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  #1  
Old 07-25-2019, 07:29 PM
astronwolf astronwolf is offline
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Join Date: Mar 2013
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Default New kits at Estes

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  #2  
Old 07-25-2019, 09:23 PM
Vanel Vanel is offline
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Put the Double Ringer together tonight - takes about 45 minutes and you need scotch tape, plastic cement, and scissors. I used medium CA to glue the plastic fin unit into the body tube.

Very interesting looking bird - hope to fly it soon.
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  #3  
Old 07-26-2019, 07:54 PM
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Flash Flash is offline
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Nice to see the Phantom back!

Like the Two Stage Big Bertha to.
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  #4  
Old 07-26-2019, 08:08 PM
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Doug Sams Doug Sams is offline
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Location: Plano, TX resident since 1998.
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Quote:
Originally Posted by astronwolf
I have to wonder about this Boosted Bertha. The booster will surely come in ballistic - must be heck on the forward end of it.

I've seen this configuration several times over the years. Seems like 40% off coupons at Hobby Lobby and plentiful Baby Berthas led to many different bashes, some of which were stagers like this.

But I can't see that booster tumbling in, not unless weight is added to the fin tips.


Doug


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Last edited by Doug Sams : 07-26-2019 at 08:28 PM.
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  #5  
Old 07-26-2019, 11:04 PM
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JumpJet JumpJet is offline
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The booster on the Bertha does in fact Tumble.


John Boren
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  #6  
Old 07-27-2019, 10:51 AM
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LeeR LeeR is offline
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If you follow the Boosted Bertha link posted above, there is a link to “Download Instructions”. Besides having moderately larger booster fins, it has a screw-on motor retainer (as does the upper stage). With that added mass toward the aft end, it looks like it would tumble or possibly come in fairly flat to me.

Two features I really like — booster venting thru centering rings, out the aft end, and TTW booster fins. Looks to be a fun rocket.
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  #7  
Old 07-27-2019, 11:48 AM
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Shreadvector Shreadvector is offline
Launching since 1970.
 
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Location: Southern California
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Quote:
Originally Posted by LeeR
If you follow the Boosted Bertha link posted above, there is a link to “Download Instructions”. Besides having moderately larger booster fins, it has a screw-on motor retainer (as does the upper stage). With that added mass toward the aft end, it looks like it would tumble or possibly come in fairly flat to me.

Two features I really like — booster venting thru centering rings, out the aft end, and TTW booster fins. Looks to be a fun rocket.


This looks very cool.
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  #8  
Old 07-27-2019, 03:53 PM
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5x7 5x7 is offline
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The Double ringer gliders are rolled from card stock so lots of replacement decoration options are possible.
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  #9  
Old 07-27-2019, 11:39 PM
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Jerry Irvine Jerry Irvine is offline
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Location: Claremont, CA "The intellectual capitol of the world."-WSJ
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Quote:
Originally Posted by JumpJet
The booster on the Bertha does in fact Tumble.
John Boren
The fact you have to say it is amusing to me.

How about a 29mm bigger Polaris or Comet. 3"?
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  #10  
Old 07-28-2019, 02:35 PM
Scott_650 Scott_650 is offline
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A few things from the forum at NARAM last night - a new boost glider that appeared to have some Shrox-like characteristics, a single stage SAM 83(?) that looks like a companion to the Sasha, confirmation that the current BLACK POWDER 29mm motors are as big as they’re going to get BUT a very strong hint that more powerful PSII motors are coming, and that new PSII builder kits will be upscale versions of classic Estes/Centuri designs. Plus it sounded like B14s are coming back. Oh, and a little fly and forget mini rocket called the Luna Bug - think Mosquito with curved footpad equipped fins.
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