@contesting.com
Subject: Re: Topband: Using GE silicone as antenna sealant.
I agree completely!! RTV will outgas acetic acid for a VERY LONG TIME -
almost forever! You should try it in a high-vacuum chamber! Especially one
that includes an "ion pump" to achieve very high vacuums! RTV will "belch
.@contesting.com] On Behalf Of
wa3...@comcast.net
Sent: Saturday, March 16, 2013 12:40 PM
To: topband@contesting.com
Subject: Topband: Using GE silicone as antenna sealant.
Gents.. be very sure that if you pick GE silicone sealant.. (RTV or whatever
you call it) DO NOT use the kind that has ace
ntesting.com
Subject: Topband: Using GE silicone as antenna sealant.
Gents.. be very sure that if you pick GE silicone sealant.. (RTV or whatever
you call it) DO NOT use the kind that has acetic acid in it.. Back in the early
days of NASA rocket launches off Wallops Island NASA lost a rocket they
Use the "sensor safe" variant to avoid that problem.
Cecil
K5DL
Sent from my iPad
On Mar 16, 2013, at 11:39 AM, wa3...@comcast.net wrote:
>
>
> Gents.. be very sure that if you pick GE silicone sealant.. (RTV or whatever
> you call it) DO NOT use the kind that has acetic acid in it.. Back in
coating or anything on the K9AY
relay/transformer/termination board.
Tim N3QE
-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Don Kirk
Sent: Monday, March 18, 2013 8:17 AM
To: wa3...@comcast.net
Cc: topband@contesting.com
Subject: Re: Topband: Using GE
WA3MEJ said :
be very sure that if you pick GE silicone sealant.. (RTV or whatever you
> call it) DO NOT use the kind that has acetic acid in it.
>
This is a very good point, and this is the reason I use GE Silicone Sealant
II versus GE Silicone Sealant I. GE Silicone Sealant II is a "neutral cu
On 2013-03-16, at 12:39 PM, wa3...@comcast.net wrote:
>
>
> Gents.. be very sure that if you pick GE silicone sealant.. (RTV or whatever
> you call it) DO NOT use the kind that has acetic acid in it.. Back in the
> early days of NASA rocket launches off Wallops Island NASA lost a rocket they
Gents.. be very sure that if you pick GE silicone sealant.. (RTV or whatever
you call it) DO NOT use the kind that has acetic acid in it.. Back in the early
days of NASA rocket launches off Wallops Island NASA lost a rocket they
launched. It failed because they had used RTV that had acetic ac
