Today's Message Index:
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1. 05:14 AM - Re: This cracks me up! (Peter Laurence)
2. 09:12 AM - Rib hole for wiring (Don Alexander)
3. 09:44 AM - Re: Hole in wing rib for wire conduit (DThomas773@aol.com)
4. 02:10 PM - RV-9-List: This cracks me up (Dean)
5. 03:45 PM - 0-235 Engine for sale on eBay, FYI. (Glenn Brasch)
6. 07:29 PM - Re: This cracks me up! (Ralph Cloud)
Message 1
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| Subject: | Re: This cracks me up! |
--> RV9-List message posted by: "Peter Laurence" <plaurence@the-beach.net>
Gary
I would not skip the deburring of holes--This is asking for stress cracks!
However, Rather than using a deburring tool , I would recommend a scotch
brite disk ( blue) on a die grinder.
On .016 skins, use a light hand.
Peter
Message 2
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| Subject: | Rib hole for wiring |
--> RV9-List message posted by: Don Alexander <don_shirley@propjock.com>
Warren,
Good question - Would this hole be OK in my plane? I'm not a structural engineer
either but I'd fly with it without worry IF I someone at Van's confirmed it
was ok. The directions clearly expect you to provide a hole for wiring. I'm
not where I can review them but I think they refer to opening an existing tooling
hole. It *looks* like your location is ok to me but I'd verify it with someone
with more experience and understanding of the problem and that's what Van's
is there for. If they have concerns, whether they run the calculations or
not, I'd replace the ribs. My guess is, they won't have a problem with your
location - and be sure to let us know what you find.
Don
90702 Wings...almost ready to think about where to run those same wires
Message 3
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| Subject: | Re: Hole in wing rib for wire conduit |
--> RV9-List message posted by: DThomas773@aol.com
Hi Warren,
I looked at your pics and read Don's reply. I agree with all he says. As I
recall the plans suggest enlarging the forward tooling hole but if you drilled
it out large enough for the conduit you would be into the forward flange of the
rib. I acually just routed my conduit through the rear lightening wholes
already in the rib, cushioned them with a short piece of vinyl tubing and secured
them with tie wraps.
Dennis Thomas
mounting empennage and yes, routing wire.
Do not archive
Message 4
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| Subject: | RV-9-List: This cracks me up |
--> RV9-List message posted by: "Dean" <dvanwinkle@royell.net>
Andy Karmy and other RV-9 Builders
Like many others I started deburring with the Avery 3-flute cutter and speed handle.
I then ordered the 3-flute cutter and also Avery's 6-flute chatterless
countersinks. When I used the 3-flute cutter in a B&D cordless screwdriver and
looked at the holes under a 10 power glass, I found that the gear resonance
from the screwdriver was leaving what looked like tiny gear teeth all around the
holes. From then on, I used only the 6-flute countersinks, mostly with a Craftsman
(B&D) 2 speed small cordless drill that uses 2 VersaPak batteries. It
only needs one battery at a time for slow speed and just a quick touch to each
hole is needed for a smooth result. I lengthened one of the 6-flutes with a
piece of 1/4 inch rod, a small length of 1/4 inch ID tube and 5 minute epoxy.
The 6-flutes also work well for countersinking the occasional flange for nutplate
rivets.
I hope that your replacement rudder holds up well and I agree that the guys who
are taking shortcuts now are just taking a shortcut to trouble later on.
Dean Van Winkle
90095 (Finish Kit)
N799DE (reserved)
13B NA Rotary
Message 5
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| Subject: | 0-235 Engine for sale on eBay, FYI. |
--> RV9-List message posted by: "Glenn Brasch" <gbrasch@earthlink.net>
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item2418993986&category26428
Message 6
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| Subject: | This cracks me up! |
--> RV9-List message posted by: "Ralph Cloud" <ercouper@flash.net>
Andy,
I was talking to a RV-7 builder about your cracks. He is working on his
elevators. It appears that the directions for the folded trailing edge is to
put a "bubble gum" size blob of either RTV or tank sealer on the rear of the
stiffners when you close. This bonds the left and right (or top and bottom)
skin stiffners where they nest next to each other to reduce the vibration
cracks.
Ralph
Working on elevators - wings in the wings
> Subject: RV9-List: This cracks me up!
>
>
> --> RV9-List message posted by: "Andy Karmy" <andy@karmy.com>
>
> FYI... for those that are just building your tail surfaces, learn
> from my troubles how to do it right!
>
> http://www.karmy.com/rv9a/pictures/cracks/cracks.htm
>
> - Andy Karmy (85hrs TT)
>
>
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