[roc-chat] Re: Estes Saturn V
- From: David Erbas-White <derbas@xxxxxxxxxxxxxxxx>
- To: roc-chat@xxxxxxxxxxxxx
- Date: Wed, 01 Jun 2011 21:40:20 -0700
On 6/1/2011 9:31 PM, Richard Dierking wrote:
Richard,
If you made the whip-clip yourself the following is probably not an
issue. However, I bought a whip clip from someone at a launch some
years ago, and the clips were 'marked' with colored heat-shrink.
Unfortunately they were not marked correctly, and since I had tied some
of the igniters together in parallel, what I had was a dead short across
some of the igniters. If you didn't make the clip yourself, I would
highly recommend ensuring that any 'color coding' is actually correct.
As you can guess, this configuration led to one out of three engines
igniting (first time in my life I had a cluster misfire), with
devastating results to the rocket.
David Erbas-White
I have a whip-clip arrangement that provides just a little bit
longer for ignition. I'll check continuity on each igniter after
installing. Other than that, just experience.
Richard
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