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发表于 2011-3-21 17:07:09
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for single cylinder,+ z% x7 Z. U+ E' l$ s
1. Weigh the rotating parts (bottom of connecting rod, lower connecting rod bearing, counterweight pin)
% J8 Y/ E4 Q. U4 P8 D4 @2. Weight the reciprocating parts (piston, rings, wrist pin, top of connecting rod, top connecting rod bearing)2 j' H% Z/ g. z% B- O0 G, d9 B u
3. Use 100% of the weight from #1 and 50% of the weight from #2.
" h; u0 H$ B' N, c3 [1 h% b4. multiply result of #3 by 50% of the stroke length to get the torque needed for the counterweight
* u5 |8 n+ {4 w& E) s |
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