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Rail Plane Build
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airspyder


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Joined: 12 Jan 2011
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PostPosted: Mon May 29, 2017 2:22 pm    Post subject: Rail Plane Build Reply with quote

Hi all,
In the post below (see link) I mentioned my urge to build a propeller driven rail car.

Link
http://modelsteam.myfreeforum.org/about95998.html

last week after considerable digging I was able to locate and sort through my RC airplane spare parts.
After looking at many vintage prop powered vehicles I finally
settled on a body shape like this one.

 photo 44.jpg

I had some scraps of 1/8 inch ply that were just the right size to get a couple of body panels out of.
Some trucks from an unrealized project and a few screws to hold it together.
Then the electronics were packed in for a test run.  

My design calls for a smaller battery and electronic speed control but I had to use the battery and esc that I found in the spares box.
 photo Rail Plane Test.jpg

Action shot
 photo Rail Plane Test A.jpg

Here's a short video of the test run, I probably should have set the camera up on the tripod as the remote takes two hands.

Enjoy


Cheers,
          Bill
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MrMamod


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Joined: 03 Jan 2010
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PostPosted: Mon May 29, 2017 2:37 pm    Post subject: Reply with quote

WOW Bill I love that  

Love the speed the sound the way it changes direction so quick    it is Amazing  Thumbs up!
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Last edited by MrMamod on Mon May 29, 2017 5:12 pm; edited 1 time in total
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airspyder


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PostPosted: Mon May 29, 2017 4:00 pm    Post subject: Reply with quote

Thanks,  
If you look closely when it is standing idle you will see the tips of the propeller are stained green from the first pass through the low hanging tree branches.
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Stoker


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PostPosted: Mon May 29, 2017 4:46 pm    Post subject: Reply with quote

She's about a mover, and that's no lie!

I really like the variable pitch and reversible propeller and the fact that you have it set up with a rotary motor like some of the old WWI biplanes had. Also seems like it may go a tad faster in reverse, or as a pusher anyway.

Love it!!!
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pitchy


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PostPosted: Mon May 29, 2017 5:04 pm    Post subject: Reply with quote

That`s really cool and your track layout is really nice.  
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airspyder


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PostPosted: Mon May 29, 2017 5:16 pm    Post subject: Reply with quote

Stoker wrote:
She's about a mover, and that's no lie!

I really like the variable pitch and reversible propeller and the fact that you have it set up with a rotary motor like some of the old WWI biplanes had. Also seems like it may go a tad faster in reverse, or as a pusher anyway.

Love it!!!


I haven't properly centered the servo's travel so it's likely that there is a greater pitch increase in the reverse direction.

It can be a little bit confusing running it because the throttle is the primary speed control, but the pitch also controls the speed and the direction.
I'm finding that if I set the throttle to a manageable speed it is much easier to handle with just the pitch control.
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airspyder


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PostPosted: Mon May 29, 2017 5:19 pm    Post subject: Reply with quote

pitchy wrote:
That`s really cool and your track layout is really nice.  


Thanks Lenn,
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superbiker_uk


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PostPosted: Mon May 29, 2017 5:34 pm    Post subject: Reply with quote

That's amazing! Very nice build and a fun thing to play with
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andycrazy


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PostPosted: Mon May 29, 2017 10:30 pm    Post subject: Reply with quote

Superb!  The heli tail rotor makes a good prop, drives that rail plane very well.  Great idea!
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Wulfrun


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PostPosted: Mon May 29, 2017 10:41 pm    Post subject: Reply with quote

That's bonkers but looks a lot of fun!
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Les


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PostPosted: Mon May 29, 2017 10:50 pm    Post subject: Reply with quote

  Very impressive indeed. Well done.
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Tony Bird


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Joined: 06 May 2010
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PostPosted: Tue May 30, 2017 7:40 am    Post subject: Reply with quote

Hi Bill,

I love it! Great fun.  The model Swift Sixteen make uses a brake to control it at slow speed which consists of a servo arm with a pad on it baring on a axle which works very well.

Regards Tony.
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Celsius 100


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PostPosted: Tue May 30, 2017 12:07 pm    Post subject: Reply with quote

A novel idea and entertaining to watch.
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MrDuck


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PostPosted: Tue May 30, 2017 12:20 pm    Post subject: Reply with quote

This is very interesting
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airspyder


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PostPosted: Tue May 30, 2017 2:55 pm    Post subject: Reply with quote

Thanks guys,

This is still a work in progress.
After some further testing I have discovered the maximum safe speed in reverse.



No harm done, a very tough vehicle.
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