[roc-chat] Re: BP for Deployment of Main Question
- From: Allen H Farrington <allen.farrington@xxxxxx>
- To: roc-chat@xxxxxxxxxxxxx
- Date: Thu, 08 Dec 2011 11:05:43 -0800
It is generally accepted to wire e-matches in series. This is due to the plasma
physics that occur at ignition of the first match. I believe that there's a
more detailed explanation in the ROC Chat archives.
Allen
On Dec 8, 2011, at 10:09 AM, Richard Dierking wrote:
> Say your main deployment section is 7.5" diameter, 24" long and using three
> (3) 2-56 nylon shear pins. How much BP?
>
> Also, what's the advantage of using two or more deployment canisters instead
> of just one? For multiple canisters, would you wire in series or parallel?
> (One 9 volt battery and Perfectflite WD altimeter with main deployment at
> 1100'.)
>
> Richard Dierking
> BTW: Kurt, we're not intending to turn the nose into a second stage :-)
>
>
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