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  #11  
Old 04-28-2014, 11:30 PM
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mwtoelle mwtoelle is offline
Flying since 1977
 
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Location: Middle TN
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The Estes 3171 Clear Payload Tubing set contains 3 each of the following:

PST-20J (2.75" long)
PST-50S (4" long)
PST-60R (5" long)

There are many old kits that used wither the PST-50S or the PST-60R, but only two that used the PST-20J (Apogee/Apogee II (K-5/1205) available from 1963-1981 and the Mini-Brute E2X X-Ray (0834) available from 1997-2004). Actually, the Estes tubes are a bit better than the Semroc tubes. I will post a picture of the difference between the two later.
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  #12  
Old 04-28-2014, 11:47 PM
stefanj stefanj is offline
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Has anyone come up with a "home" method of making embossed wraps and shrouds?

We can turn balsa cones, laser cut elaborate wood and plastic bits, and 3D print exotic shapes, but can't do affordable one-off embossing. Bummer!
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  #13  
Old 04-29-2014, 08:30 AM
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kurtschachner kurtschachner is offline
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Semroc still shows they have "Parts Sub-Assembly 67" available for the Shrike. Does anyone know if this includes the embossed wraps?
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  #14  
Old 04-29-2014, 12:18 PM
Brent Brent is offline
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The wraps were separate. I bought a set from them a while back when I found out they were shutting down operations and they were out of the Shrike. This what I purchased for the build.

2 AR-2050 Adapter Ring BT-20 to BT-50 (Pkg of 6) - $1.80
$3.60
1 BNC-50Y Balsa Nose Cone BT-50 4.4" Ogive - $3.85
$3.85
2 BT-20J Body Tube BT-20 2.75" Long - $0.60
$1.20
1 BT-50 Body Tube BT-50 18.0" Long - $1.95
$1.95
1 BT-50AH Body Tube BT-50 1.88" Long - $1.30
$1.30
1 CR-KV-37 Shrike Ring - $0.35
$0.35
1 EW-KV-37 Embossed Wraps - Shrike (Set of 3) - $2.50
$2.50
1 FV-37 Shrike Laser-Cut Fins (Set of 2) - $3.85
$3.85
1 PSA-67 Parts Sub-Assembly 67 Shrike - $5.10
$5.10
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  #15  
Old 04-29-2014, 04:18 PM
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RedMaxFlyer RedMaxFlyer is offline
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The still have the CR-KV-37, but I think I'll cut my own rather than make a $20 minimum order for a 35-cent part (the same with the sponge blocks, which I didn't notice they still had until now).

Brent, is the pack of 3 EW-KV-37 a set of the three wraps used on one Shrike, or three complete sets (i.e. enough for three Shrikes)? If the latter is the case, I would be willing to buy a set off of you if you're willing to sell. PM me if you're interested.

Also, does anyone know where to get an equivalent to the NB-50 24mm x 1" nose block used on the bottom of the payload section? I could just use a normal coupler, but my style of rocketry is very OCD-driven .
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  #16  
Old 04-29-2014, 06:30 PM
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Rich Holmes Rich Holmes is offline
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Quote:
Originally Posted by RedMaxFlyer

Also, does anyone know where to get an equivalent to the NB-50 24mm x 1" nose block used on the bottom of the payload section? I could just use a normal coupler, but my style of rocketry is very OCD-driven .

http://www.jonrocket.com/index.php?...products_id=344?
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  #17  
Old 04-29-2014, 07:17 PM
Brent Brent is offline
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Quote:
Originally Posted by RedMaxFlyer
The still have the CR-KV-37, but I think I'll cut my own rather than make a $20 minimum order for a 35-cent part (the same with the sponge blocks, which I didn't notice they still had until now).

Brent, is the pack of 3 EW-KV-37 a set of the three wraps used on one Shrike, or three complete sets (i.e. enough for three Shrikes)? If the latter is the case, I would be willing to buy a set off of you if you're willing to sell. PM me if you're interested.

Also, does anyone know where to get an equivalent to the NB-50 24mm x 1" nose block used on the bottom of the payload section? I could just use a normal coupler, but my style of rocketry is very OCD-driven .


The wraps are for one Shrike.
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  #18  
Old 04-29-2014, 07:18 PM
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RedMaxFlyer RedMaxFlyer is offline
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Thanks, Rich. Picked up a nose block (also ordered a Shrike ring and a set of foam discs from Semroc after I found that the Centaur was still in stock).
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  #19  
Old 05-01-2014, 07:19 AM
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Earl Earl is offline
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Here's a vintage Estes Shrike on ebay right now. Starting bid is $45. Looks to be a complete kit in decent shape.

http://www.ebay.com/itm/VINTAGE-EST...=item43c91dc82f


Earl
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Last edited by Earl : 05-01-2014 at 07:21 AM. Reason: Fixed a symbol.
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  #20  
Old 05-01-2014, 06:17 PM
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naoto naoto is offline
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Location: Monrovia, CA
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Quote:
Originally Posted by stefanj
Has anyone come up with a "home" method of making embossed wraps and shrouds?

We can turn balsa cones, laser cut elaborate wood and plastic bits, and 3D print exotic shapes, but can't do affordable one-off embossing. Bummer!

Hrm... performed a bit of "google-fu" to see if I can find some ideas (and briefly roamed into the crafty realms where womenfolk can be found and where menfolk tend to avoid). Probably not a very quick method, and probably a bit labor-intensive, but perhaps we could do something along the lines of:
* Create a "tool" -- basically a thin sheet metal plate w/ cutouts that correspond to raised areas on the final part.
* Place cardstock material over this "tool" and go over the paper with an embossing tool (basically a round-ended stylus) repeatedly to form the pattern -- basically using the tool to deform the paper and "pushing" it into the openings of the "tool".
* Alternatively we could probably lightly dampen the light cardstock (to make it more malleable), then back it with some sheet rubber or foam rubber, then apply a *lot* of pressure. I'm wondering if variation of using a steam iron and a towel (instead of rubber sheet) might work as well...

Please note: I've not tried any of this to see if such a technique would be feasible or if it would yield acceptable results or not.
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