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  #1  
Old 08-20-2007, 02:08 AM
SatelliteInterceptor SatelliteInterceptor is offline
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Default "Astron Sprint" Streamer

I have an built "Astron Sprint" rocket from the late 1970's. It no longer has its streamer. I checked the rocket plans for the Sprint at JimZ's website and the plans state that the Sprint's original streamer was 90 inches in length, by 1 inch in width. 90 inches doesn't sound right to me. Was that a typo in the plans ? If so, what was the length of the Sprint's original streamer ? Please help !
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Old 08-20-2007, 02:23 AM
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pantherjon pantherjon is offline
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90 INCHES!! That is awfully long! Almost 8 feet(7.5 to be exact) long! Would take a magician some real slight of hand to get that thing rolled up tight enough to fit in a Sprint BT! Gotta be a typo...But then again, looking at the illustration in the PDF of the rocket cutaway, the streamer does appear very long..Still don't see how you can roll 7.5 feet of streamer into a BT-50..Guess it COULD be done, but would be pretty tight...
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Old 08-20-2007, 05:34 AM
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Default Re: Length of Streamer...

It Does sound like a stretch (pun intended).

In actuality, the streamer material used was the Crepe Paper Orange "Party Streamer" material, so if you want to try for 90" worth in the BT-50, More Power to Ya !

I believe the width was 1 1/4", if memory serves correctly.
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Last edited by Rocketking : 08-20-2007 at 06:05 AM.
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Old 08-20-2007, 10:21 AM
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ghrocketman ghrocketman is offline
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90 inches is indeed the correct length !
I measured mine from an opened kit, as well as from the one original I still have flying.
You tape the streamer at the midpoint to the shock cord creating two 45" streamers that you roll separately and stuff in the body tube.
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Old 08-20-2007, 11:40 AM
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Bob H Bob H is offline
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Quote:
Originally Posted by ghrocketman
90 inches is indeed the correct length !
I measured mine from an opened kit, as well as from the one original I still have flying.
You tape the streamer at the midpoint to the shock cord creating two 45" streamers that you roll separately and stuff in the body tube.
Correct, I just went and measured one from an opened kit I have also.

The width of the streamer is 1". The crepe paper is much thinner than the "party streamer" material that comes on the rolls. It's more like the higher quality crepe paper that comes in sheets.
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Old 08-20-2007, 12:09 PM
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Quote:
Originally Posted by Bob H
Correct, I just went and measured one from an opened kit I have also.

The width of the streamer is 1". The crepe paper is much thinner than the "party streamer" material that comes on the rolls. It's more like the higher quality crepe paper that comes in sheets.


Uh, oh. Shredvector is soon going to point out the error of your ways.

Last edited by tbzep : 08-24-2007 at 01:38 PM.
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Old 09-13-2007, 10:06 AM
Capt'n Jim Capt'n Jim is offline
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Wasn't that also a competition rocket for either height or "drag" timed duration so that might explain the long streamer.
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Old 10-03-2007, 08:53 AM
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I flew my Sprint clone this past Sunday on a Canaroc B4-6 motor, with the full length streamer made from 1.25" party streamer material. I had no problem with either loading the streamer, or ejection. The long streamer made the model easy to track and locate.
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Old 10-03-2007, 09:04 AM
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Wow, B4-6... I miss them.
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Old 10-03-2007, 12:25 PM
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I fly my original Astron Sprint almost exclusively on C6-7's....flown well over 50 times and it always comes back as it is easy to track on that 90" streamer.
Every once in a while it gets flown on a vintage B14-7....talk about blink and you will miss it !
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