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  #1  
Old 09-25-2017, 02:28 PM
Chas Russell's Avatar
Chas Russell Chas Russell is offline
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Default Coming Estes Kits

https://www.estesrockets.com/coming-soon/

Three new kits on the website. The Astron Explorer is Skill Level 4 and appears to be a ducted ejection like the Trident based on the BT-55.

Super Big Bertha re-released for 29mm BP motors with laminated fins.

Could be interesting.

Chas
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Old 09-25-2017, 04:18 PM
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I don't see slots in the Super Big Bertha toobs. Cut your own?
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Old 09-25-2017, 04:42 PM
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Quote:
Originally Posted by Newbomb Turk
I don't see slots in the Super Big Bertha toobs. Cut your own?
I suppose you'd have to. There are clearly tabs on the fins (in the pic of the parts layout).

Doug

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Old 09-25-2017, 05:22 PM
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To be clear, I 'm buying anyway...
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Old 09-25-2017, 07:00 PM
Les Les is offline
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sigh.... more stuff to buy
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  #6  
Old 09-25-2017, 07:16 PM
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BEC BEC is offline
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Gee, we ought to ask John (JumpJet) about those fin tabs. I would have expected the production kits to have the slots cut. The “bag of parts” that I got from him at NSL required me to cut the slots but I thought he told me that they’d be cut in the released kit....
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  #7  
Old 09-25-2017, 08:44 PM
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neil_w neil_w is offline
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Quote:
Originally Posted by Chas Russell
Three new kits on the website. The Astron Explorer is Skill Level 4 and appears to be a ducted ejection like the Trident based on the BT-55.


The website actually says that one is skill level 3, which is a bit surprising if you have to cut the ducts yourself (it appears as if you do indeed).

It's an interesting looking kit, especially with the nose cone in the middle of the main BT.
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Old 09-26-2017, 01:42 AM
Initiator001 Initiator001 is offline
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Quote:
Originally Posted by Newbomb Turk
I don't see slots in the Super Big Bertha toobs. Cut your own?


Yup.

I contacted Estes about that question.

The response was, "...We planned to have slots cut in the tubes but it's a long story..."

A cutting guide is included and the kit will come in a box.
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  #9  
Old 09-26-2017, 10:12 AM
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Chas Russell Chas Russell is offline
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"The website actually says that one is skill level 3, which is a bit surprising if you have to cut the ducts yourself (it appears as if you do indeed)."

True, but it says "4" twice in the kit description. I was surprised that it includes a baffle and alignment fixture (like the SEMROC Trident kit). John Boren is really bringing it. He designs using the currently available Estes parts, but my first thought was "SPEV?"

Chas
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Old 09-26-2017, 01:55 PM
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Quote:
Originally Posted by Initiator001
Yup.

I contacted Estes about that question.

The response was, "...We planned to have slots cut in the tubes but it's a long story..."

A cutting guide is included and the kit will come in a box.


Ah..... another one of those. I managed to cut the slots pretty easily using the paper guide that John included in the parts bag at NSL, so it certainly isn't a deal-breaker.

I've flown the one I have in primer twice, both on E16-6s. It gets to not quite 600 feet that way.
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