#21
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Quote:
I'm ASHamed I started this.....
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-Fred Shecter NAR 20117 (L2) Southern California Rocket Association, NAR Section 430 |
#22
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Ugh...groan....
There are WAY too many bad puns in this thread. FSI always reccommended ridiculously large motors for all their kits. There is no such thing as a model rocket that should fly on anything from an A to F motor. with hope of a recoverable F flight or a decent A flight. Fly this one on an over-rated FSI E5-6 (most were under 20n-sec and not even a full-D) and kiss it goodbye. a real E such as an Aerotech E15 would send it into orbit.
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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 ! |
#23
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Quote:
Doug |
#24
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Big Rockets require Big Motors
Just finished building "interchangeable" fins for my 51" rocket about a month ago. Not happy when it got stuck on the pad using 3- "C's." In about week I'll be recieving my "E30-4." We'll see if it goes into orbit.
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#25
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Using only 3 C's on any 51" rocket is asking for trouble if it is anything over a BT-60 (just big enough for a 3x18mm cluster) in diameter. Anything this big is begging for at LEAST a full 40n-sec E if not an F.
3 Estes C6's don't even add up to 30 n-sec of total impulse.
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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 ! |
#26
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Clusters
Hi: "Thrust vs Newtons vs wt," r all guides. The first 3 times I launched it, went up without a hitch! The problems arise when only 2 engines ignite or, as in this case, launch rod was dirty. Now I know not to rely on range officer, to clean rods b 4 each launch.
Thanks 4 the concern. |
#27
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This week has been good - custom parts made by the Sandman arrived a few days ago, and now these:
They are absolutely first rate, with very nice decals!!
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Up next: Under construction: Under repair: In finishing: Centuri Sabre clone In primer: In paint: Ready for decals: Bill Cooke NAR #31312 TRA #19705 SAM #0001 Huntsville, AL My rocket blog My rocket fleet |
#28
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Mine were waiting for me when I came home from the skating rink. It made an otherwise bleak day a lot more tolerable. The only thing that kept me from making serious progress on one was a lack of the correct shade of green for the cone and tube fins. (That's a problem I'll rectify tomorrow.) I'm pretty sure I'll have one ready to fly for the next Quark launch weekend on the 23rd and 24th.
Now I can't wait to see what this month brings.
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Bill Eichelberger NAR 79563 http://wallyum.blogspot.com/ I miss being SAM 0058 Build floor: Centuri Design Contest F-150 Hurricane Estes - Low Boom SST Semroc - Gee'Hod, Shrike, SST Shuttle In paint: Canaroc Starfighter Scorpion Estes F-22 Air Superiority Fighter, Solar Sailer II Semroc Cyber III Ready to fly: Estes - Multi-Roc, Solar Sailer II Semroc - Earmark, Snake Jumper |
#29
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Quote:
Is that what the Viking I's decals really looked like? I always thought that those illustrations from the 1971 FSI catalog were more "artistic" than "documentary." Mark
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Mark S. Kulka NAR #86134 L1,_ASTRE #471_Adirondack Mountains, NY
Opinions Unfettered by Logic • Advice Unsullied by Erudition • Rocketry Without Pity
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#30
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Quote:
Mine came in the mail today, too. The "VIKING" part of the decal seems a bit large for the BT, but that's not really a complaint. The parts are first rate - I think I'm going to have to bump this up to the front of the build list . S. |
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