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Which Glue?

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Jeffrey Cottrell 219/09/2020 15:29:15
217 forum posts
34 photos

Hi Guys

Just bought myself one of these, which is made from EPO foam. looking back through the forum seems like UHU Por is the glue to use to put it together.

That's fine, except the tailplane slides into a slot in the rear of the fuz.

Por is a contact adhesive, so obviously can't slide anything into place using that, so looking for an alternative.

From what I read, ordinary cyano is ok for EPO, so could I use that and wick it into the join?

what's your thoughts?

Jeff

Tom Gaskin 119/09/2020 16:19:53
44 forum posts
5 photos

Hello Jeff,

UHU POR will be fine for the tailplane too. You are right that it states it's a contact adhesive, but it can also be used as a conventional adhesive as well - it just takes a little while to go off properly.

It's what I use for any joints on epo foam

Tom

Jeffrey Cottrell 219/09/2020 16:23:57
217 forum posts
34 photos

Hi Tom

Thanks for the quick reply and the wise advice. Por it is then.

On the same subject I notice the model has a carbon tube spar. This is fitted into a moulded channel in the wing, then a cover plate is fitted to complete to channel.

So, how about carbon to EPO, is Por still the weapon of choice, or would I be better with Epoxy?

Jeff

Steve J19/09/2020 16:31:37
avatar
2084 forum posts
60 photos
Posted by Jeffrey Cottrell 2 on 19/09/2020 16:23:57:

how about carbon to EPO

Cyano. Thin if it is a tight fit, medium if it isn't. Check on a bit of scrap foam first.

Shaun Walsh19/09/2020 16:38:52
443 forum posts
50 photos

I've repaired EPO with superphatic glue, seemed to work OK if the joint is a tight fit

Geoff S19/09/2020 17:35:38
3836 forum posts
49 photos

UHU Por is a contact adhesive if you let it dry; if you assemble the parts immediately of before it's fully dry it allows some wiggle time.

Geoff

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