As part of my restoration I’ve had to recowl and rebaffle my engine. It is a serious Frankenstein engine….an O-290-D2 with angle valve cylinders. It is overhauled by a reputable local shop, so I want to stick with the engine. The cylinders are simply very “tall”. The original cowl had an interference fit with the cowl…they simply added some rubber to the cowl and let it touch. In reworking the cowl, I’ve spent a lot of time making sure I have positive clearance, but it is very minimal…less than 1/4” at the baffle bosses. I have rather large gill openings already to get this minimal clearance. I know that conical mounts keep the engine stiff. It seems that there is very limited rotational movement as compared to dynofocals. Does anybody have quantified data on engine movement with conical mounts?
-
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.
Conical Mount Engine Movement?
- Thread starter takair
- Start date
- Joined
- Nov 16, 2016
- Messages
- 626
- Reaction score
- 260
- Joined
- Jun 6, 2009
- Messages
- 2,397
- Reaction score
- 1,415
Last edited:
- Joined
- Jun 6, 2009
- Messages
- 2,397
- Reaction score
- 1,415
- Joined
- Jun 17, 2013
- Messages
- 98
- Reaction score
- 169
Similar threads
