Gliders > Scale

S2G ASW 27

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joe:
No order necessary Chris. They are freeeeeeeee!!!!!

 :wink:

cvanscho:
Yeah, thanks, Joe, but the postage won't be, so I was thinking I need a few bits and bobs anyway... :wink:

doogie1:
Thanks Fred,
But I need to clarify........ie where to inject the glue.

So are you saying that the spar was not glued down well to the wing tube???
Or the wing tube not well glued to the foam??
Or the spar is not glued well to the wing sheeting???

Did you drill holes into the foam around the wingtube or use a 21 0r 18 gauge needle on the syringe and simply inject in?

What about drilling down through the root along the sides of the wing tube and use a polyuerathane glue after injecting some water in.......makes it foam up and penetrate the foam and any into cracks.
 We use to do something similar with the gas large scale aerobatic planes after the wing tubes in the tail planes wore out due to the vibrations from the petrol motors.

PS no problems getting the syringes and needles....... as I am a Doogie Howser!
 Regards  :clap:

cvanscho:
"Is there a Doctor in the house?" :D

Fred:
Hi Doogie,

The wing tube was not glued, or poorly, to the foam.
You can drill holes, the size of the syringe noozle on the uper or lower surface, or both.
You can also, as you say, pour the epoxy from the wing root.





Instead of epoxy, you can also use expanding foam after you humidify the foam core...

But once again, drill 1 hole, pour the epoxy as a test. Not all the S2G kits, even the old ones, needed to be fixed. Your kit might not be in the lot !
But if at the first hole, you pour a lot of resin inside the hole (well, relatively  :wink: ) that's a bad sign ! And you can go ahead by drilling more holes to put more epoxy or foam.

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