Today's Message Index:
----------------------
1. 09:19 AM - Firwall planning (Hinde, Frank George (Corvallis))
2. 10:10 AM - Re: Does this deburring tool exist? (Brian Meyette)
3. 01:18 PM - Re: Fitting the F-779 aft bottom skin? (Jamie Painter)
Message 1
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| Subject: | Firwall planning |
--> RV7-List message posted by: "Hinde, Frank George (Corvallis)" <frank.hinde@hp.com>
Morning all...I started hanging stuff on the firewall yesterday and
realised I have to allow space for the inverted oil system which I don't
yet have as it is coming with the engine in a few weeks.
For those of you who fitted the invert, did you have to move stuff
around on the firewall or did the Van's locations leave enough room for
the tank ind invert valve.
I have an IO360 with forward induction, Sam James cowl and Odyssey
battery on the firewall.
Thanks
Frank....Airframe still almost finished...:)
Message 2
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| Subject: | Does this deburring tool exist? |
clamav-milter version 0.80j
on hathor
--> RV7-List message posted by: "Brian Meyette" <brianpublic@starband.net>
This is really for bigger holes than rivet holes, but it works well for me:
http://brian76.mystarband.net/tools.htm#debur
It has easily interchangeable blades. The one shown in it will do both
sides of a hole. It's from MSC.
brian
http://brian76.mystarband.net/RV-7Ahome.htm
-----Original Message-----
From: owner-rv7-list-server@matronics.com
[mailto:owner-rv7-list-server@matronics.com]On Behalf Of Don Hall
Subject: RV7-List: Does this deburring tool exist?
--> RV7-List message posted by: "Don Hall" <dhall@donka.net>
I'll be hunting this at Osh.
Ideal deburring tool: Can debur both sides of a hole simultaneously. 2nd
place to a tool that deburs only the under side of the hole (for getting at
the inside of a flange).
A friend of mine showed me a deburring bit that has a spring-loaded blade
that can do exactly that. You mount the bit into a drill, and it deburs the
front\top of the hole on the way through, then the bottom\under side of the
hole when you pull it out. He did not have one of those things for #40, so
cannot attest to how effective it is. I also question whether that spring
concept would work on a thin skin for a small #40 hole.
My only deburring tool is one of those countersinks that you mount into a
cordless screwdriver. It works great everywhere except those hard to reach
places like inside the bend of a skin or the inside holes of a flange. For
most tight spots, I remove the countersink shank from the screwdriver and
spin\rotate the sink manually. That works fine, but it's a pain so I'm
looking for a better tool for those spots.
If I come back from Osh with one thing, it'll be a deburring tool that makes
it real easy to debur inside flanges and spars. Anybody have any experience
with those deburring bits? Any other favorites?
***************************
Don Hall
N517DG (registered)
rv7 empennage
http://donka.net/rv7project.html
***************************
--
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Message 3
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| Subject: | Re: Fitting the F-779 aft bottom skin? |
--> RV7-List message posted by: "Jamie Painter" <jdpainter@jpainter.org>
> I need some help. I am trying to fit my F-779 bottom skin and I am having a
> bit of trouble. This is the 0.040 thick bottom skin that ties the last three
> bulkheads together. My original skin didn't fit well. I tried to bend it by
> hand, clamped it between wood blocks and put some muscle into it, but without
> much success. I thought it might have been improperly formed at the factory
> so I ordered an new one. Well this one is about as bad as the original. Once
> again I tried to bend without success.
Yes, this piece doesn't fit so well out of the box. My bend radius didn't
seem to be quite right. Using my hand seamer I was able to increase the
radius enough that it fit like a glove.
You can see here for how it fit before and after I bent it a little.
http://rv.jpainter.org/?view=entry&date=2005-05-14
Also, it's been mentioned earlier...but make sure that you have bent the
flanges accordingly. The bulkhead webs should not be 90 degrees to the
flanges.
Best of luck,
Jamie
--
Jamie D. Painter
RV-7A fuselage N622JP (reserved)
http://rv.jpainter.org
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