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  #151  
Old 06-07-2019, 04:17 PM
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JumpJet JumpJet is offline
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An 18mm motor retainer will be available very soon. It is shown in this years catalog.


John Boren
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  #152  
Old 06-07-2019, 05:54 PM
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Quote:
Originally Posted by BARGeezer
The fin unit and the upper half are now available as replacement parts on the Estes website. The clear PFU is tailored to attach behind a 2" tube, so scratchers can use this to make "finless" models like a 2" (fill in the blank): Gemini Titan, Mercury Atlas ( with the plastic Mercury capsule set now also available), Polaris, Poseidon, MX missile, etc. etc.
Use four short dowel pins to secure the PFU along with an aluminum 18mm retainer, or make your own.
BTW does anybody else think that it would be great if Estes sold that plastic 18mm retainer used in this kit separately? I would buy a bunch of those. Laters.
I hope our resident Estesean D-503 (the Chief Designer, "Builder of the Integral" [spaceship], as he was called in Zamyatin's novel "We"--Tom Wolfe compared Sergei Korolev with D-503 in his book "The Right Stuff") noted the scale model subjects you listed above. Estes did once offer a Peacekeeper (MX) ICBM scale model, and I'd love to see--and buy!--scale kits of the other vehicles you listed (a Mercury-Atlas would also facilitate the creation of later Atlas D ICBM, Atlas-Able, Atlas-Agena B [and Atlas-Agena D], Atlas-Burner II, and Atlas-Centaur scale kits [possibly with same-scale models of historic spacecraft that they lofted]).
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  #153  
Old 06-16-2019, 07:18 AM
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I've flown on C6-3, C12-4, D16-4. All stable flights, though the C6-3 did arc over quite a bit before deploying. It flies pretty squirrelly without the clear fin unit
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  #154  
Old 06-16-2019, 11:15 AM
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We had three of these at yesterday's club launch. One flew on a C6-3 and it was a very nice straight flight. The second flew on an Aerotech D10-3. It got going in a hurry but appeared to tip off a bit. One of the fins was missing upon recovering it. Mine flew on a Q-Jet C12-4 and it was a nominal flight in all respects.
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  #155  
Old 06-16-2019, 12:10 PM
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Add nose weight and fly without the stoopyd looking clear fins.
Use 18mm AEROTECH (not Quest) D10/13/21/24.
Against my better judgement, I bought one of these plastic things.
I intend to only fly on the D21 or D24.
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  #156  
Old 06-16-2019, 06:06 PM
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Well at least with that kind of power you can afford the nose weight that will be needed to make it stable.
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  #157  
Old 06-19-2019, 10:47 PM
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I just got a chance to review some of Jim Wilkerson's pictures taken at last Saturday's launch. I don't think the S-V that we though shed a fin on boost on a D10 did so after all. The "on the 'chute" shot shows all four fins.
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  #158  
Old 06-20-2019, 06:46 PM
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It looks like Estes has updated the 2160 Saturn V instructions on their website:

https://estesrockets.com/wp-content...60_SATURN-V.pdf

This takes into account getting the motor seated properly in the model.
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