Is there any way to nest the motor higher to get battery weight lower. With my PMG132 I high mounted the motor well out of the way of road spray. It sits under the front of the seat back of the tank. Just a thought since you are so early in stage 2.
Jeff Blamey On Tue, Nov 4, 2008 at 6:57 AM, SteveS <[EMAIL PROTECTED]> wrote: > I know they made a lower ratio for the R75, but I didn't consider other > models. Might be worth a look, but probably can't get me more than 10% > higher. > > I've been playing around with a gear or belt drive layout. Actually it may > end up working out better as far as fitting everything in the frame. The > motor can nest down between the lower frame tubes leaving a nice large area > above that could be made to fit a variety of batteries. I have some SLAs to > learn on, but I hope to go to lithium at some point, so this may end up as a > good solution. > > I was disappointed for a day, but now I'm re-energized. I think I'll use a > chain drive first since it's cheap and I can try out a few different ratios. > If it's to noisy I can then change over to a belt drive once I settle on a > gear ratio. > > - SteveS > > john fisher wrote: >> >> its a long shot, but different rear-end ratios were built for racing the >> R75/5 and I think for the R100/7 bikes. Reg >> Pridmore and others raced them with shaft drive. Reg hasn't had a shop in >> years, but the folks at Mountain View or San >> Jose BMW might have a ring and pinion lying on a shelf. Its also possible >> that the gears from an R65 or R50 or R75 will >> fit- in those days the bikes shared parts across the range. The R90s might >> have had a different final drive ratio too. >> >> Just a thought. ( rode an R90S and an R100RS for many years) >> >> SteveS wrote: >> >>> >>> So I guess I'm finally convinced I need to add a gear reduction. >>> ------------------------------------------------------------------------ >>> >>> >>> No virus found in this incoming message. >>> Checked by AVG - http://www.avg.com Version: 8.0.175 / Virus Database: >>> 270.8.5/1764 - Release Date: 11/3/2008 7:46 AM >>> >>> > >
