Re: Some Help with Ejection Charge Size...

Some Pictures for those of you who will not be at LDRS.
http://www.contrailrockets.com/Pictures/Pyramid%20001.jpg
http://www.contrailrockets.com/Pictures/Pyramid%20002.jpg

The nose of it is to the Left. Kind of hidden behind the chop saw.
Tom



Mark Dunn wrote:
500lb?? This I gotta see.
"Contrail Rockets" <Info@xxxxxxxxxxxxxxxxxxx> wrote in message
news:1150970693.018161.311900@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
CO2 Isn't an option. There is a big gaping seam between the top
portion and the base of the project. Its a big square pyramid, thats 3
Foot x 3 Foot.

Sure I would love to use CO2 on some projects but this isn't the one
for it. I need a very fast release of gasses to move the parachute
like a cannon ball and get the nose out of the way.

Expected Altitude is only 1000 Feet... Weight is 500 Pounds w/ Motor.
It is 8 feet wide at the bottem, and 12 feet tall. Words do not do it
justice.

I would rather have more powder than is needed. The "Frank Kosdon"
Motto if you will ;)

Thats where Ben got it from right?
Tom


Chris Eilbeck wrote:
"Contrail Rockets" <Info@xxxxxxxxxxxxxxxxxxx> writes:

a 35mm Film Canister is maybe 25 Grams? 50 Grams?

About 30 grams.

I hear in the UK you call a film canister a Jarvis?

Indeed. Comes from Primary Koncern back in 2000.

We are going to ground test something similar with about 6 gallon of
water in about an hour.

There's every chance it'll work but it'll probably scorch the hell out
of your laundry and your airframe.

I am having nightmares of having to stick an E-match into a can of
Go-ex to get this thing to deploy...

CO2 d00d, CO2!

Chris
--
Chris Eilbeck
MARS Flight Crew http://www.mars.org.uk/
UKRA #1108 Level 2 UYB
Tripoli UK Member #9527 LSMR


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