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Post by AtariGuy on Aug 8, 2017 22:22:00 GMT -5
P.s. 190mech - i didn't get too much time to really examine that bike the other day when you posted it, my god thats amazing! I would have to agree with wanting one of my own too! Does that make it a 3-off instead of just one? |
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Post by AtariGuy on Aug 22, 2017 10:50:29 GMT -5
The venice's season has been cut short, some carb problems have arisen. I'm actually not bummed about it, i can start "The Great Winter Chop" early!
As far as the carb issues, the carb started flooding on me. I opened it up to investigate, found my seat lap job i did in april (though it worked) still wouldn't last with the old grooved needle tip. However, my dismantling it has finally caused an end to the already degraded bowl gasket. That, and the bowl drain screw won't seal up anymore. The only rebuild kit i could find was on an eton miniquad parts site for... 70ish bucks. I'll save that money for a dell.
Will post more and possibly retitle this thread in the near future. Happy scootin!
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Post by AtariGuy on Oct 15, 2017 16:35:57 GMT -5
 Just an update |
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Post by AtariGuy on Oct 15, 2017 20:16:43 GMT -5
Well, there is this to see - a rough idea of what it looks like at the frame. pretty... uhhhh... yeah.  I have a few more angles, mostly detail if they're needed, but i'm going to start mocking up the frame brace and front forks whenever it shows up - though i think i've already ran into a problem with the original plan. Much adjusting shall be needed. The lower frame here is waaaaay shorter than i anticipated coming into the head tube. So geometry will definitely change a bit as i overcome this  Again, if you have any ideas, you're welcome to pitch them here. I'm always open to suggestions. Next on my to-do list is to draw up my current wiring harness so i can ditch this one and wrap a whole new one myself. |
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Post by AtariGuy on Oct 30, 2017 5:51:48 GMT -5
I've reworked my idea some. YZ80/85 forks throw the geometry way too far out to work with so those are a scrap idea. The headstock on my frame is 250mm length, most of the generic chinese pitbike forks/clamps have a 240mm steering stem pressed/welded in, but the rest of their dimensions are much closer to my scoot - so i'd have to custom a new stem. Dug around, found that many who turn their own stems use 1018 steel roundstock, so i ordered 15" of 1 inch round. Just need to find a means of getting it turned nearby here to match my old hollow tube stem. Once i get the new front forks first. Will update as parts ship.
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Post by 190mech on Oct 30, 2017 6:06:31 GMT -5
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Post by AtariGuy on Oct 30, 2017 9:05:26 GMT -5
I went with solid roundstock rather than tubestock. If i'm making that front end beefy, i might as well have a beefed up stem too
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Post by 190mech on Oct 30, 2017 9:58:43 GMT -5
Heck of a lot of machine work( $$$ )to bore solid stock into a tube...
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Post by benji on Oct 30, 2017 10:51:26 GMT -5
I agree, tube stock is easier to fab a scooter gooseneck from Imo.
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Post by AtariGuy on Oct 30, 2017 11:59:09 GMT -5
Oh - i think i misinformed. I'm turning the solid shaft into a solid steering stem, i'm leaving the headstock tube alone on my frame
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Post by 190mech on Oct 30, 2017 14:39:59 GMT -5
Got ya now!  |
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Post by 190mech on Oct 31, 2017 6:07:24 GMT -5
You might want to consider designing a 'threadless stem system' like used on later bicycles,that way no external threading is needed on the steering tube...
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Post by AtariGuy on Oct 31, 2017 15:53:27 GMT -5
You might want to consider designing a 'threadless stem system' like used on later bicycles,that way no external threading is needed on the steering tube... I'm trying to ponder the idea, but that pretty much leaves clamping or press fitting. I'm not sure how well either would be at setting the steering bearings (races) or in the case of pressing them together, the difficulty in separating them for bearing maintenance. The possibility of clamping doesn't sound too out of sorts. Not gonna lie, the thought of a clamp twisting around the stem had me in willies - until i remembered high school geometry and physics - in the third dimension, 3 points will always create a stable plane - and since the stem is offset (not directly inline) from the forks, it makes a bit more sense that it -shouldn't- twist when clamped. I'm still leaning towards having some threads turned and using lock and castle nuts. However, i've been considering the triple clamps. I'd wager those chinese pit bike clamps are nothin but pig aluminum. Might inhibit a good press-fit on the lower triple clamp. Could always make a pair myself from steel so i can press then weld the stem to the lower. That way too - i'm not limited to 48mm inverted forks, i could go with 43mm forks that are 800mm vs 730mm lengths. The options open up more this way. |
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Post by 190mech on Oct 31, 2017 18:05:02 GMT -5
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Post by AtariGuy on Oct 31, 2017 18:15:04 GMT -5
Hmm...
POST NUMBER 1000!
Carry on.
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