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graeme bird
Joined: 15 Jul 2010
Posts: 434
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 Posted: Mon Oct 28, 2019 9:54 am Post subject: Rain ingress |
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I had my Europa project on the drive a couple of days while weighing and plugging it all together and waggling the surfaces and after a couple of downpours was alarmed to see so much water coming in; the passenger tray was turning into bird bath, presumably because South co fasteners have been used on the cowl and these won't seal like screws and rain from the windscreen will run through them. The other source seems to be either the hinges or the top rubber door seals with water running along the inside of the top of the central roof cover panel and dripping on to the baggage bay floor.
I've not noticed this on G-UMPY at all, but then again its rare that its left in heavy rain. Ive always assumed its fairly water proof.
I wonder whether I could add some clear silicon along the top edge of the door seal profile or what others have done (apart from use a cambric cover).
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_________________
Graeme Bird
kit4 (Wagstaff) TBD
Kit3 G-CLXU (Gregory) mono 914 xs Woodcomp
Kit2 G-PATS - (kesterton) Mono Classic 912 warpdrive
Kit 1 G-UMPY - Mono Classic/XS 912S, Woodcomp G(@)gdbmk.co.uk |
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ptag.dev(at)talktalk.net
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| Posted: Mon Oct 28, 2019 11:50 am Post subject: Rain ingress |
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Hi! Graeme Bird/Martin Coffin/ all
When I built G-PTAG I anticipated this issue and used no vertical screws on
the firewall area. But I used 4 number taper pins made from redundant door
tapers and sockets appropriately fiberglassed under the upper cowl to engage
on the taper pins. Whilst the vertical sides of the lower cowl were
countersunk philips screws into rivenuts AND a regular COATING OF the
threads with Hilomar keeps water out or to a minimum. The rest of the cowl
horizontal connectors were Southco where water egress doesn't matter.
However the door tops were always a problem in a downpour resulting in the
floor getting flooded but appropriate positioned 1/8" drain holes took care
of that! When left out in rain I always taped up the draught vents and in
particular similarly taped completely over the fuel filler and locks. You do
need to remove the ALL THE tape before flight though or you will steam up
before you take off !!!!. Of course G-PTAG was a trike therefore stood on
the ground horizontal so a mono will be bound to flood over the door rubbers
into the baggage bay so you would probably need to use a pipe from the door
rebate at the aft side of the door slot or perhaps two .....one either side.
Incidentally for simplicity of fitting all horizontal screws including
Southco were spade/chisel screw driver and vertical screws were the Phillips
driven.
( hope you are noting this Martin Coffin !?)
Regards to ALL
Bob Harrison.
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carlp101
Joined: 07 Mar 2016
Posts: 120
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| Posted: Mon Nov 04, 2019 4:04 pm Post subject: Re: Rain ingress |
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I had a little water ingress from the door hinges, so I removed them, plastered white silicone sealer in the fuselage mount points and re-attached them. Problem solved. I also made sure the door seal started and finished in the middle of the top of the door opening. I've flown through heavy rain several times and not had any leaks. My cowl Southco fasteners don't leak either, but I can't remember if they were sealed in some way. I'll have to take a look.
Regards
Carl
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