to the last closing ceremony, the standard was very high. I enjoyed all the keynotes - they really challenged us in many different ways. Pia gave us a positive view of the role of free, open source software in making the world a better place. Dan made us think of what happens to projects when they stop, for whatever reason. Nadia made us aware of the social problems facing maintainers of FOSS - a topic close to my heart, as I see the way we use many interdependent pieces of software as in conflict with users' social expectations that we produce some kind of seamless, smooth, cohesive whole for their consumption. And Robert asked us to really question our relationship with our users and to look at the "four freedoms" in terms of how we might help everyone, even people not using FOSS. The four keynotes really linked together well - an amazing piece of good work compared to other years - and I think gave us new drive.

I never had a session where I didn't want to see something - which has not always been true for LCA - and quite often I skipped seeing something I wanted to see in order to see something even more interesting. While the miniconferences sometimes lacked the technical punch or speaker polish, they were still all good and had something interesting to learn. I liked the variety of miniconf topics as well.

Standout presentations for me were:

Last updated: | path: tech | permanent link to this entry

Tue 10th May, 2016

How to get Fedora working on a System 76 Oryx Pro

Problems: a) No sound b) Only onboard screen, does not recognise HDMI or Mini-DP Solutions: 1) Install Korora 2) Make sure you're not using an outdated kernel that doesn't have the snd-hda-intel driver available. 3) dnf install akmod-nvidia xorg-x11-drv-nvidia Extra resources: http://sub-pop.net/post/fedora-23-on-system76-oryx-pro/

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Fri 6th Nov, 2015

Open Source Developers Conference 2015

In the last week of October I attended the Open Source Developer's Conference in lovely Hobart. It was about 90 people this year - for some reason people don't come to it if they have to travel a bit further. It's their loss - this year was excellent.

We started with Dr Maia Sauren's keynote on all the many many ways that government departments and not-for-profit organisations are working to open up our access to transparent democracy. I've never seen a talk given by going through browser tabs before but it was a good indication of just how much work is going on in this field. Then we had Ben Dechrai demonstrating how easy it is to install malware on systems running PHP, Julien Goodwin talking about the mistakes people make when securing data (like thinking NATting is the answer), and Katie McLaughlin with a good round-up of why Javascript is actually a good language (and why the "WAT" talks are amusing but irrelevant to the discussion).

Tuesday afternoon was GIS afternoon. Patrick Sunter gave a really amazing talk about urban planning, demonstrating mapping transit time across a city like Melbourne interactively - drop a pin on the map and in three seconds or so the new isocron map would be generated. This allowed them to model the effects of proposed public transport changes - like a train line along the Eastern Freeway (get this done already!) - very quickly. Then Blair Wyatt demonstrated SubPos, a system of providing location data via WiFi SSID beacons - doesn't work on Apple phones though because Apple are into control. Matthew Cengia gave a comprehensive introduction into OpenStreetMap, then afternoon tea. I skipped the lightning talks since I normally find those a bit scattered - any talk where you spend more time hassling over how much time you have remaining and whether or not your technology is working is a talk wasted in my opinion. I needed a rest, though, since I was struggling with a nose and throat infection.

Then we headed off to dinner at the Apple Shed in the picturesque Huon Valley. Local ciders, local produce, good food, good company, good conversation. All the boxes satisfyingly checked :-). I bought a bottle of the Apple Schnapps to sample later.

Wednesday morning's keynote was by Mark Elwell and showed his experience as an educator looking at Second Life and OpenSim. This was a different take on openness - demonstrating how our desire to create and share is stronger than our greed. The things that SL and OpenSim have done to lock up 'intellectual property' and monetise people's interactions have generally hindered their success, and people still put hundreds or thousands of hours into modelling things just for the satisfaction of seeing it in a virtual world. It was a good reflection on one of the many reasons we create free open source software.

Casey West, Thor's younger brother, gave an excellent review of the 'time estimation' methods we've traditionally used in software engineering - the waterfall model, agile development, and scrum - and why they all usually end up with us lying making up how much time things take. One thing he said which struck home to me was "your company invests in you" - it was the answer to the problem of support (and security) being seen as a cost rather than a benefit. Kathy Reid gave an excellent talk about how to guide your career with some excellent speaking tips thrown in (an acknowledgement of country and assistance for hearing impaired people, amongst others). I skipped Paul Fenwick's CKAN talk as I wanted to prepare my lightning talk for later (hypocritical? Yes, I suppose so :-) ).

In the afternoon Chris Neugebauer gave a good demonstration on why HTTP/2 is going to rock, Scott Bragg talked about one of the more esoteric uses of BitCoin block chains, and Arjen Lentz showed the benefits (and absence of fail) in teaching primary school children to make their own robots (including soldering). Michael Cordover gave a highly anticipated talk on his progress trying to get the Australian Electoral Commission to reveal the source code for its "EasyCount" software that's used (amongst other things) to count Federal Senate elections. It's disappointing that the closed mindset exists so strongly in some areas of government - the reasons and the delays and the obstructions were more than just simple accident.

We then had a set of "Other Skills" lightning talks - people talking about other things they do outside of programming things. Unfortunately I can't remember many of these because I was preparing for mine, which was on constructing my electric motorbike. This was well received - quite a few people came up to me afterward to talk about motorbikes, and the practicalities of building an electric one. It's always satisfying to talk with people that don't need the basics (like "can't you put wind generators on it to generate power as you move?") explained.

The Thursday morning keynote was by Richard Tubb, talking about how we can create opportunities and use the situations we find ourselves in to open up and improve our lives, and showed some of the things achieved in the GovHack Tasmania he ran. Sven Dowideit, the author of Boot2docker, gave a good demonstration of the things you can do with containers - particularly good for build systems as they can be stripped down to avoid unexpected dependencies. Then I gave my talk on my experiences with logs and how we can improve the logs our programs generate; the feedback I got was good, but I'd like to add more examples and an actual library or two to implement the principles I talk about. Then John Dalton gave a talk about how to use ssh's tunnel flags; it was a good overview of how the various options work.

I don't remember what I was doing after lunch but I don't remember the first talk - I think I was resting again. I did see Jacinta Richardson's talk on RPerl, which is basically a library that compiles your Perl code into C++. It's useful for computationally intensive things but the author of RPerl seems to have bizarre notions of how to interact with a community - like refusing to look at Github issues and requesting they be put on his Facebook page instead. We had a couple of 'thunder' talks - the main one I can remember was Morgan's talk on her PhD on Second Life and OpenSim (her mentor was Mark Elwell), which touched on the same points of social and open interaction.

After afternoon tea we had Pia Waugh speaking via Hangout from her home in Canberra - she wasn't able to attend in person because of imminent child process creation (!). She talked about GovHack, leading some of the projects to open up government processes and her work in dealing with the closed mindset of some people in government departments. Pia is always so positive and engaged, and her energy and enthusiasm is a great inspiration to a lot of people who struggle with similar interactions with less-than-cooperative bureaucrats. Sadly though, it was another demonstration of how we really need a high speed broadband network - the video stalled occasionally and Pia's voice was garbled at some times because of bandwidth problems.

We had another set of lightning talks which I stayed around for - and good thing too, because Fraser Tweedale demonstrated an amazing new system called Deo. It's essentially "encryption keys as a network service": a client can store a key in a network server and then request it later automatically. The two situations Fraser demonstrated for this were unlocking your Apache SSL certificate when Apache starts up (using a pass phrase helper) and unlocking LUKS disk encryption automatically when a machine boots (using a helper in LUKS). Since I'd recently had a customer ask for this very thing - machines with encrypted disks for data security outside the corporate network but that boot without user intervention when in the presence of the key server - this was hugely useful. I'm watching the Deo project eagerly, and have changed my attitude to lightning talks. If only more of them could be like this!

As is common with open source events, OSDC 2015 was collecting money for charity - in this case, the Tasmanian Refugee Defence Fund. After Lev Lafayette donated $1000 to the cause, I decided to match it. The few glimpses we get into the abysmal conditions in our costly, closed offshore detention camps are harrowing - yet we don't see (many) people in them saying "you know, take me back to Syria, I'll take my chances there". We're only hurting the poorest of the poor and the most desperate of the desperate, and only because of the xenophobia created by the Coalition and the conservative media. We're damaging people for life, and burdening our own society in coping with the problems we've created. In my opinion we're going to find out in the upcoming decades just how bad that problem really is. Anything we can do to alleviate it now is a good thing.

Overall, OSDC 2015 was a great learning experience. The "hallway track" was just as beneficial as the talks, the food was good, the venue was good, and I was glad I came.

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Sat 11th Jul, 2015

Labor on refugees

Sorry, technical folk, this is going to be a political blog post.

I recently got an email from my local member, Andrew Leigh, that raised an issue I feel passionately about; here is my response.

On 09/07/15 14:55, Andrew Leigh wrote:[snip]
> 
> ▪ Some people have asked me *why Labor supported the government’s bill to
> continue regional processing*. This is a tough question, on which reasonable
> people can disagree, but the best answer to this is to read Bill Shorten’s
> speech to the House of Representatives
> 
> on the day the legislation was introduced.
Hi Andrew,

I'm sorry, but I cannot agree with the logic Bill Shorten and the Labor party has expressed in that speech.

Firstly, anyone watching the international problems with refugees will realise that Australia's intake is pitiful and stingy compared to some of its key allies and comparable nations and especially when compared to its population size and lifestyle. It is hypocritical to say "we don't want people to risk journeying across the sea from Indonesia, but we're happy for them to remain illegal immigrants there", especially when you look at the life that those people face as refugees there.

As an aside, though, I would say that it is still partly correct - it is more humane for them to remain in Indonesia than to be detained indefinitely in the inhuman, underresourced and tortuous conditions on Manus Island and Nauru. It is shameful to me that the Labor party can ignore this obvious contradiction.

But more importantly, the logic that we're somehow denying "people smugglers a product to sell" by pushing boats back into international waters shows no understanding of people smuggling as a business. Australia is still very much a destination, it's just that people now come with visas on planes and they pay even more for this than they used to. There is still a thriving trade in getting people into Australia, it's just been made more expensive - in the same way that making heroin illegal has not caused it to suddenly vanish from the face of the earth.

All we're doing by punishing people who come by boat to seek refuge in Australia is punishing the very desperate, the worst off, the people who have literally fled with their clothes and nothing else.

Other people with money still arrive, overstay their visas, get jobs as illegal immigrants or on tourism visas. The ABC has exposed some of these ridiculous, unethical companies trading on foreign tourists and grey market labourers. The Labor party, of all parties, should be standing up for these people's rights yet it seems remarkably silent on this issue.

The point that I think Labor needs to learn and the point I ask you to express to your colleagues there is that we don't want Labor to return to its policies in 2010. We thought those were inhuman and unjust then, and we still do now. Invoking them as a justification for supporting the Government now is bad.

Personally, I want Labor to do three things with regard to refugees:

  1. Move back to on-shore detention and processing. The current system is vastly more expensive than it needs to be, and makes it more difficult for UN officials and our own members of parliament and judiciary to be able to examine the conditions of detention. The Coalition keeps telling everyone about how expensive their budget is but seems remarkably silent on why we're paying so much to keep refugees offshore.
  2. Provide better ways of settling refugees, such that one can cut the "people smuggler" middle men out of the deal.

    For example, set up refugee processing in places such as Sri Lanka and Afghanistan where many refugees come from. Set a fixed price per person for transportation and processing in Australia, such that it undercuts the people smugglers - according to figures I read in 2010 this could be $10,000 and still be 50% less than black market figures.

  3. Ensure accountability and transparency of the companies such as Serco that are running these centres. If the government was running them and people were being abused, the government would be held accountable; when private companies do this the government wipes its hands and doesn't do a thing.
And on a more conversational note, I'd be interested in your views on this as an economist. There is obviously an economy of people smuggling - do we understand it? Is there any economic justification for offshore detention? All markets must work with a certain amount of illegal activity - can we work _with_ the black market rather than trying to work against it?

I do appreciate your updates and information and I look forward to more of your podcasts.

All the best,

Paul

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Tue 23rd Sep, 2014

That time that I registered an electric vehicle

So, tell us a story, Uncle Paul.

Sure. One time when I was in Rovers, ...

No, tell us the story of how you got your electric motorbike registered!

Oh, okay then.

It was the 20th of February - a Friday. I'd taken the day off to get the bike registered. I'd tried to do this a couple of weeks before then, but I found out that, despite being told a month beforehand that the workload on new registrations was only a couple of days long, when I came to book it I found out that the earliest they could do was the 20th, two weeks away. So the 20th it was.

That morning I had to get the bike inspected by the engineer, get his sign-off, and take it down to the motor registry to get it inspected at 8:30AM. I also had to meet the plumber at our house, which meant I left a bit late, and by the time I was leaving the engineer it was already 8:15AM and I was in traffic. Say what you like about Canberra being a small town, but people like driving in and the traffic was a crawl. I rang the motor registry and begged for them to understand that I'd be there as soon as possible and that I might be a couple of minutes late. I squeaked into the entrance just as they were giving up hope, and they let me in because of the novelty of the bike and because I wasn't wasting their time.

The roadworthy inspection went fairly harmlessly - I didn't have a certificate from a weighbridge saying how heavy it was, but I knew it was only about eight kilos over the original bike's weight, so probably about 240 kilos? "OK, no worries," they said, scribbling that down on the form. The headlights weren't too high, the indicators worked, and there was no problem with my exhaust being too loud.

(Aside: at the inspection station there they have a wall full of pictures of particularly egregious attempts to get dodgy car builds past an inspection. Exhaust stuffed full of easily-removable steel wool? Exhausts with bit burnt patches where they've been oxy'd open and welded shut again? Panels attached with zip ties? Bolts missing? Plastic housings melted over ill-fitted turbos? These people have seen it all. Don't try to fool them.)

Then we came up to the really weird part of my dream. You know, the part where I know how to tap dance, but I can only do it while wearing golf shoes?

Er, sorry. That was something else. Then we came to the weird part of the process.

Modified vehicles have to get a compliance plate, to show that they comply with the National Code of Practice on vehicle conversions. The old process was that the engineer that inspected the vehicle to make sure it complied had blank compliance plates; when you brought the vehicle in and it passed their inspection, they then filled out all the fields on the plate, attached the plate to the vehicle, and then you transported it down to Main Roads. But that was a bit too open to people stealing compliance plates, so now they have a "better" system. What I had to do was:

  1. Get the bike inspected for road worthiness.
  2. They hand me a blank compliance plate.
  3. I then had to take it to the engineer, who told me the fields to fill in.
  4. He then told me to go to a trophy making place, where they have laser etchers that can write compliance plates beautifully.
  5. I arrive there at 11AM. They say it'll be done by about 2PM.
  6. Go and have lunch with friends. Nothing else to do.
  7. Pick etched compliance plate up.
  8. Take compliance plate back to engineer. Because he's busy, borrow a drill and a rivet gun and attach the plate to the bike myself.
  9. Take it back to Main Roads, who check that the plate is attached to the bike correctly and stamp the road worthiness form. Now I can get the bike registered.
Yeah, it's roundabout. Why not keep engrave the plates at Main Roads with the details the Engineer gives to them? But that's the system, so that's what I did.

And so I entered the waiting department. It only probably took about fifteen minutes to come up next in the queue, but it was fifteen minutes I was impatient to see go. We went through the usual hilarious dance with values:

Many months ago I had enquired about custom number plates, and it turns out that motorbikes can indeed have them. Indeed, I could buy "3FAZE" if I wanted. For a mere $2,600 or so. It was very tempting, but when I weighed it up against getting new parts for the bike (which it turned out I would need sooner rather than later, but that's a story for another day) I thought I'd save up for another year.

So I finally picked up my new set of plates, thanked her for her time, and said "Excuse me, but I have to do this:" and then yelled:

"Yes!!!!"

Well, maybe I kept my voice down a little. But I had finally done it - after years of work, several problems, one accident, a few design changes, and lots of frustration and gradual improvement, I had an actual, registered electric motorbike I had built nearly all myself.

I still get that feeling now - I'll be riding along and I'll think, "wow, I'm actually being propelled along by a device I built myself. Look at it, all working, holding together, acting just like a real motorbike!" It feels almost like I've got away with something - a neat hack that turns out to work just as well as all those beautifully engineered mega-budget productions. I'm sure a lot of people don't notice it - it does look a bit bulky, but it's similar enough to a regular motorbike that it probably just gets overlooked as another two-wheeled terror on the roads.

Well, I'll just have to enjoy it myself then :-)

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