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  #1  
Old 01-21-2021, 06:55 AM
rmartingt's Avatar
rmartingt rmartingt is offline
 
Join Date: Nov 2006
Location: Savannah, GA
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Default Today's wild idea... 3d-printed stick grip?

I've been trying to reach Infinity for a few days to place an order (their order form won't work right) to no avail. While running off another batch of dummy Skyview components so I can do some wiring, I had an idea... what about printing my own stick grips instead?

Obviously PLA is out as a material due to temperature concerns; PETG might work, as might ABS or nylon (though I have no experience with the latter two).

For sure, I think the biggest concern would be strength of the part for abuse cases (control jam loads), part of which could likely be mitigated by ensuring enough of the stick tube is contained in the grip.

On the plus side, I could get it configured exactly as I'd want and not be limited by number, type, or position of buttons--not that I want a bunch, but I do remember a Paul Dye Kitplanes article about the Shuttle stick grip and placement of the trim switch and it sort of stuck in my head.


Thoughts from the peanut gallery?
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  #2  
Old 01-21-2021, 07:10 AM
N40ES N40ES is offline
 
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Location: Maryland Eastern Shore
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Default Do It

"If you build it they will come" I like the idea of COLORFUL Grips. and matching pairs for co-pilot side? But not too many switches & buttons!
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  #3  
Old 01-21-2021, 07:54 AM
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Default

There is a guy (Paul Swearingen) doing printed throttle grips.

https://www.3dstickandrudder.com/
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  #4  
Old 01-21-2021, 03:08 PM
Aluminum Aluminum is offline
 
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Location: San Jose, CA
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Quote:
Originally Posted by rmartingt View Post
Thoughts from the peanut gallery?
This is me learning to Loft in Fusion360:
https://vansairforce.net/community/a...1&d=1611266279

PLA will melt in the sun under a closed canopy. Use ABS or ASA filaments. They can be smoothed with acetone vapor for a very professional-looking result. These weigh a small fraction of my injection-molded Tosten grips, yet they feel just as rigid.

For the next experiment I ordered a dual-head extruder to attempt a TPU skin on an ABS body, for a softer feel similar to the fancy rubberized grips. Stay tuned...

P.S. The tropical fruit printed real nice too.
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  #5  
Old 01-21-2021, 07:52 PM
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Steve Melton Steve Melton is offline
 
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Default

that is really cool! did you make it to perfectly fit your hand?
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  #6  
Old 01-21-2021, 07:52 PM
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Saville Saville is offline
 
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Quote:
Originally Posted by fl-mike View Post
There is a guy (Paul Swearingen) doing printed throttle grips.

https://www.3dstickandrudder.com/
That's a great site. I wonder if they would make a P-51D (they have the P-51A,B, and C version) throttle grip with a PTT.
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  #7  
Old 01-21-2021, 08:32 PM
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Piper J3 Piper J3 is offline
 
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Quote:
Originally Posted by Aluminum View Post
P.S. The tropical fruit printed real nice too.
You 3D printed the pineapple?
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  #8  
Old 01-21-2021, 08:38 PM
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scrollF4 scrollF4 is offline
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Quote:
Originally Posted by Piper J3 View Post
You 3D printed the pineapple?
No, silly. The duck.
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  #9  
Old 01-21-2021, 10:34 PM
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rocketbob rocketbob is offline
 
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A few years back I was bored in a hotel on a work trip and wanted to learn how to use OnShape.

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https://cad.onshape.com/documents/15...8ecc93d9f8b807

The stick hole is parametric. Prints nicely on a resin printer.
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  #10  
Old 01-21-2021, 11:03 PM
Aluminum Aluminum is offline
 
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Quote:
Originally Posted by Steve Melton View Post
that is really cool! did you make it to perfectly fit your hand?
Nah, just fooling around to learn how the Loft function works--it's addictive for us quantitative types to keep turning the knobs. This print does feel really nice in my hand, but the reality is that we hardly ever grip the whole stick in flight, usually only for a few tense moments when landing taildraggers. That's why I left the long ledge on the bottom, to rest two fingers for steering with gentle pressure.

Fusion360 keeps everything in the "cloud". I'd be happy to share the design with the world but have no idea how to go about it. If someone can explain in a few sentences I'll try and put it up.
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