> > Ed Klepeis wrote:
     > >
     > > Dear Paul
     > > A major after market alum pulley mfg. says in there catalog claim that
     > you will get 2.7 hp gain for every pound you lose from the crank pulley what
     > is your take on this claim. I know on the
     > > subaru eng we can lose approx 5lbs on the crank pulley by going to an alum
     > pulley. I have a pulley already for the 2.5L subaru but I'm thinking about
     > having an alum undersize 4 or 5 grove pulley
     > > made up for the rotary if there is enough call for it.
     > >
     > Regards
     > >
     > Ed Klepeis
     > >
     > techwelding@comcast.net

     > Perhaps if you take into consideration the rotational inertia
     > and you measure the HP in terms of engine acceleration. In an aircraft
     > engine that runs at constant RPM it is not applicable.
     >
     > Paul Lamar

     Shawn Baumgartner wrote:
     >
     > Finally someone who understands what light weight pulleys will do! I guess
     > it takes aviation people to figure it out. God bless aviation junkies! I'm
     > one too but I have not taken the step to fly by my own hands yet.
     >
     > Thanks,
     > Shawn Baumgartner
     > President & Sales Director
     > Unorthodox Racing Inc.
     > Phone: 631-586-9525 x.16
     > Fax: 631-586-2599
     > www.unorthodoxracing.com

John Vlake wrote:

For rabbit starts off the line and very quick throttle reaction it's great,however you're taking away a very fine tuned harmonic vibration damper! Put a larger light pulley on the alternator,it will
charge plenty on half the revs! John vlake

 
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