|
for single cylinder,
% p5 z& Z; a7 a i& W) }7 k2 B1. Weigh the rotating parts (bottom of connecting rod, lower connecting rod bearing, counterweight pin)
/ k7 {( B- `+ m5 g n; p2. Weight the reciprocating parts (piston, rings, wrist pin, top of connecting rod, top connecting rod bearing)2 j2 [2 f+ E8 f2 \. ~7 }
3. Use 100% of the weight from #1 and 50% of the weight from #2.
: Q: @* Y5 q' f `& s4. multiply result of #3 by 50% of the stroke length to get the torque needed for the counterweight
$ U3 C6 d3 ~3 j+ B. C5 d/ a |
|