Hi,
If post fits too tight, is easy to introduce small twist (rotation) on posts when you trim by moving in/out the posts. This rotations will bring the problem you describe. If tubes not well aligned the problem goes bigger.
Hope it helps.
Ignacio.
--- In Indoor_Construction_at_yahoogroups.com, "calgoddard" <calgoddard@...> wrote:
>
> A continuing problem I have with some of my planes, e.g. a Cezar Banks LPP, is that the wash-in disappears or, in extreme cases, changes to wash-out as I adjust the forward wing post up or down to change the incidence of the main wing during trimming.
>
> I use tissue tubes glued to the motor stick as sockets for the wing posts. I know this arrangement is standard.
>
> All I can figure is that my wing posts are not perfectly perpendicular to the spars.
>
> Or maybe the wing post sockets are not perfectly aligned? Perhaps I need to use jigs to align the tissue tubes when they are glued to the motor stick.
>
> I typically glue on the front wing post and the back wing post using a jig or the edge of the building board to get the posts parallel to each other and perpendicular to the wing spars.
>
> I then glue in the forward diagonal brace. I then insert the wing posts in the tissue tubes that are connected to the motor stick. I then glue in the rear diagonal brace to get the right amount of wash in. I would appreciate any advice on this issue.
>
Received on Tue Jun 07 2011 - 06:53:15 CEST
This archive was generated by Yannick on Sat Dec 14 2019 - 19:13:46 CET