REFLECTOR: Firewall options

Sun Feb 11 23:43:13 CST 2007

I also used titanium, but with no fiberfax
----- Original Message ----- 
From: "John Tvedte" <johnt at comp-sol.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Sunday, February 11, 2007 11:48 PM
Subject: Re: REFLECTOR: Firewall options

Well - I'm using fiberfrax and Titanium.  Lighter than the SS, and it has a 
higher melting point - not that that is a big deal.  We are using silicone 
sheet to isolate any dissimilar metals.

John

________________________________

From: reflector-bounces at tvbf.org on behalf of Unterreiner
Sent: Sun 2/11/2007 12:45 PM
To: reflector at tvbf.org
Subject: Re: REFLECTOR: Firewall options

   I have a standard RG that only has intumescent fire resistant paint on
the fire wall. I want to replace it with a safer and more resilient material
yet keep the weight down as much as possible. Has anyone out there tried
other substances besides stainless steel and fiberfrax, and if so, how did
it perform? Would appreciate any wisdom in this area.

Thanks,
Dean Unterreiner

----- Original Message -----
From: <reflector-request at tvbf.org>
To: <reflector at tvbf.org>
Sent: Sunday, February 11, 2007 1:00 PM
Subject: Reflector Digest, Vol 33, Issue 27

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> Today's Topics:
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>   1. Re:  Fuel Leak Techniques? (Joe Ewen)
>   2.  order of assembly (Douglas Holub)
>   3. Re:  order of assembly (lawrence epstein)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 10 Feb 2007 20:45:13 -0500
> From: "Joe Ewen" <jewen at comporium.net>
> Subject: Re: REFLECTOR: Fuel Leak Techniques?
> To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
> Message-ID: <006501c74d7e$47969f20$6605a8c0 at cooleygroup.local>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Craig,
>
> 1 possibilty is that the leak opens up when the wing is loaded.  You might
> want to jack the AC near the wing tips, to simulate loading in flight.
> Then repeat your leak checking techniques.
>
> Joe
>  ----- Original Message -----
>  From: Craig and Denise Woolston
>  To: 'Velocity Aircraft Owners and Builders list'
>  Sent: Saturday, February 10, 2007 7:08 PM
>  Subject: REFLECTOR: Fuel Leak Techniques?
>
>
>  Okay collective wisdom of the reflector, John and I are at our wits end.
> We can't seem to fix a fuel leak in one of our tanks.  Wanted to solicit
> any other techniques we haven't thought of yet.  What's been particularly
> tough about this leak is that it doesn't appear to leak on the ground;
> only after flying will it show a stain streak.  It also is such a small
> leak that it will hold air pressure day after day with no appreciable leak
> down.  The other very odd trait is where the leak stain shows up and that
> is just above the landing gear where it comes out of the fuselage.  This
> is a fix gear XL if you don't remember, that passed leak checks years ago,
> flew at least 15 hours before this showed up and now we just can't seem to
> nail this down.
>
>
>
>  Thanks in advance,
>
>
>
>  Craig
>
>  XL-5FG Flying in Palmdale,CA
>
>
>
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> ------------------------------
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> Message: 2
> Date: Sat, 10 Feb 2007 20:05:07 -0600
> From: "Douglas Holub" <doug.holub at tx.rr.com>
> Subject: REFLECTOR: order of assembly
> To: <reflector at tvbf.org>
> Message-ID: <01d301c74d81$0e0cfa80$6a01a8c0 at Workshop>
> Content-Type: text/plain; charset="iso-8859-1"
>
> I have an 80's era manual which says to install the lower strakes, then
> the upper fuselage, then the upper strakes.  I think that now the fast
> build kits from the factory come with the fuselage halves already joined,
> so the order would be upper fuselage, lower strake, upper strake. But I
> saw on somebody's website where they put the lower and upper strakes
> together before they attached the upper fuselage. Does the order make much
> difference? Can somebody make a case for one method over another?
>
> Doug Holub
> Top-door, FG w/ electric nose lift, 50% done, 80% to go
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> ------------------------------
>
> Message: 3
> Date: Sun, 11 Feb 2007 04:02:51 +0000
> From: "lawrence epstein" <ljepstein at hotmail.com>
> Subject: Re: REFLECTOR: order of assembly
> To: reflector at tvbf.org
> Message-ID: <BAY123-F31D1D500EC32376793DD1DB9920 at phx.gbl>
> Content-Type: text/plain; format=flowed
>
> Unless something has drastically changed since I did my strakes about 8
> years ago, you need the main spar in place and the wings on, everything
> level and incidence set, when you install the lower strake and later when
> you close the strake. I guess you could do that with the top half of the
> fuselage off, but i dont see why you would, although it may give you
> easier
> access to some of the rear/top strake layups.
>
> Larry Epstein
>
>>From: "Douglas Holub" <doug.holub at tx.rr.com>
>>Reply-To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>>To: <reflector at tvbf.org>
>>Subject: REFLECTOR: order of assembly
>>Date: Sat, 10 Feb 2007 20:05:07 -0600
>>
>>I have an 80's era manual which says to install the lower strakes, then
>>the
>>upper fuselage, then the upper strakes.  I think that now the fast build
>>kits from the factory come with the fuselage halves already joined, so the
>>order would be upper fuselage, lower strake, upper strake. But I saw on
>>somebody's website where they put the lower and upper strakes together
>>before they attached the upper fuselage. Does the order make much
>>difference? Can somebody make a case for one method over another?
>>
>>Doug Holub
>>Top-door, FG w/ electric nose lift, 50% done, 80% to go
>
>
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>>Check new archives: www.tvbf.org/pipermail
>>Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
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>
>
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> End of Reflector Digest, Vol 33, Issue 27
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