Use 3M trim cement to seal the case halves, no thread. The yellow sticky stuff, Virg
On Wed, 21 Apr 2004 18:50:58 -0700 "Ryan" <rr...@san.rr.com> writes: > This is from another list. > Ryan > 6:50.21.04 > > http://groups.yahoo.com/group/Q-LIST/message/10392 > > From: HawkiDoug@a... > Date: Thu Jan 2, 2003 8:34 am > Subject: VW type 4 fix > > > For those who might be interested, here's what we have come up > with as a fix > to my prop hub coming off last fall. To recap briefly, the end > of a type 4 > crank has a smaller taper on the very end and a "sleeve" is > fitted over the > end and then machined for the Force One Prop hub. We are > confident this was > the weak link and the source of the failure. Steve Bennett of > Great Plains > and I looked at several solutions and the one both Steve & I > liked best was > to have a new crank made the way we want it made. It will > actually be better > than the std. VW crank. Cost= $1000.00. The other solutions > looked to be > about half this cost, so it was a no brainer for me to spend > the extra money. > I believe I will still have about $5500.00 invested in the > engine. > > Steve sent a letter to his type 4 customers offering this > option at his cost > on this initial run. If things go as planned (do they ever?), > I should be > back in the air by early summer. > > Now, I have a question to you VW experts. What do you think of > using > Lycoming thread to seal the case halves with? See any problems > doing this? > > Doug "Hawkeye" Humble > Omaha NE > N25974 > A Sign Above > > ============================== > > If there are cranks failing I personally really want to know > who and why. > Tweedy and I are both getting older and would like to continue > to do so > without having experienced crank failure. > So, this post is a call for any one with direct knowledge to > sing out. > > Orma L. Robbins Southfield MI > 19 Years flying KR-2 N110LR (Tweedy) > http://www.aviation-mechanics.com > > > > _______________________________________ > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html > > Virgil N. Salisbury - AMSOIL www.lubedealer.com/salisbury Miami ,Fl