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RDC V-Max
Steve's post of the plans and scans for the Bo-Mar Alpha B yesterday got me fired up. I went home yesterday and started going through the piles of projects that had been laying dormant for most of the spring and summer. Last year I bought an ebay lot of nose cones, mainly because one of the cones looked like the cone for the RDC Cardinal/V-Max. It had been sharpened to a point, but whatever. It doesn't quite fit any of the tube stock I have on hand, but I do have a scrap of some mystery tube that fits it like a glove. Golf season has (finally) ended, so I'm going to try to make it to a build session at eRockets next Tuesday, both to get some rocket building done among like-minded people, as well as to potentially track down a proper tube to finish the V-Max.
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Bill Eichelberger NAR 79563 http://wallyum.blogspot.com/ I miss being SAM 0058 Build floor: Estes - Low Boom SST Semroc - Marauder, Shrike, SST Shuttle In paint: Canaroc - Starfighter Scorpion Centuri - Mini Dactyl Estes - F-22 Air Superiority Fighter, Multi-Roc, Solar Sailer II, Xarconian Cruiser Semroc - Cyber III Ready to fly: Estes - Solar Sailer II Semroc - Earmark |
#2
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Interesting two stager.
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I love sanding. |
#3
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I like the looks of the Feather, but the angle isn't good for my method.
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Bill Eichelberger NAR 79563 http://wallyum.blogspot.com/ I miss being SAM 0058 Build floor: Estes - Low Boom SST Semroc - Marauder, Shrike, SST Shuttle In paint: Canaroc - Starfighter Scorpion Centuri - Mini Dactyl Estes - F-22 Air Superiority Fighter, Multi-Roc, Solar Sailer II, Xarconian Cruiser Semroc - Cyber III Ready to fly: Estes - Solar Sailer II Semroc - Earmark |
#4
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Quote:
It looks like Semroc/Centuri ST-7 tubing will be the closest match for the equivalent RDC tubing. I looked at a 1968 RDC Catalog on ninfinger and found that the RDC tube for that nose cone had an I.D. of .710" and an O.D. of .750". This makes for a wall thickness 0.020". In other words, think of a Cetnuri ST-7 tube wound around a BT-20 mandrel instead of the correct mandrel for a ST-7.
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'Til next time, Mike Toelle NAR 31692 L1 SAM 0373 |
#5
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Turns out my mystery nose cone fit perfectly in a BT-30 tube. Color me happy.
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Bill Eichelberger NAR 79563 http://wallyum.blogspot.com/ I miss being SAM 0058 Build floor: Estes - Low Boom SST Semroc - Marauder, Shrike, SST Shuttle In paint: Canaroc - Starfighter Scorpion Centuri - Mini Dactyl Estes - F-22 Air Superiority Fighter, Multi-Roc, Solar Sailer II, Xarconian Cruiser Semroc - Cyber III Ready to fly: Estes - Solar Sailer II Semroc - Earmark |
#6
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Quote:
When does the Jarts game start? Don't forget to plug the booster motor! Beginners play with A8-0 Intermediate B6-0 Advanced C6-0
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I love sanding. |
#7
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Quote:
Even better, A8-5, B6-6, C6-7. That way it's going to be tipped over at the target when the ejection charge fires. I just have to glue the nose cone in place.
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Bill Eichelberger NAR 79563 http://wallyum.blogspot.com/ I miss being SAM 0058 Build floor: Estes - Low Boom SST Semroc - Marauder, Shrike, SST Shuttle In paint: Canaroc - Starfighter Scorpion Centuri - Mini Dactyl Estes - F-22 Air Superiority Fighter, Multi-Roc, Solar Sailer II, Xarconian Cruiser Semroc - Cyber III Ready to fly: Estes - Solar Sailer II Semroc - Earmark |
#8
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I could really get "on board" with this "Rocket Jarts" game.
If we could get 1/2A6-0 or 1/2A3-0T motors again it would be a bit easier to "dial in"
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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, TURMOIL, FIASCOS, and HAVOC ! |
#9
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Quote:
Easy to manufacture at my motor mod facility.
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I love sanding. |
#10
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Quote:
Them's for puskies, chump! Go big or go home!
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Bill Eichelberger NAR 79563 http://wallyum.blogspot.com/ I miss being SAM 0058 Build floor: Estes - Low Boom SST Semroc - Marauder, Shrike, SST Shuttle In paint: Canaroc - Starfighter Scorpion Centuri - Mini Dactyl Estes - F-22 Air Superiority Fighter, Multi-Roc, Solar Sailer II, Xarconian Cruiser Semroc - Cyber III Ready to fly: Estes - Solar Sailer II Semroc - Earmark |
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