Catapult for a Skywalker plane

Posted by Cala on June 15, 2014 at 2:05pm

3691129139?profile=originalBefore a long time and many practice I learn to hand launch my Sw 168 but I'm not confort because I'm a small woman and it's an efford for me to launch my hevy sw with FPV, camera APM etc.so I saw Brett catapult and decided to build one

THANK'S BRETT FOR THE IDEA AND BUIDING DETAILS!!! :) :) . MARTINLERE FOR HELP ME, AND THANK'S FOR THIS DISCUSSION GROUP!!!

Now I'm finishing it, only some little details to finish and try but I want to share with you my advances; I'm in winter now and bad weather to fly but good to build. ;)

3691129165?profile=original3691129021?profile=original3691129216?profile=original3691129191?profile=originalThe union tubes are soldered because someone reports at RC Groups that they loosen

3691129243?profile=original3691129036?profile=originalHow I attached

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Replies

  • Jakob Schmidt October 6, 2015 at 10:35pm

    Do you have picture of the mounting points on the Skywalker?

    • Cala > Jakob Schmidt October 22, 2015 at 4:08pm

      Sorry, I recently see your message, It's this

      3702600046?profile=original

    • Cala > Cala October 22, 2015 at 4:09pm

      It's like the wings one but downside, looks under the Tx video

  • Cala April 23, 2015 at 2:51pm

    https://vimeo.com/125851438

    • BacklashRC > Cala June 16, 2015 at 7:38am

      Thanks for the link Cala.  My Skywalker turned out to be so heavy that I think the catapult would destroy it trying to get the plane above stall speed within the two meter length of the rail.

       

      I did build a catapult for my RVJet.  You can see that video here.

    • Cala > BacklashRC June 16, 2015 at 9:28am

      Thank's for your video, I work a lot to hand launch my planes, I notice that when you try to handlaunch and failed, you need more power from your motor, I'm not have enougth force and not tall so I replace with motor force to take off.

  • BacklashRC April 22, 2015 at 10:30am

    Cala,

         How did this turn out?  Did you ever successfully launch your Skywalker with the catapult? Do you have any video to share?

    • Cala > BacklashRC April 23, 2015 at 2:42pm

      Yes, I succesfully lauch it, but finally I learn to lauch from my hand, I program the radio to move the elevator at first step take off, (now the auto take off works nicely too), I have a little short video from the first time, looks for it and share; the only problem I not resolved is the activate system, is good for a wingspan plane but more difficult to lauch with an airplane, my next build is going to be a phantom wingspan and thinks to use with it. 

  • Cala July 1, 2014 at 4:35pm

    I couldn't try yet, waiting a good weather weekend :(

    Hernan, si te referis al foro aeromodelismo, quería poder hacer el video primero, pero cuando tengo tiempo esta feo y cuando esta bueno no pude pero ya llegará.;)

    • Ahmed Rehan > Cala November 6, 2014 at 4:48am

      You need some mechanism to stop the shuttle otherwise it will hit at the end better to take pulley in center and use your bunjee to take the shock.

This reply was deleted.