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Sunward Eruption engine mount question
I'm working on the canted, (4) engine cluster mount of a Sunward Eruption. The instructions are rather vague as to attaching the upper mounting plate and there's not a good illustration for it in the instructions. Has anyone built this monster--and better yet do you have a photo of the completed (4) engine mount?
Thanks!
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Never trust an atom. They make up everything. 4 out of 3 people struggle with math. Chemically, alcohol IS a solution. NAR# 94042 SAM# 0078 |
#2
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-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Dale Marshall, San Antonio Texas NAR #90990 Semroc SAM #083 BAR Since 2008 Enjoying model rocketry since 1977. The Spotted Dragon -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- |
#3
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PERFECT! Thanks!
What diabolical Canadian sadist thought of this anyway?
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Never trust an atom. They make up everything. 4 out of 3 people struggle with math. Chemically, alcohol IS a solution. NAR# 94042 SAM# 0078 |
#4
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That is one FUGLY rocket with a ridiculous motor arrangement to boot.
Obviously some KOOK/BOZO/NITWIT came up with this.... That thing would probably spin enough to NOT REQUIRE those ridiculously ugly giant fins....
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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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Despite the vague instructions I believe I nailed it! I don't like it---it looks like there's a LOT that can go wrong when it's launched.
Thanks again for the help! VR, Jeff
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Never trust an atom. They make up everything. 4 out of 3 people struggle with math. Chemically, alcohol IS a solution. NAR# 94042 SAM# 0078 |
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Quote:
That does look really nice. I've built a few canted-motor mounts and they are quite fun to launch, but you're right, a lot can go wrong. Be careful when hooking up the engines, if one doesn't light you're in for an ...interesting... flight that GH would probably love to see! Your best bet is probably a multi-clip leader (can't remember what it's called) to the igniters, and you can't use the Estes igniters. I use the Quest igniters when I launch mine. - Dale
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-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Dale Marshall, San Antonio Texas NAR #90990 Semroc SAM #083 BAR Since 2008 Enjoying model rocketry since 1977. The Spotted Dragon -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- |
#7
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Quote:
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Paul If we weren't all crazy, we would go insane - Jimmy Buffett NAR #87246 www.wooshrocketry.org |
#8
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And grabbed up domains.
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I love sanding. |
#9
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The Sunward Eruption and Screamer uses arch cuts in the airframe for mounting the canted engine tubes. Fliskits Deuces Wild and Tres on the other hand uses a more refined scalloped cut. More precise fit, less gaps to fill in with putty or adhesive.
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I like the unusual, the off beat, the avant-garde. No 3/4 FNC for me! |
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That's what I was thinking. Looks like he got the rocket halfway designed and gave up.
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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 |
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