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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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  #3  
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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  #5  
Old 09-25-2017, 07:00 PM
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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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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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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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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, 01:58 PM
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Quote:
Originally Posted by Chas Russell
"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


It might be. He told me when the Estes SLV came out that it was a SPEV. The SLV uses 5 BNC-50Js....and I gather they're getting completely away from balsa nose cones.

It's funny that whenever it comes up in conversation, Bill Simon, the designer of the original SPEV, he claims he wishes everyone would forget that one....

There is also the recent packaging change to some of the Estes line that changed "skill level" to just "level" and basically redefined everything up two levels, so that RTFs and E2X/ARF types had a level number. One obvious effect of that was to make the 1225 Alpha a "Level 3" model! As I understand it, this was done with little and pretty much after-the-fact input from the folks in Penrose who know a few things about model rockets....

That project was apparently not completed, so there is a mixture of the older skill level and newer "just level" packaging out there. When that web page was created, one might wonder which level system was on the mind of the page creator.
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  #10  
Old 09-26-2017, 04:45 PM
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I noticed that on the Alpha packaging and couldn't get my brain around it.
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