Today's Message Index:
----------------------
1. 06:38 AM - Re: Misplaced Dimple Hole where Skin Stiffener SURFACE contacts (glen matejcek)
2. 07:03 AM - Re: Use Miniature Toggle Switches for Mag Grounding ??? (glen matejcek)
3. 11:06 AM - FW: Re: Use Miniature Toggle Switches for Mag Grounding ??? (glen matejcek)
Message 1
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| Subject: | RE: Misplaced Dimple Hole where Skin Stiffener SURFACE contacts |
Hi Garey-
I would have suggested to do as Bill did, and just put a flush rivet in the
extra hole. Having already oversized the hole, I'd recommend removing all
the cracked material, assembling the structure, and then filling the hole
with a dryish mix of epoxy / micro balloons. Properly filled and sanded,
you'll never be able to tell there was an 'oops' there.
glen matejcek
aerobubba@earthlink.net
> Subject: RV8-List: Misplaced Dimple Hole where Skin Stiffener SURFACE
contacts
> the Skin
>
>
> Greetings:
>
> Found no answer to this in Matronics archieves.
>
> While dimpling the Elev Skin accidently punched a hole and made a dimple
about
> 1/8" from the desired location where the Skin Stiffener SURFACE MEETS THE
SKIN.
> (Stiffener was previously drilled / dimpled.) I "gently' flattened the
misplaced
> dimple with minimum thinning of the Skin - very slight dimple remains.
> Then dimpled the desired rivet hole. The 2 dimples (desired and the
flattened
> undesired dimple) slightly over lap at their outer edges. Took a #49
drill and
> drilled the undesired dimple hole to relieve MOST of the Skin cracking at
the
> hole edges.
>
> Question: Any suggestion on how to prevent possible "future" cracking of
the Skin
> where the undesired dimple is ?? Use RTV to fill the hole from the Bottom
> Side and Super Fil to cosmetically fill in the Top Side of the Skin ??
(Do not
> believe RTV can be painted over - otherwise would use RTV on both sides
??)
>
> Appreciate suggestions, Garey
>
Message 2
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| Subject: | RE: Use Miniature Toggle Switches for Mag Grounding ??? |
Hi Garey-
Although I've not flown yet, I've installed 1/4" Alco gated (locking) DPDT
toggle switches for my ignitions. By spec, they should be fine in this
application. I was able to get a whole box of them off ebay for pretty
cheap, so if there should be a durability issue, they will be very easy /
cost effective to replace. Also, being DPDT, I will be able to replace my
dual mag with a Pmag, when it comes available, without doing any rewiring.
I'll just need to rotate the switches 180 degrees in their mounting holes.
Also, being DPDT, i was able to create an interlock that requires my #1
ignition and standby EFIS to be off before the starter can be engaged. For
me at least, these have proven to be very versatile components.
FWIW-
> Subject: RV8-List: Use Miniature Toggle Switches for Mag Grounding ???
>
>
> Plan to use C&K 7000 Series miniature ( 1/4" size ) "LOCKING Toggle
Switches for
> Mag grounding as Panel space is limited on the RV-8A.
>
> Anybody have EXPERIENCE using miniature toggle switches (made by C&K,
Alco Switch,
> etc.) ???? Were they reliable in this application ???
>
> If so, what Mfg / Part # did you use ??
>
> Thanks, Garey Santa Monica, CA (310) 392-1682
Message 3
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| Subject: | FW: RE: Use Miniature Toggle Switches for Mag Grounding ??? |
Whupps- those are ALCO MTL206N switches I used. They are PC mount,
meaning the electrical connection lugs are configured for soldering into
printed circuit boards. These lend themselves very nicely to soldering the
wires to the lugs and covering with heat shrink tubing.
glen matejcek
aerobubba@earthlink.net
> [Original Message]
> From: glen matejcek <aerobubba@earthlink.net>
> To: RV8-List Digest Server <rv8-list@matronics.com>
> Date: 10/17/2008 10:00:10 AM
> Subject: RE: Use Miniature Toggle Switches for Mag Grounding ???
>
> Hi Garey-
>
> Although I've not flown yet, I've installed 1/4" Alco gated (locking)
DPDT toggle switches for my ignitions. By spec, they should be fine in
this application. I was able to get a whole box of them off ebay for
pretty cheap, so if there should be a durability issue, they will be very
easy / cost effective to replace. Also, being DPDT, I will be able to
replace my dual mag with a Pmag, when it comes available, without doing any
rewiring. I'll just need to rotate the switches 180 degrees in their
mounting holes. Also, being DPDT, i was able to create an interlock that
requires my #1 ignition and standby EFIS to be off before the starter can
be engaged. For me at least, these have proven to be very versatile
components.
>
> FWIW-
>
> > Subject: RV8-List: Use Miniature Toggle Switches for Mag Grounding ???
> >
> >
> > Plan to use C&K 7000 Series miniature ( 1/4" size ) "LOCKING Toggle
Switches for
> > Mag grounding as Panel space is limited on the RV-8A.
> >
> > Anybody have EXPERIENCE using miniature toggle switches (made by C&K,
Alco Switch,
> > etc.) ???? Were they reliable in this application ???
> >
> > If so, what Mfg / Part # did you use ??
> >
> > Thanks, Garey Santa Monica, CA (310) 392-1682
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