• The Biplane Forum is a large global active community of biplane builders, owners and pilots. From Pitts to Skybolts, to older barnstormers, all types are welcome. In addition to our active community, our content boasts exhaustive technical information which is often sought after for projects and maintenance. This information has accumulated over the 12+ years the forum has been in existence.

    The Biplane Forum is a private community. Subscriptions are only $49.99/year or $6.99/month to gain access to this great community and unmatched source of information not found anywhere else on the web. We are also a great resource for non biplane users, since many GA aircraft are built the same way (fabric and tube construction). Annual membership also comes with two BiplaneForum.com decals.



Prop choice

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Joined
May 24, 2012
Messages
1,826
Reaction score
604
Location
Cameron Park, CA. (O61)
Hi,
I am considering replacing the metal Sensenich 74DM6 S5-0-058 prop on my Charger with a wood one.
Two primary reasons I am considering this are:
1. Reduced gyroscopic and inertial forces transmitted to the prop flange and crankshaft. No, I'm not doing hard acro, but this seems to be a potential benefit.
2. CG. Remo Galeazzi built the plane with a slightly extended engine mount. His reason for doing this is that he absolutely didn't want an aft CG condition... as a result, the plane is a little on the nose heavy side, but still withing the envelope. Additionally I found a slight error in the W&B report that points towards an evern further FWD CG condition. Trading out the metal prop for a wood one might help the CG numbers a little bit. (but I have yet to do the calculations).

Any thoughts on performance changes should I change to wood?
Any other thoughts on the subject?
Thanks,
Glenn
 

Latest posts

Back
Top