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  #1  
Old 01-19-2019, 03:39 PM
tlump51 tlump51 is offline
 
Join Date: Oct 2009
Location: Inglewood, CA
Posts: 31
Default RV4 Whirligig

I thought you guys might get a kick out of this project. This is a wind-driven whirligig of two RV4s in formation. It is made mostly of wood with some help from my trusty 3D printer.



Fuselage carved from wood with 3D printed gear leg fairings.



Completed model of "lead" plane with paint scheme from my full size RV4.



"Wingman" with alternate paint scheme I considered.



Looking up from my patio on a cloudy day. RV overflight!



Poor quality video of the contraption in action.

https://lh3.googleusercontent.com/p6...1280-h720-k-no
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  #2  
Old 01-19-2019, 03:51 PM
FLY6 FLY6 is offline
 
Join Date: May 2010
Location: Burlington On. Ca
Posts: 105
Default No video

It looks like a cool addition to the sky. When I tried the video, it was just a pic. Looks good though 👍
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  #3  
Old 01-19-2019, 04:26 PM
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Steve Melton Steve Melton is offline
 
Join Date: Apr 2011
Location: Cincinnati, OH
Posts: 2,141
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I like that gizmo. I would probably sit on the porch and watch it endlessly.
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RV-9A, Tip-up, Superior O-320, roller lifters, 160HP, WW 200RV, dual impulse slick mags, oil pressure = 65 psi, EGT = 1300F, flight hours = 700+ for all

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see Amanda Melton for www.rvplasticparts.com
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  #4  
Old 01-19-2019, 06:33 PM
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RV8Squaz RV8Squaz is offline
 
Join Date: Feb 2006
Location: Senoia, Georgia
Posts: 703
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That is really really cool! I love it! So creative.
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  #5  
Old 01-19-2019, 09:50 PM
seward747 seward747 is offline
 
Join Date: Jan 2005
Posts: 173
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Yep, nicely done! The "finished pic of lead", with dowel attached to tail, looks like they'd be perfect "fighter sticks" for ACM/BFM mission briefings in the ready room

With the video INOP, trying to visualize what kind of motion the fan blades provide. Do they execute a lead change, a crossunder, or...……..?


Doug
Seattle area
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  #6  
Old 01-19-2019, 10:07 PM
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donaziza donaziza is offline
 
Join Date: Jun 2007
Location: Atlanta
Posts: 626
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That "is" cool. Wanna make another-----of an RV 8????????????????:For profit
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  #7  
Old 01-21-2019, 09:11 AM
tlump51 tlump51 is offline
 
Join Date: Oct 2009
Location: Inglewood, CA
Posts: 31
Default

[quote=seward747;1318168]Yep, nicely done! The "finished pic of lead", with dowel attached to tail, looks like they'd be perfect "fighter sticks" for ACM/BFM mission briefings in the ready room

With the video INOP, trying to visualize what kind of motion the fan blades provide. Do they execute a lead change, a crossunder, or...……..?


Hmmm. I thought I had video posting figured out. I'll re-read the instructions and try again.

Basically, the planes bank back and forth in formation. Like they're doing a quick reversal from left to right and vice versa.
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  #8  
Old 01-21-2019, 09:35 AM
tlump51 tlump51 is offline
 
Join Date: Oct 2009
Location: Inglewood, CA
Posts: 31
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Ok. I tried putting the video on Vimeo (vs. Google Photos). It appears to work in the preview.

https://vimeo.com/312550506

At the right time of day I get a nice shadow view against a wall.

https://vimeo.com/312550506

TLump51

RV4 - "The Dirty Bird"
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  #9  
Old 01-21-2019, 10:52 AM
seward747 seward747 is offline
 
Join Date: Jan 2005
Posts: 173
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Ahhhh…………..now we see.

Very cool indeed!

Now you WILL be getting some custom build requests.

Boys and their toys...…….


Doug
Seattle area
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  #10  
Old 01-21-2019, 01:08 PM
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DakotaHawk DakotaHawk is offline
 
Join Date: Oct 2008
Location: Arlington, WA
Posts: 788
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Quote:
Originally Posted by seward747 View Post
Ahhhh…………..now we see.


Now you WILL be getting some custom build requests.
Which parts are printed? That looks like a fun "rainy weekend" project. You could probably sell a few kits of the printed parts!

Could you post a couple of pics of the business end (the gear drive end)?
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RV-7 N957RV (First Flight on Dec 18, 2009)
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Arlington, WA
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