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  #21  
Old 03-03-2022, 02:51 PM
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tbzep tbzep is offline
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BTW, knowing Centuri's propensity to leave their kits' paint/decal schemes so open ended and different from catalog pics, I wouldn't be surprised if the plans gave you the option of 3 or 4 per stage.
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  #22  
Old 03-03-2022, 02:52 PM
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A Fish Named Wallyum A Fish Named Wallyum is offline
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Quote:
Originally Posted by tbzep
Looks like 3 (9) to me. I'm going by the spacing between the fins on the BT.

And because you said 4.

And I mathed it wrong.
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  #23  
Old 03-03-2022, 02:53 PM
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Quote:
Originally Posted by BigRIJoe
Was the T-Bird the successor to the Aero-Dyne?


Yes. See post 3. T-Bird was released in 1965.

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  #24  
Old 03-03-2022, 02:57 PM
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Quote:
Originally Posted by astronwolf
The picture of the Aero-Dyne in the 1964 catalog looks like there is one of those external "passport" staging couplers on at least the top of the second stage. Looking at instructions for the Micro-Probe and Arrow 300, the standard construction for a booster seems to be:
1. An airframe tube,
2. An engine block glue to the airframe so the nozzle end of the engine is flush with the end of the airframe,
3. Topped off with the staging coupler.
If the Aero-Dyne had the same construction as other Centuri staged model rockets (witht eh exception of the Black Widow) this arrangement suggests a booster length of 3-inches.

Interesting project.


Back then, the external coupler did not have the vent holes per the "Passport" coupler (covered in Post 14 above). Centuri intro'd that aspect of the coupler around 70-71. So for the Aero-Dyne, it would be a 'solid' sleeve coupler with no vent holes, if one were being totally true to the original, which may or may not be important.

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  #25  
Old 03-03-2022, 03:51 PM
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Quote:
Originally Posted by Earl
Back then, the external coupler did not have the vent holes per the "Passport" coupler (covered in Post 14 above). Centuri intro'd that aspect of the coupler around 70-71. So for the Aero-Dyne, it would be a 'solid' sleeve coupler with no vent holes, if one were being totally true to the original, which may or may not be important.
*And* how much of a purist one is.
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  #26  
Old 03-03-2022, 04:47 PM
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Quote:
Originally Posted by Tau Zero
*And* how much of a purist one is.


Well, there is *that*! But, I don’t believe I’d know a single solitary thing about that....


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  #27  
Old 03-04-2022, 06:37 AM
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Quote:
Originally Posted by A Fish Named Wallyum
So, three fin or four?

Three on each stage, because it looks that way to me.
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