[roc-chat] Re: 4" Goblin on K2045
- From: Leslie Stephens <ahansom@xxxxxxx>
- To: roc-chat@xxxxxxxxxxxxx
- Date: Sun, 1 Apr 2012 18:32:43 -0700
I remember a drag race at ROC with 4" goblins on K-1999'z after seeing that i
believe a K2045 should be ok
Andy H
On Apr 1, 2012, at 6:16 PM, Steve Trammell wrote:
> Forgot about grain collapse. Looks like some more research is in order. It
> is rocket science after all :-)
>
> Thanks all,
>
>
> On Sun, Apr 1, 2012 at 5:44 PM, Gene Engelgau wrote:
>
> At 92 g's You could collapse the propellant grains and make a big boom!
> Fiber glassing the fins will not help in that case.
> --
> - Regards
>
> Gene Engelgau
> KI6IBL, NAR 86770 / TRA 12243 - L3
> http://fruitychutes.com - Consumer and Aerospace Recovery Solutions
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> 408-499-9050
>
>
> On Sun, Apr 1, 2012 at 5:21 PM, JACK GARIBALDI < JackGaribaldi@xxxxxxx> wrote:
> Maybe glass the fins and I think it will work
> Jack
>
> Sent from my Mil Spec IPhone 4S
>
> On Apr 1, 2012, at 5:11 PM, "Steve Trammell" < stramm8235@xxxxxxxxxxx> wrote:
>
> I'm thinking of flying a 4" Goblin (stock build + fin fillets) on a CTI
> K2045. I've flown this rocket on a number of K motors including 2 successful
> K1100 flights. The K1100 flights pulled 40g's and reached 1,000 MPH. A
> K2045 flight sims to 92g's and 1100+ MPH. Any thoughts?
>
>
>
> Also, does CTI V-Max propellant use standard delay charges or are electronics
> needed like AT Warp9 propellant?
>
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