#31
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Quote:
A new display model of the Multi Rock has not been made yet so the one seen was the original display model from when it was introduced back in the day. Quote:
I may be playing but my playing is based in fact not dreams. John Boren |
#32
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I would be SO happy for a high-thrust D booster.
Like the trial-manufactured D38. A high-thrust E or F would be nice too. The F15-0 is kind of flabby.
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NAR #27085 - Oregon Rocketry - SAM |
#33
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A D38 booster would be great.
Would capably boost a substantially massive rocket.
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When in doubt, WHACK the GAS and DITCH the brake !!! Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't ! Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY. ALL systems are GO for MAYHEM, CHAOS, and HAVOC ! |
#34
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I would guess -- barring an Estes entrance into the composite field -- that a high-thrust black powder motor in the D thru F range is what we'll be seeing. Probably something in the lower end of that scale, say D or E.
A good E60 that doesn't explode (a la the old FSI E60's) would be nice. Earl
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Earl L. Cagle, Jr. NAR# 29523 TRA# 962 SAM# 73 Owner/Producer Point 39 Productions Rocket-Brained Since 1970 |
#35
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Would be glad to see any hi-thrust port-burning B through E BP SU motor.
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When in doubt, WHACK the GAS and DITCH the brake !!! Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't ! Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY. ALL systems are GO for MAYHEM, CHAOS, and HAVOC ! |
#36
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Any talk of improving the BP starters?
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Paul If we weren't all crazy, we would go insane - Jimmy Buffett NAR #87246 www.wooshrocketry.org |
#37
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I doubt it. Regulation is too crazy. But, you can enhance them. The clear coating on them is water-soluble. I soak them for about 30 minutes, and the coating turns to a goo that wipes off easily. I then mix FFFg BP with NC lacquer, dip them, and hang to dry. These work great! No BP? Just dipping in NC lacquer works well. I bought my NC lacquer from Firefox, but you can make your own by dissolving ping pong balls in acetone. I bought the “better” ping pong balls at Walmart, but the cheap ones are probably fine. The commercially available NC lacquer is about $16 a quart, which for me is more than a lifetime supply. If you love to tinker, try the homemade stuff. Firefox ignition supplies, including pyrogen kits: http://www.firefox-fx.com/ignition.htm Finally, ematches fit in nozzle of 24mm and 29mm engines and are excellent igniters for BP. I’ve not tried them on 18mm but that recent launch of 5000 rockets used ematches under each motor. They do throw a flame, so apparently they are very good for 18mm engines, too.
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Lee Reep NAR 55948 Projects: Semroc Saturn 1B, Ken Foss Designs Mini Satellite Interceptor In the Paint Shop: Nothing! Too cold! Launch-Ready: Farside-X, Maxi Honest John, Super Scamp Last edited by LeeR : 08-12-2019 at 04:40 PM. |
#38
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Fingernail polish is nitro cellulose lacquer and you can even pick colors to match your rockets. Just don't let your wife catch you. If you just want to try a few, that might be the way to go.
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I love sanding. |
#39
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Could you recommend a specific e-match,please? |
#40
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Aren't E-matches BATFE regulated now requiring a LEUP ?
A really effective igniter can be made by stuffing a 1" piece of cannon/visco fuse in the engine nozzle. Wrap the base of the fuse with a 2" piece of bare nichrome to ignite the fuse electrically. Fuse does not even have to touch the grain. Sparks from the end shooting upward WILL ignite BP propellant. Back in the 80s and 90s I used to ignite Composite Dynamics AP E and F engines the same way. I vividly remember a launch in around 1990 where I gave a Composite Dynamics E to a buddy to launch his Maxi Alpha 3. Ripped the fins KLEEN OFF !
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When in doubt, WHACK the GAS and DITCH the brake !!! Yes, there is such a thing as NORMAL, if you have to ask what is "NORMAL" , you probably aren't ! Failure may not be an OPTION, but it is ALWAYS a POSSIBILITY. ALL systems are GO for MAYHEM, CHAOS, and HAVOC ! |
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