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Speed,Combat,Scale,Racing => Scale Models => Topic started by: Tim Wescott on May 22, 2017, 01:26:32 PM

Title: Just Because it's Monday -- Cessna 210 LG down & up
Post by: Tim Wescott on May 22, 2017, 01:26:32 PM
https://www.youtube.com/watch?v=nSj3VDW_NNw

I like the way the mains swing back & forth at the bottom of the stroke going up.  No problem to do that on a model, eh?
Title: Re: Just Because it's Monday -- Cessna 210 LG down & up
Post by: john e. holliday on May 23, 2017, 02:14:24 PM
Any body that could duplicate that gear retraction should get full scale points.   From the rear in the flying videos, it looks like a bird retracting it legs.
Title: Re: Just Because it's Monday -- Cessna 210 LG down & up
Post by: Fred Cronenwett on May 23, 2017, 08:50:39 PM
The Nose gear would be easy in that it's a normal 90 degree unit, the aft legs just need to have the rotation point be at the correct location and angle. A normal 90 degree unit would probably work for that one

the sequenced gear doors can be done with electronics. Put electric retracts to move the gear and have servos open and close the gear doors. The gear door sequencer (electronic board) does the heavy lifting to sequence the gear doors

But they would be difficult due to the length of the main gear. The main legs would have to be stiff so that they don't easily bend

Fred

https://www.youtube.com/watch?v=SWBBAQH8MOY

Title: Re: Just Because it's Monday -- Cessna 210 LG down & up
Post by: Paul Smith on May 24, 2017, 08:39:03 AM
If you own a real plane with a gear like that you need DEEP pockets.
Title: Re: Just Because it's Monday -- Cessna 210 LG down & up
Post by: Fred Cronenwett on May 27, 2017, 06:51:46 PM
I ran the gear geometry thru the computer and you would use 90 degree rotating gear similar to what you would use for a P-40 or a corsair for the main gear.

Fred
Title: Re: Just Because it's Monday -- Cessna 210 LG down & up
Post by: Chris McMillin on May 27, 2017, 11:13:53 PM
I remember that the motor to operate it was the same as a trim motor on a Mercury outdrive and originally a Studebaker part.
Chris...