my knowledge of such things is limited, is a sheer pin a weak key? will this sheer pin hold up to torque of the motor?
Travis Gintz <[EMAIL PROTECTED]> wrote: Why not put the sprocket on and lock it in place with a sheer pin... that way if it does lock up, its going to shear off the pin, and not break anything else. On 8/10/07, dale henderson wrote: > i agree with you, but i can't imagin the bidirectional being cheaper. i'll > try to find some other alternative. i think using two bidirectionals could > get close to $1900, plus two good DC PMs for $1500 more and a good > controller [regen] $600+. thats $4000 while an AC system of the same power > is about $5000 > > speaking of alternatvies does any one have any input on what would happen to > a belted torque converter if the motor locked up? would it slip? > > > Bob Martin wrote: > > > I like the bidirectional so you can still use regenerative braking. I'm > kinda paranoid about motor lock-up too, but I don't want to give up the > regen. > > ----- Original Message ----- > From: dale henderson > To: ElectricMotorcycles > Sent: Thursday, August 09, 2007 1:43 PM > Subject: Re: [ElectricMotorcycles] More on motors > > > for the MT-130 and MT-60 make sure you check the max rpm for the driven > [i.e. the motor] i think those are only rated for 1500 and 2600 rpm, > respectfuly. also check the price! i did find something that would snap > right on to an etek and would work up 3600 rpm its the FSO-400 from > formsprag > [http://www.formsprag.com/PDF/P-956-FC_pg014-015.pdf] but > their list price was $800 [dealer $500]!!! > > "Seth A. Keel" wrote: > > This is a good company for freewheels. They are probably who I will > order from, but it's not all that clear what's what from their website. > The sales rep suggested the MT-130B, but that's too big, so I think, > like explained in the last message, that I'll turn the drive shaft down > to 3/4" and go for the MT-60, though I'm still not sure what the > difference between the A B and C versions is. I assume it's mounting > options. Hopefully, I can call tomorrow to clarify and possibly order. > http://www.hilliardcorp.com/overrunning-clutch.html > > > Albuquerque, NM > http://geocities.com/hendersonmotorcycles/blog.html > http://www.austinev.org/evalbum/1000 > http://www.austinev.org/evalbum/1179 > http://www.austinev.org/evalbum/1221 > http://geocities.com/solarcookingman > ________________________________ > Luggage? GPS? Comic books? > Check out fitting gifts for grads at Yahoo! Search. > > > Albuquerque, NM > http://geocities.com/hendersonmotorcycles/blog.html > http://www.austinev.org/evalbum/1000 > http://www.austinev.org/evalbum/1179 > http://www.austinev.org/evalbum/1221 > http://geocities.com/solarcookingman > > ________________________________ > Looking for a deal? Find great prices on flights and hotels with Yahoo! > FareChase. > > Albuquerque, NM http://geocities.com/hendersonmotorcycles/blog.html http://www.austinev.org/evalbum/1000 http://www.austinev.org/evalbum/1179 http://www.austinev.org/evalbum/1221 http://geocities.com/solarcookingman --------------------------------- Fussy? Opinionated? Impossible to please? Perfect. Join Yahoo!'s user panel and lay it on us.
