ORIGINAL: topdave31
ORIGINAL: Super_Dave
It sounds like the epa is to high. You can make it easier with expo too but its smoother just turning down the epa. Sense the GPV steers like a real motorcycle its very reponcive and top heavy at low speeds just like a real bike. You could also try changing the rake to 64 degrees or move the steering linkage to the inside hole of the tripple tree which will make the steering less sensitive. None of this is going to make it more stable at low speeds though. The only thing thats going to make it more stable is to get some very heavy wheels. Just like a gyro its going to be more resistant to change if its heavier. I'm pretty sure venom is selling a heavy rim for it but I don't think its out yet. You could also get some stick on weights and put them in the front wheel as long as you keep it fairly balanced. Putting them on the rear wont help a whole lot though.
The reason why the Kyosho HOR is so easy at low speeds is it just uses weight transfer to make it turn which is very unresponcive so it feels more stable. When you drive the front tire out from under the bike like the GPV-1 does its just going to fall over unless its at a decent speed. You can deffinatly drive the GPV in that small space and I've done it before but I think they designed it more for a 1/10 track. I have no doubt weighted rims and some tweaks on the setup will help though. From what it sounds like you aren't having any problems with grip.
Thanks Dave and Swanpond!
I did every thing you guys suggested, and now the bike is able to run a simple oval track course with some level of control. I can straighten up for the short str8s and occasionally not drag the rub bars thru the corners, lol. Ya have to carry so much speed it doesn't give you much time to think about "smooth" lines. heehe.
Rght now I'm set at 35 epa, moved the ball on the triple clamp to the outside hole, and added 5 oz.! of wheel wts. to the front wheel. the automotive wheel wts fit perfect under the brak rotors without any hacking on the oem parts. I think that much waight in the front wheel has some bad side effects, as well as good, like almost any mod does. First thing I noticed is that the front wheel bounces over stuff now that before I didn't notice it doing, possibly too much unsprung weight or the tire won't support that much added weight. Also The front tire acts like it's 'slip gripping' now too, so it looks like I''ll have to try softer tires too.
I'm thinking of throwing a Kyosho front wheel on it just to see if the lesser weight, but larger outside diameter weights will have a better overall feel to to the bike.
oh yeah, what after market tires will fit kyosho and the venom rims and who in the U.S. has them in stock? should I go directly to the soft compound or medium?
Thanks again, dave