MacRacer1 Posted January 3, 2015 Report Posted January 3, 2015 So I'm building a 4 mil cub on alcohol with shearer inframes. It's going in a stock frame. I'm building it as a dune/drag bike. It has a +10 arm and a marvin shaw on the back, with 11 paddle extremes. What would you guys run for a swingarm and paddles? I'm thinking a +12 with 12 or 14 stags 74ro Quote
Pasi S. Posted January 3, 2015 Report Posted January 3, 2015 I have no experience of CUB´s or Alcohol, but I would try that +10 and those paddles first before buying anything new. Play with a gearing, air pressure and chassis set up first and see how it hooks. JMHO. Quote
special06shee Posted January 3, 2015 Report Posted January 3, 2015 My 10cub on alky is more then a handful with a 12over arm and 14stg extremes. 76ro 1 Quote
SlowerThanYou Posted January 3, 2015 Report Posted January 3, 2015 We ran our 443 Cub with a +8 arm with 12 extremes & 14 haulers both 74"-75" RO. It only stood up one time with around 300 passes. It carried about a 6"-12" wheelie to the base of the hill. Super easy launch with the right clutch set-up. Quote
possum Posted January 3, 2015 Report Posted January 3, 2015 since your riding dunes. and possibly hill shooting I would try the 11s. thats about right Quote
MacRacer1 Posted January 3, 2015 Author Report Posted January 3, 2015 Thanks everyone. I think im going to start out with what i've got right now, but with my 4 mil stock cylinder it spins the tires a lot off the launch. I'll try the 11's, and some other tires and see what I like. With a +12 arm would 14 stags be too much for the motor? Quote
atcandbanshees Posted January 3, 2015 Report Posted January 3, 2015 Run a 14 arm if your going 14 pdl Quote
m671054 Posted January 4, 2015 Report Posted January 4, 2015 Where do you ride. Sounds 2 me like you are not jockeying correctly or tire pressure and gearing is way off Quote
SlowerThanYou Posted January 4, 2015 Report Posted January 4, 2015 What is the rider weight? To me, this is one of the most overlooked question when picking a swingarm length. Quote
MacRacer1 Posted January 4, 2015 Author Report Posted January 4, 2015 I weigh 150 pounds. The motor isn't built yet so there's no "issue", I'm just looking for advice Quote
m671054 Posted January 4, 2015 Report Posted January 4, 2015 (edited) At 150lbs if your blazing the tires off on a 10 arm you sitting to far forwards. You need to get more weight over tires. With those tires and arm you should be able to stand that bike up no problem Edited January 4, 2015 by m671054 Quote
MacRacer1 Posted January 4, 2015 Author Report Posted January 4, 2015 I can stand it up if I try, that's not the problem. I know how to ride, but I don't want to bring the front end up much, that's not how you win races. Quote
banshee760 Posted January 4, 2015 Report Posted January 4, 2015 Probly need moré gearing We Run 10 full stag extremes or 12 to 12 half stags w a 12 over arm , a +14 would only work w 14 Padles And good gearing , Depends Also were u ride but id start w A 15/42 And play w that Quote
m671054 Posted January 5, 2015 Report Posted January 5, 2015 You were complaining about spinning the tires but say you can stand it up also. i suggest you figure out where to sit on the bike to get less spin but can control the front end still. More paddle will just bring the front end up easier. Youve got the right stuff you just need to figure out how to make it work. Quote
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