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-   -   Is there a constant speed RC prop? (https://www.rcuniverse.com/forum/beginners-85/7182534-there-constant-speed-rc-prop.html)

foosball_movie 03-05-2008 10:53 PM

Is there a constant speed RC prop?
Just wondering. Is there a constant speed prop available for RC aircraft?

TexasAirBoss 03-06-2008 12:36 AM

RE: Is there a constant speed RC prop?
Not a true constant speed prop, but there is a variable pitch prop for electrics only. With it, pilots have performed reverse 3D maneuvers like hovering nose down.

There is some R&D going one with larger turbo prop models, I'm not certain if there is a production variable pitch prop available yet.

As for the middle of the road, glow engines, I haven't seen anything in that range.

HighPlains 03-06-2008 12:44 AM

RE: Is there a constant speed RC prop?
There were one or two variable pitch designs made for glow engines about 30-35 years ago.

bigugly 03-06-2008 12:45 AM

RE: Is there a constant speed RC prop?

If this one makes it into production I will have to have one on a TF P51 :D

Campgems 03-06-2008 01:33 AM

RE: Is there a constant speed RC prop?
A couple years back, I purchased a set of plans for a P&W Wasp Jr 1/6 scarle engine. Included is a set of plans for a consant speed prop for that engine. The designer sells carbon fiber blades for the prop, and you can make a 2 or threee blade setup. The prop is a 20" with a 16 pitch at 6000rpm down to a 5 pitch at 3300. This is bigger that any thing I'm flying now but I've been toying with scaleing it down. There is even an option for a hyd cylinder setup to provide an overide on the spring loaded setup with weights. You can see a view of the two blade version here

This is R_and_engines under Yahoo groups. I think you will have to join to see the photo section.


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