Del
South East
Posts: 1,448
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Jul 22, 2019 20:08:45 GMT
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Current project is a UGears U-9 Grand Prix car. Six sheets of laser-cut plywood, some elastic bands for power, suspension and tyres, some cocktail sticks to hold parts together (because it needs no glue), some sandpaper for removing burrs and a little wax stick for lubricating some parts. The instructions say to start with the engine but that looked very fiddly, so I started with the wheels, starting handle, drive gear and exhausts. I moved on to the engine after that. Instagram linkThe elastic band power units were an absolute pig, and I've had to resort to a touch of glue so I'll put a pic of that up tomorrow when it's all dried (and I know it hasn't fallen apart!).
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luckyseven
Posted a lot
Owning sneering dismissive pedantry since 1970
Posts: 3,838
Club RR Member Number: 45
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Jul 23, 2019 10:05:15 GMT
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I like the look of that a lot. Are those tiny pins used to keep it all together ? Hmmm, fiddly! How sturdy does it end up being?
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Del
South East
Posts: 1,448
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Jul 23, 2019 11:50:07 GMT
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Difficult to say at the minute. It seems quite strong, they're a very tight interference fit, and nothing's wobbly, but then again, it's not moving yet!
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Del
South East
Posts: 1,448
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Jul 23, 2019 18:29:26 GMT
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The engine is now in the chassis: And made a start on the steering column and dashboard:
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Del
South East
Posts: 1,448
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Jul 23, 2019 20:26:33 GMT
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And now the cockpit is done, and the body sides are on. The seat is very cleverly done, it's done in such a way that it curves and then slots into place. There's a quite a few slots and tabs to get lined up with the sides, it takes a good while, and plenty of wax!
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hatsu
Part of things
Posts: 156
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I will be following this thread closely. My gf bought me this model over a year ago and I have yet to even open the box. It has sat on a shelf ever since.
My brother had one and struggled to put the rubber band 'power unit' together so I helped him. I can confirm it is a nightmare to complete but with patience and a couple hours it was finished. Its tiny but actually quite well engineered. Doing that for my brother kind of put me off starting mine. But this thread has given me the push to start it.
Ugears have quite a comprehensive catalogue and they look great running, but I do wonder how hard it will be to get them running successfully.
Good luck and keep going!
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Last Edit: Jul 25, 2019 6:30:34 GMT by hatsu
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Del
South East
Posts: 1,448
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Jul 25, 2019 11:14:52 GMT
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As the name implies, they do rely on a number of gears, and getting them to mesh correctly. I fear that I may not have done so, if a trial last night is anything to go by!
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Del
South East
Posts: 1,448
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Jul 25, 2019 16:47:49 GMT
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As I feared, it's not working! It appears that the reduction geartrain to the rear wheels isn't adjusted properly, so a bit of fettling required.
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Del
South East
Posts: 1,448
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Jul 27, 2019 17:50:37 GMT
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Stripped down the drivetrain, put it all back together, and it still doesn't work! On the photo of the cockpit, you can see the first gear of the drivetrain, and behind that is a slot for the second gear. It's a slot, because in theory, the model has forward, neutral and reverse, so as you move the gearlever that gear moves to provide the drive in the relevant mode. Unfortunately, that gear is a bit wobbly in the slot, so doesn't engage properly. I think I might need to find a slightly thicker shaft for it for reduce the wobble.
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Aug 13, 2019 14:17:48 GMT
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I'm following this with baited breath, i got one for my birthday on sunday and am planning on making a start on it soon.
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Aug 14, 2019 20:28:39 GMT
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Shouldnt have clicked the link, I know I want one now, even thoough I know its way outside my patience levels!
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Del
South East
Posts: 1,448
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Aug 16, 2019 15:47:24 GMT
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Still no further forward. Having real problems with getting the gears to mesh correctly and transmit drive.
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