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  #21  
Old 09-29-2017, 10:48 AM
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JumpJet JumpJet is offline
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Unless it's a scale kit or a bring back that uses a special length tube just about every design I've done for Estes uses Excess Parts or standard 18" long tubes. The name of the rocket can even reflect this such as EPM, (Excess Parts Model) followed by a number that may be the year it cam out. STM ( Slotted Tube Model ). Many time we pick a working name for the model while its going through the design and manufacturing process to have something to reference. Some times this temporary name becomes the final name.


John Boren
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  #22  
Old 09-29-2017, 02:59 PM
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Ah - one more insight into the naming conundrum. Bill Simon echoes the sentiments that you’ve expressed more than once that naming the durn things is sometimes harder than designing them.
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  #24  
Old 09-29-2017, 07:19 PM
Woody's Workshop Woody's Workshop is offline
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2 things.
It's good see more old kits coming back, and...
It's good to see Estes doing a work around for the lack of plywood fins on Pro II builder kits.
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  #25  
Old 09-29-2017, 07:38 PM
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Jerry Irvine Jerry Irvine is offline
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Quote:
Originally Posted by blackshire
I wasn’t aware of that slight BT-60 length difference.
Estes is long on tube length variances over the years. They have a surprising number of diameters, some of which make sense (Centuri ST-13 Astrocam) and some of which do not (BT-52/56).

Jerry
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  #26  
Old 09-29-2017, 07:38 PM
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Jerry Irvine Jerry Irvine is offline
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Quote:
Originally Posted by Shreadvector
Bring back The DUDE !!!!
No!!! Dude ++ 29mm. Estes' first drop stage recommended kit. E16-0 E16-4. Tape dowels to two sides of the "bubble". Eject the upper motor too.

While on this topic why don't they have a 29mm Blender kit? Why pay less for power?

Jerry

http://v-serv.com/usr/kits/sonic160.htm
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U.S. Rockets instaship. http://bit.ly/1aca7mA Please buy some rockets.
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Last edited by Jerry Irvine : 09-29-2017 at 07:54 PM.
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  #27  
Old 09-30-2017, 08:52 AM
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blackshire blackshire is offline
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Quote:
Originally Posted by Shreadvector
Bring back The DUDE !!!!
It would offer interesting possibilities, which would also make it a good educational rocket. For example:

By inflating it with helium instead of air so that it would be lighter (I don't think it could be made neutrally buoyant due to the weight of its fins and motor mount [the inflatable hull envelope by itself might be light enough to become so, though]), one might achieve long flight durations even with its lowest-impulse recommended motors, or:

By inflating it with a gas that's heavier than air (xenon would be interesting, but very expensive; carbon dioxide or carbon tetrachloride [CCl4 is only dangerous in large quantities, or in the presence of hot copper or brass] would be good alternatives), it should coast higher because it would then have a greater mass/frontal area ratio.
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  #28  
Old 09-30-2017, 01:20 PM
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It is my understanding that the Dude was a Dud when it came to sales so you won't be seeing that model come back.



John Boren
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  #29  
Old 09-30-2017, 01:37 PM
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Quote:
Originally Posted by JumpJet
It is my understanding that the Dude was a Dud when it came to sales so you won't be seeing that model come back.



John Boren
That's not one I'll greatly miss... :-)
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  #30  
Old 09-30-2017, 05:56 PM
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Gus Gus is offline
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Quote:
Originally Posted by JumpJet
It is my understanding that the Dude was a Dud when it came to sales so you won't be seeing that model come back.



John Boren

Believe it or not, John, I once saw the Dude flown in competition. It flew in E-SuperRoc at NARAM 49. :0
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