-
Become a Subscribing Member today!
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.
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.
Why become a Subscribing Member?
- 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.
- 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.
Become a Subscribing Member and access the Biplane Forum in full!
exhuast
-
Afterfire / Popping during run up - 4 into 1
I have been chasing down a gremlin for 2 weeks now with no luck. During run up I started getting an afterfire in the form of one to two pops out of the exhaust (thanks for clear floorboards) predominantly on the left mag at 1800rpm. Tonight I ran it up to 2200 and found it turns into a constant...