Where did you get that the max rpm is 21000. The OS 50's power band is at 17500 wth you gearing at this engine rpm you would have a headspeed of 2058. So you can see that in order to get to 1800 the engine would have to be at 15300rpm.
Also, hit the thanks on Steves very useful posts it adds to the rep of forum members who have been extremely helpful. ;-) When I get time I'm going to set up the same way as I like the simplicity
Also, hit the thanks on Steves very useful posts it adds to the rep of forum members who have been extremely helpful. ;-) When I get time I'm going to set up the same way as I like the simplicity
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