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- Newsgroups: rec.models.rockets
- Path: sparky!uunet!walter!att!cbfsb!cbnewsb.cb.att.com!hrbob
- From: hrbob@cbnewsb.cb.att.com (robert.e.wiersbe)
- Subject: Re: HPR Attitudes Towards Model Rocketry
- Message-ID: <1992Jul27.162511.11016@cbfsb.cb.att.com>
- Sender: news@cbfsb.cb.att.com
- Organization: AT&T
- References: <1992Jul23.212416.8393@axis.dsg.ti.com>
- Date: Mon, 27 Jul 1992 16:25:11 GMT
- Lines: 27
-
- In article <1992Jul23.212416.8393@axis.dsg.ti.com> barrett@add.itg.ti.com writes:
- <good stuff deleted>
- >
- >
- > - The Aerotech MMTs are really poor. After a few flights, they tend
- >to burn up! I use Phenalic(sp?) MMT on all my rockets now.
- >
- > - The baffle system needs to be inspected before EVERY launch. It
- >tends to get clogged up and will eventually cause the ejection to vent
- >side ways through the side of the rocket (which then becomes a lawn
- >dart!). Take a 1/4 wooden dowel and drill a hole in the end and epoxy a
- >1" pin or small nail to the end. Poke holes in the wire mesh to keep it
- >porous. You will have to replace the wire mesh with a "chore boy" after
- >6-10 launces. Unfortunately the old mesh tends to weld itself to the
- >plastic piece at the top so this is a pain. You really can't use
- >wadding because the shock cord is attached to the forward bulkhead
- >(unless you move the attachment point ala LOC).
- >
- >Stu Barrett TRA# 1277 NAR# 4341
- >--
-
- I've got an Aerotech Mustang that's flown over 15 times, and the only repair
- I had to do was glue a fin back on after the 8th flight. I built it per the
- instructions, with no modifications, using epoxy. It's one of my favorites,
- though I'm convinced it'll fail next time because I mentioned it....
-
- Bob Wiersbe NAR# 44588 hrbob@ihlpb.att.com
-