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sliding cockpit

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Old 10-18-2017, 02:20 AM
  #1
richbran
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Default sliding cockpit

For my newest project, an F4F Wildcat I am contemplating a sliding cockpit. I need a few ideas how to tackle the problem, I did give it a try once on another plane, long time ago, but the result was not satisfactory at all.
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Old 10-18-2017, 03:50 AM
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Shaun Evans
 
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Hi,

What size?
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Old 10-18-2017, 04:04 AM
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Shaun Evans
 
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Hi,

I did this with the TF ARF Spit using two air cylinders and some Plastruct square tubing and some DuBro ball cups. It was actually super simple to DO, but a little tricky to plan out. Once I started it, it was a snap.

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Old 10-18-2017, 04:17 AM
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Shaun, it is a large beast at 1 : 4 scale, span 290cm or 115 in. Will be MOKI radial powered. R/C opening of the hood would be the least of the problem I guess, The rail system gets me headaches, also mounting that to or blending in with the glass fuse.
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Old 10-18-2017, 04:33 AM
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Shaun Evans
 
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Hi,

The nice thing about using plastic channel is that it's somewhat flexible. Sounds like it's gonna be a great project!
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Old 10-19-2017, 08:18 PM
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There's no "rule" that says the canopy needs to slide. You can leave it partially open.. or completely closed.
Sliding canopy rails are relatively simple to make. You can buy them too.. from dynamic balsa.
All you need is a "U" channel and a block to slide inside it. And a mechanism to move it.. That mechanism can be your hand! You can close it for take off keeping it closed with either magnets or a latch and open it when you land. No need for a servo , linear drive or air cylinder.
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Old 10-20-2017, 03:29 AM
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L16-R Hobby Linear Actuator
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Old 10-23-2017, 09:57 AM
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Yes L16 make it super easy, I have used them many times .
google Joe Hockey RC planes all the cockpits slide with what use to be called Fergelli linear Servos.
super easy !
rule of thumb is once the cockpit set up slides by hand it will easily slide by a liners servo.
i am typing from an iPhone while boarding my flight so I can’t post more details but I have a video online on how to cut the rails and start the process
again try Joe Hockey RC planes sliding canopy
I have executed this on P40s, P51 and Corsair and TBM avenger
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