N941WR
Legacy Member
Torque is what really makes our planes fly but for some reason we always talk in terms of HP.
Using the formula Torque = (HP*5252)/RPM, I calculated the following for the most popular Lycoming engines:
Engine ....HP.......RPM.......FT-LBS
O-235.....108........2700........210
O-290.....135........2600........273
O-320.....150........2700........292
O-320.....160........2700........311
O-340.....170........2700........331
O-360.....180........2700........350
IO-360....200........2700........389
IO-390....215........2700........418
IO-540....260........2700........506
Using the formula Torque = (HP*5252)/RPM, I calculated the following for the most popular Lycoming engines:
Engine ....HP.......RPM.......FT-LBS
O-235.....108........2700........210
O-290.....135........2600........273
O-320.....150........2700........292
O-320.....160........2700........311
O-340.....170........2700........331
O-360.....180........2700........350
IO-360....200........2700........389
IO-390....215........2700........418
IO-540....260........2700........506