Uh, can anyone tell me what the 'Graham Singleton Sternpost' is and what problem
it is solving?
Thanks,
Cleve Lee
N396ST A198 Mono XS
On Tue, 18 June 2002, TroyMaynor@aol.com wrote
>
> In a message dated 6/18/02 11:01:25 AM Eastern Daylight Time,
> europa-builder@ntlworld.com writes:
>
> <<
> I'm getting ready to fit the Graham Singleton stern post (any tips would be
> appreciated:) and in setting up I've noticed the two parts aren't that good
> a fit. The starboard side is a reasonable fit and I wouldn't be posting
> this email if the port side was the same. The port side is a good fit at
> the firewall and the overlap area along the side, but where it get's to the
> step (where it flares up for the fin) there is about 8mm from where the foam
> in the fusalage stops and the outer/inner skins meet. This will therefore
> make the overlap 8mm smaller so I'm worried about the strength of the joint.
>
> Is this something I should worry about? What is the minimum acceptable
> overlap at the joints?
>
> Cheers,
> Mark. >>
>
> Mark,
> I went the same route as you are taking and have not regretted using Graham's
> sternpost. I regret I cannot say for sure how much overlap I had at the joint
> near the fin as you mentioned. It has been a long time ago since I did it.
> One thing I wanted to tell you was; before you bond anything on, cleco it all
> together to see if it fits. That included first the sternpost, then the top
> molding and fin and finally the rudder. It was difficult to get the top
> molding pushed far enough aft. This may be causing the short fall you refer
> to. The firewall was bent forward keeping the top from going far enough aft.
> I drilled a 1/4" hole and using a 2"x4" to spread the load and a eyebolt,
> pulled it back a little securing it to the head rests with rubber bungees.
> One thing Erich Trombley mentioned about getting into the lightening hole in
> the fin was correct. It was necessary for me to repair the lightening holes
> rear section with a layer of 1/4" blue foam and 2 or 3 layers of bid. Not a
> big deal really. It is possible I put the sternpost too far forward causing
> this but I don;t think so. I just wanted to make sure the rudder had plenty
> of room to swing. Make sure you have some stiff straight edges to align
> everything when you bond the top and fin on. It is a little taxing to get all
> three pieces aligned. I installed the rudder and had a 4 foot alum. ruler
> wedged in between as a spacer til cured.
> Hope this makes some sense and helps. If not, write back.
> Troy Maynor
> -120
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