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Old Apr 05, 2007, 08:41 PM
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Simi-Automatic Catapult System (SACS)


I will try put picture of SACS, but too much kb.
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Old Apr 06, 2007, 06:08 AM
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Interesting, Are you going to tell us any thing more about it?

Tim
Old Apr 06, 2007, 10:57 AM
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I wonder what shuts the motor down at the end of the travel?
Old Apr 06, 2007, 02:15 PM
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looks like some kind of terrorist weapon or something!

and what does "Simi-"..mean..?
Old Apr 06, 2007, 07:49 PM
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All the cradle has to do is to trip a simple switch near the turn around pulley...
Old Apr 06, 2007, 09:15 PM
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Semi-Automaticaly Catapult Sistem


1.Exuse me, pardon. It is puzzle without comments.

2. It was project for military system same years ego.
Principle of launch w/ shuttle usung by launch of drones (USA, Israel, etc)

3. "Jumper - B" is Semi-Automatic Catapult Sistem (SACS).
There used standard equiment such as 12 V. starter and 12V. rechargeable battery. A standard alum. angle was used to build the guide rail.
SACS can be used for launch RC planes different configurations.
Design SACS provides using alternative devices (bungee, rocetry motor) almost without modification.
Using of shuttle for launch provides possibility increasing effectivness of launch.
Pilot controls ONLY RC plane via ordinary (even 3 ch) Radio System.
Pilot can be located as far as need.
Detailes are in article, which ready for published.
Old Apr 06, 2007, 09:20 PM
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Sacs


"Semi-..."
it was my mistake.
Sorry.
Thank you for your time and comments.
Old Apr 07, 2007, 02:15 PM
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grandma wants half her walker back! :-)

No really, tell us more. Cool design....how big a motor do you use? -Ken
Old Apr 07, 2007, 03:59 PM
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Sacs


"Hobbico" TorqMaster 90.
Old Apr 07, 2007, 04:29 PM
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We need video...
Old Apr 07, 2007, 04:31 PM
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Sacs


I have to say, that electric scheme is simple:
Switch - 1
Snap Action Switches - 2
Indicator lamp - 1
Batterry - 1.
Starter - 1.
Structure of SACS is simple too.
Guide, support from aluminium pipes, sheaves, shuttle (start platform)
Old Apr 07, 2007, 04:40 PM
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Sacs


I am thinking that my pictures can be interesting.

Thanks
Old Apr 07, 2007, 04:48 PM
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Sacs


Became problems w/pic.
I will try more
Old Apr 07, 2007, 04:52 PM
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Sacs


About video... probably, when I wiil be on the fly field
Old Apr 23, 2007, 12:18 AM
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too much technology!


I'm thinking a lot of weight and expense could be saved if you store the launch energy in a bungee instead of a battery/motor rig. This looks like severe overkill. Bill
Last edited by ghoti; Apr 23, 2007 at 12:19 AM. Reason: speling


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