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  #1  
Old 06-22-2005, 09:18 AM
1320 1320 is offline
Junior Rocketeer
 
Join Date: Jun 2005
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Default Better Pictures?

Recently purchased an off the shelf rocket that takes a photograph during recovery. Well, all my photos are of the clouds, that's cool but I'd like some ground shots now. Can you control the recovery to the point that the rocket is on it's way down before it pops the 'chute?

Can it be controlled by adding weight or maybe a different engine?

Help!

Thanks;

Jamie
Lexington, KY
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  #2  
Old 06-22-2005, 09:28 AM
Ltvscout Ltvscout is offline
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Quote:
Originally Posted by 1320
Recently purchased an off the shelf rocket that takes a photograph during recovery. Well, all my photos are of the clouds, that's cool but I'd like some ground shots now. Can you control the recovery to the point that the rocket is on it's way down before it pops the 'chute?

Can it be controlled by adding weight or maybe a different engine?

Help!

Thanks;

Jamie
Lexington, KY

What size engine are you using, Jamie? What you need is one with a longer delay.
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  #3  
Old 06-22-2005, 09:34 AM
1320 1320 is offline
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Thanks for the quick reply! Using the engines that came with it but don't recall the numbers, maybe C6-5's....

What is the longest delay engine in the C class?
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  #4  
Old 06-22-2005, 09:35 AM
Ltvscout Ltvscout is offline
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Quote:
Originally Posted by 1320
Thanks for the quick reply! Using the engines that came with it but don't recall the numbers, maybe C6-5's....

What is the longest delay engine in the C class?

If they are C6-5's you'll want to use C6-7's which is the longest delay available in the C class motors.
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  #5  
Old 06-22-2005, 09:39 AM
1320 1320 is offline
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Great. Thanks a million. Will give it a try and post results.
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  #6  
Old 06-22-2005, 09:40 AM
Ltvscout Ltvscout is offline
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Quote:
Originally Posted by 1320
Great. Thanks a million. Will give it a try and post results.

Cool. If you have a scanner, scan the photos to post here after your flights.
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  #7  
Old 06-22-2005, 09:42 AM
1320 1320 is offline
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Indeed.
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  #8  
Old 07-05-2005, 01:59 PM
1320 1320 is offline
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The C6-7 did the trick Ltv...thanks. As luck would have it, the rubberband holding the nose/camera in place was burnt in two when the chute popped! I did see it fall but was unable to locate it (knee deep weed field). It gets worse.....the body landed in the road and was promptly ran over by a car!

Much to my surprise, my three year old found much humour in this! We've had better flights but this one was the best if you ask him! Thank goodness we had fireworks to back up the rocket "show".
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  #9  
Old 07-05-2005, 04:05 PM
A Fish Named Wallyum A Fish Named Wallyum is offline
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Quote:
Originally Posted by 1320
The C6-7 did the trick Ltv...thanks. As luck would have it, the rubberband holding the nose/camera in place was burnt in two when the chute popped! I did see it fall but was unable to locate it (knee deep weed field). It gets worse.....the body landed in the road and was promptly ran over by a car!

Much to my surprise, my three year old found much humour in this! We've had better flights but this one was the best if you ask him! Thank goodness we had fireworks to back up the rocket "show".


If, and when, you buy a new AstroCam, definitely give a thought to upgrading your recovery system with Kevlar and sewing elastic. I think the #1 problem that I've heard of from AstroCam owners over the years has been shock cord burn-through. Mine somehow managed to survive its many flights, but I doubt that I'd push my luck with the stock shock cord if I were to fly it today.
If your three year old is anything like my son was, he'll be remembering this for the rest of his life.
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  #10  
Old 07-06-2005, 12:04 AM
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Tau Zero Tau Zero is offline
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Quote:
Originally Posted by A Fish Named Wallyum
If, and when, you buy a new AstroCam, definitely give a thought to upgrading your recovery system with Kevlar and sewing elastic. I think the #1 problem that I've heard of from AstroCam owners over the years has been shock cord burn-through.


600 or 1000 lb. Kevlar and 1/4" wide sewing elastic (maybe about 3 feet of each, Bill?) would probably be overkill for some folks in comparison to the standard ~100 lb. Kevlar (e.g., SEMROC), but not for the AstroCam, I think.


Look for the thicker Kevlar toward the lower right hand corner here:

http://www.rocketparachutes.com/prices.html


Cheers,

--Jay
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