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  #11  
Old 10-14-2021, 10:23 AM
Ranger Ranger is offline
 
Join Date: Aug 2009
Location: La Grande, Oregon
Posts: 34
Default Prop Orientation 0-290 D2

Rich Pulman,
Page 7-1 of the Lycoming Manual for the 0-290 says this about prop orientation:
"Propeller Installation Consult the airframe manufacturer for information relative to propeller installation."
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  #12  
Old 10-15-2021, 07:17 AM
Rich Pulman Rich Pulman is offline
 
Join Date: Oct 2018
Location: CYQA Canada
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Default Thanks

Thanks for all the replies.

I contacted WW and they said it didn't matter how the propeller was oriented but suggested it be attached for ease of hand propping as some of you have mentioned.
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  #13  
Old 10-15-2021, 08:00 AM
pa38112 pa38112 is offline
 
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Location: Clarksboro, NJ
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Default

If you research this more you will find out the the orientation for Hand Propping is NOT the best orientation for vibration minimization. A Whirlwind is very light, so it is not a big deal. Props have been oriented that way for 50 years; however, with my metal Sensenich I decided to forgo hand propping and orient it the best for vibration. If you have electronic ignition, you won't be able to hand prop anyway.
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