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Old Mar 19, 2002, 02:56 PM
Schluter60 is offline
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New PVC Pedal Launcher


I recently built a PVC (3/4") Pedal Launcher similar to the The PVC Pedal Launcher that was featured in the September 2001 S&E modeler. It has worked out great and was relatively inexpensive to build. It now has an approximate 15 degree incline (increased from 7.5 degrees in photo) and a 20 foot bungee providing the power. I've used it for Multiplex Picojet Combat and Multiplex Twinjet so far and I plan to use it for a Kyosho T33 Shootingstar EDF.

On the launcher in the photo is a Wallyworld $3.94 special weighted with 8 "D" cell batteries to approximate the launch weight of the Twinjet. The Launcher projected this flying test bed OK, but there was no radio control of the foam glider to prevent it's demise on landing. Three test launches and the Wallyworld foam glider's fuselage gave it's life for the cause. I sacraficed the test bed to save the flying aircraft. If there is any interest, I'll post some close ups of the launcher.
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Old Mar 19, 2002, 03:20 PM
drbird is offline
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I'd like to see more!
Old Mar 19, 2002, 03:26 PM
Gonflyin01 is offline
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I WOULD LIKE TO SEE LOTS MORE!!! I need something to launch my wally glider (RC conversion) and my Razor! I have been wanting one but couldnt come up with a design. THANK YOU!!
Old Mar 19, 2002, 04:08 PM
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characters welcome!
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More !

mw
Old Mar 19, 2002, 04:56 PM
KillerAir is offline
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Plane dodger
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Yes Please.

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Old Mar 19, 2002, 06:00 PM
Vinnya42 is offline
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Lifes 2 short, go sloping
launcher looks cool, it there a reason why you don't just bungee launch it by hand or does that have something to do with the Pedal part. I guess I am missing something? I would like to learn more.
Old Mar 19, 2002, 09:12 PM
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Parts List for New PVC Pedal Launcher


I've listed the parts I used to build the 3/4" PVC Pedal Launcher. The launcher can be built to suit your application, but mine is 2' wide by 5' long to accommadate several planes.

3 @ 3/4" T

2 @ 3/4" X (four connection cross joiners)

5 @ 3/4" end caps

6 @ 3/4" 90's

4 @ 1" T's

4 @ 1" to 3/4" adapters

3 @ 10" 3/4" lengths of PVC

1 @ small can of PVC cement

2 @ 3/4" metal pipe brackets

1 @ 3/8" X 3" bolt (unthreaded for release pin)

2 @ 1" welded steel rings

3 feet nylon cord

10 feet foam pipe insulation

3 @ plasstic tent stakes heavy duty

20 feet bungee or surgical tubing
Old Mar 19, 2002, 09:18 PM
Schluter60 is offline
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Pedal Launcher Release Pivot Assembly


Pivot assembly detail
Old Mar 19, 2002, 09:20 PM
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Pedal Launcher Release Pin Assembly


Pedal Launcher Release Pin Assembly detail
Old Mar 19, 2002, 09:23 PM
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Pedal Launcher Release Pin and hold down


Pedal Launcher Release Pin and hold down detail
Old Mar 19, 2002, 09:24 PM
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Looks good so far - Keep it comin' -
Old Mar 19, 2002, 09:25 PM
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Pedal Launcher Release Pin Attachment


Pedal Launcher Release Pin Attachment detail
Old Mar 19, 2002, 09:28 PM
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Pedal Launcher Ring Attached to PJC


Pedal Launcher Ring Attached to PJC
Old Mar 19, 2002, 09:32 PM
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Pedal Launcher Release Pin Bottom View


Pedal Launcher Release Pin Bottom View detail

I hope these photos are helpful to those Ezoners that may want to build a similar launcher.

I'll try to answer any questions
Old Mar 19, 2002, 09:37 PM
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I'm still not sure what "catapults" it - is that white rope bungee?


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