Larry, et al: Here's the TC data for the Ercoupe. Other models are likely the same. Item 110 is the C85. Bottom line, With the McCauley, the static MUST be 2025 or greater otherwise, the plane does not meet the type specification. (First, verify the accuracy of the tach!)
7. Propeller - fixed pitch metal, McCauley 1A90-CF or 1B90CM 26 lb. (-32) (with engine item 110 only). Static r.p.m. at maximum permissible throttle setting: not over 2225, not under 2025. Diameter not over 71 in., not under 69.5 in. No additional tolerance permitted. 8. Propeller - fixed pitch metal, Sensenich M76AK-2 24 lb. (-32) (a) With C-75 engines only. Static r.p.m. at maximum permissible throttle setting: not over 2125, not under 2050. No additional tolerance permitted. Diameter: not over 74 in., not under 72.5 in (b) With C-85 engines only. Static r.p.m. at maximum permissible throttle setting: not over 2250, not under 2175. No additional tolerance permitted. Diameter: not over 74 in., not under 72.5 in __________________________________________________________________________ ______ To unsubscribe from this list please send mailto:[EMAIL PROTECTED] ___________________________________________________________ T O P I C A The Email You Want. http://www.topica.com/t/16 Newsletters, Tips and Discussions on Your Favorite Topics
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