"Hey, the speed limiter is not working man..."

Can you spot the technical mistake on technical drawing?

This actually looks pretty silly. Shun said, "I can draw that in 5min."

This has a strange scale of 3:5. Moreover, those bolt holes were drawn way HUGE because Ryan misunderstood the bolt size. It's strange that it went undetected until I scanned and photoshopped everything, because on intuition, bolts 5/3 times that size are like... used to hold the beams of a bridge together. I had to correct their written dimensions on Photoshop, but it would be too troublesome to correct the drawing, so I left them that big.

Again, the bolt holes. Also fixed the way "M6 thread" is indicated, from "/phi 6" (LaTeX...), because I realized (while sleeping - I swear) that it doesn't make sense for female threads of M6 bolts to be 6mm in diameter. Notice the part that is out of scale besides the bolt holes?

This seems most problem free.

I penned the dimensions (you can tell my work from the seemingly-arbitrary-but-actually-structured-and-overly-perfectionist-number-of-decimal-places), occasionally provided a few sketches, then Ryan drew these on A3 paper. Much credit to him because it's difficult to put together all these dimensions, no matter how neatly I try to communicate them to him; and I can't draw as well. I also added the nice wordings, because the materials/units weren't indicated. Ryan's handwriting was most similar to Segoe something..., so I used that.

My photoshopping skills have increased while fixing them. Unfortunately, it's quite out of scale (you can play a game of find-the-error with these pictures) but I don't blame him. Still good enough to be sent to the machinists after Photoshop treatment, I guess.

You may ask why I'm uploading my hard work online when people can plagarize it and beat me to my own project: well, it's good for the scientific community to have more people involved in this, and besides, this is a project which you cannot complete on whim - so I know that those who do actually have use for these must have genuine reasons accompanied with integrity. I actually wish someone has use for these in the future (in Feynman's words, "I've already got the prize. The prize is the pleasure of finding the thing out, the kick in the discovery, the observation that other people use it. Those are the real things."). It would be the greatest honour.

Anyway...

I have been neglecting my meals lately. So when Fernando called me up to ask if I wanted to visit the car workshops with him (he recently changed his exhaust extractor), I obliged. Could grab a meal along the way, learn some new things from hobbyists of another area (steal their ideas, maybe...) and make a lookout for second hand radiators to use as a cooling system for the electronics and electromagnet on the project (already-stolen idea, maybe...).

So we were on the expressway, cruising along in his car. We just exited from a tunnel... the speed limit was 70km/h. I was too tired to think, so I was effectively asleep.

Then he startled me from my half-asleep state, "Hey, the speed limiter is not working man..."

"...what?"

"There's a speed limiter on my car... and it's not working."

"...what's the speed limit supposed to be?"

"180."

My eyes darted sideways to the speedometer, which read 200++.

Perhaps too shocked for words, or too preoccupied with engineering concepts lately, my reply was, "Eh, what's the mechanism behind speed limiters?"