[NSRCA-discussion] Genesis revisited

[Verne Koester]

John,
You may be far better off in the long run cutting out the wing and stab tube
sockets. Then jig up the fuse so the fin is straight up and down (90 degrees
to your table). At that point, you just need to glue the new sockets in so
the tubes are parallel to the table. I realize I'm over-simplifying the
process, but I think it would give you the best chance for long term
success. If you don't ruin the fin by bending it with a heat gun, it will
almost certainly end up where it started after being out in the sun for
awhile. BTW, I never trust alignment marks molded into a fuse. My first
alignment steps are to make the fin perpendicular to my table and check out
the down thrust molded into the nose ring at the same time. Once those are
set, I make my own marks (referenced off my table) as close to the molded-in
marks as possible. When you consider that two fuse halves are joined in the
center, even a few thousands shift somewhere can equate to things being way
out whack at the wing tips. One of many reasons I prefer kits where the
builder glues in the sockets rather than the manufacturer.

Hope this helps

Verne Koester

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of John Gayer
Sent: Friday, April 09, 2010 10:47 PM
To: NSRCA Mailing List
Subject: [NSRCA-discussion] Genesis revisited

I'm helping someone from our club build an old Genesis kit. Everything 
was going along just fine until it came time to install the wing and 
stab tubes. The wing tube is just fine, ends up parallel to the belly 
pan within a millimeter at the ends of the tube running through the 
fuselage.

The problem occurs at the tail end. The fin is 12 mm out of plumb and 
the stab tube(using the indicated marking on the fuselage) is tipped 
about 10 mm in the same direction as the fin. Also the marks on the 
fuselage for the stab tube and the front pin are not the same distance 
up from the fuselage bottom so it appears these marks were not 
accurately set in the mold. Rather a mess.

A long time ago when I ran into the crooked fin problem , I managed to 
get it lined up by using a heat gun and gentle pressure. Then using 
braces, tail post and a former, try to lock in the new fin position.

Anyone have any experience with this netbox kit that ran into any of 
these problems or were all the others perfect right out of the box?

I would really appreciate any guidance on this that I can get.

Thanks

John

_______________________________________________
NSRCA-discussion mailing list
NSRCA-discussion at lists.nsrca.org
http://lists.nsrca.org/mailman/listinfo/nsrca-discussion