Steve,
I was using a 9 oz. rod that the previous owner supplied when I purchased
the airplane. Part of how I discovered the stripped blind nut was I am
replacing the original ballast system to the one I use on my other
sailplanes. When checking the CG I discovered the stripped nut.
Back years ago a flying buddy of mine showed me that Estes Rockets made a
spiral wound paper tube that fit 1/2 K S tubing perfectly. I, back then,
made my own 1/2 slugs by pouring lead into the K S tubes stood upright on
a 2 x 4. Still have those slugs and use them in all of my other gliders
which have the Estes tube in them.
For the Eraser I made an Estes tube 13 3/4 long and wrapped it with 1 oz,
fiberglass cloth. Made a brass tube collar for it to carry the cross pin
locking mechanism loads, the whole assembly weighs 3/8 of an ounce ready to
install. This will allow me to carry up to 15.5 ozs in roughly 5 oz steps.
This system uses 3/8 square balsa as spacers to keep the ballast centered
over the CG.
BTW, I now have a Helicoil kit to repair the stripped blind nut. It also
looks like the middle one is showing wear. So, I will be doing that before
I finish my new ballast installation.
Mark
- Original Message -
From: Steve Meyer [EMAIL PROTECTED]
To: Soaring@airage.com
Sent: Tuesday, May 10, 2005 7:04 PM
Subject: [RCSE] Extreme ballast
I was wondering what other Erasure Extreme owners did for ballast.
Anyone track down sources?
Steve Meyer
SOAR
LSF IV
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