Torque measurement

[Greg Hermann]

>-----Original Message-----
>From: Greg Hermann <bearbvd at sni.net>
>To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
>Date: Thursday, April 08, 1999 10:30 PM
>Subject: RE: Torque measurement
>
>
><SNIP>
>
>>
>>Well--you would be measuring the torque output of the TRANSMISSION, not the
>>engine--so you would need to calibrate the thing a fair amount higher for
>>the low gears. Look at the engine-tranny package as a black box to
>>visualize why this is so. And calibrating with a bar stuck through the
>>output yoke, with the tranny in gear, might be a lot easier approach.
>>
>>Greg
>
>
>Hmmmm(n).  I uderstand what you are saying, but if the transmission is in
>neutral, and I open the throttle, the engine rotates oposite to the crank
>direction.  There is no output from the transmission... Is this just the
>energy that is being stored in the flywheel causing this oposite reaction,
>or am I more lost than I think?
>
>Ord

Yep--in the situation you describe, it is the reaction to the rotational
inertia of the ratating assembly that makes the engine rock.

Greg