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  #1  
Old 01-15-2012, 08:29 AM
WillyEyeBall's Avatar
WillyEyeBall WillyEyeBall is offline
 
Join Date: Jan 2007
Location: Daleville, AL
Posts: 354
Talking Going vertical

Already starting to practice for the 2012 IAC contests. Had a professional photographer at our Gulf Coast Aerobatic Club get together yesterday at Brewton, AL. This is the picture I try to show the judges for the whoa factor.
Reminds me of a Beach Boys song: Fun, Fun, Fun...........
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  #2  
Old 01-15-2012, 09:47 AM
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panhandler1956 panhandler1956 is offline
 
Join Date: Jun 2006
Location: Ohio
Posts: 1,686
Default Love it!

That's a cool shot!!!


Have fun!

It's 8F here in central Ohio....
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EAA Chapter 9 Tech Counselor/Flight Advisor
Columbus, OH
RV-8 'Contrary Mary' flying
N784DE S/N #82614

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  #3  
Old 01-15-2012, 11:37 AM
twisted-wrench twisted-wrench is offline
 
Join Date: May 2008
Location: Eagles Nest, T56
Posts: 68
Default Vertical?

Very Cool belly paint. What about the exhaust plate? Looks like it should be dark also. Very nice photo also. Without a reference point in the picture though, going vertical is an assumption. Don't think of this as a flame. Think we want more cool pics please.
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  #4  
Old 01-15-2012, 11:52 AM
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rvmills rvmills is offline
 
Join Date: Nov 2007
Location: Georgetown, TX
Posts: 2,155
Default

Really cool shot Willy! I also like the belly paint...looks like an A-4. Good deceptive camo for dogfighting!

Best of luck in the contests...it'll be fun to read about RVs in IAC contests!

Cheers,
Bob
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RV-S6 "Rocket Six" N49VM
Cross Country-Marshall Field (07TS)
Georgetown, TX
President/Sport 49, Sport Class Air Racing
Trustee, Formation Flying Inc (FFI)
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  #5  
Old 01-15-2012, 04:54 PM
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WillyEyeBall WillyEyeBall is offline
 
Join Date: Jan 2007
Location: Daleville, AL
Posts: 354
Wink plate behind exhaust & perspective

Quote:
Originally Posted by twisted-wrench View Post
Very Cool belly paint. What about the exhaust plate? Looks like it should be dark also. Very nice photo also. Without a reference point in the picture though, going vertical is an assumption. Don't think of this as a flame. Think we want more cool pics please.
The white triangle behind the exhaust pipes is on purpose so I can see what's coming out of the cowling. Things I see are red brake fluid and a little oil. If you push negative Gs, the brake fluid reservoir will expel some liquid even when I use a shepard's loop shaped tubing going below the reservoir to minimize the leak.

The picture was taken about 1 PM local and the sun is located high and slightly to the left of the photographer. You can see the sun reflection in front of the air intake on the gloss black, the shadows of the exhaust and my right wing fence. I'm not sure when the photograph took the picture on the up pitch, but it looks over 70 degrees. The camera lens was VERY BIG AND LONG.
Glad you enjoyed it,
Bill McLean
RV-4 Slider
Daleville, AL
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  #6  
Old 01-15-2012, 10:36 PM
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rvmills rvmills is offline
 
Join Date: Nov 2007
Location: Georgetown, TX
Posts: 2,155
Default

Hey Bill,

I just looked closer, and it looks like you have flat wingtips with fences towards the aft half of the tip chord. True?

If so, what kind of performance changes have you noted (top speed, aileron loading and controllability, and airspeed bleeding in vertical/hi g maneuvering).

Thanks, looks interesting, and would love to see other pics if you have them!

Cheers,
Bob
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RV-S6 "Rocket Six" N49VM
Cross Country-Marshall Field (07TS)
Georgetown, TX
President/Sport 49, Sport Class Air Racing
Trustee, Formation Flying Inc (FFI)
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  #7  
Old 01-16-2012, 06:33 AM
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NickAir NickAir is offline
 
Join Date: Nov 2008
Location: McMinnville, Oregon: HOME of the SPRUCE GOOSE
Posts: 540
Default

Bill,
I also see trailing material at the wing tips?? Is this for aerobatic horizon ref?
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  #8  
Old 01-16-2012, 06:50 AM
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islandmonkey islandmonkey is offline
 
Join Date: May 2009
Location: Zurich, Switzerland
Posts: 538
Default

Quote:
Originally Posted by WillyEyeBall View Post
Already starting to practice for the 2012 IAC contests. Had a professional photographer at our Gulf Coast Aerobatic Club get together yesterday at Brewton, AL. This is the picture I try to show the judges for the whoa factor.
Reminds me of a Beach Boys song: Fun, Fun, Fun...........
I am 60 next month Willie, I hope to be doing what your doing now when I am 70. Well done mate. Could you post more pictures of your 4?

Cheers

Tony
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1500 hour pilot and ex instructor and examiner.
RV-4 s/n 4572 Emp Kit.
RV-3B s/n 11460 Emp Kit. (In storage).
Anthony's RV-4
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  #9  
Old 01-16-2012, 08:40 AM
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WillyEyeBall WillyEyeBall is offline
 
Join Date: Jan 2007
Location: Daleville, AL
Posts: 354
Smile wing tips & sighting device

Quote:
Originally Posted by rvmills View Post
Hey Bill,

I just looked closer, and it looks like you have flat wingtips with fences towards the aft half of the tip chord. True?

If so, what kind of performance changes have you noted (top speed, aileron loading and controllability, and airspeed bleeding in vertical/hi g maneuvering).

Thanks, looks interesting, and would love to see other pics if you have them!

Cheers,
Bob
We always like to show off our toys, so thanks for the more picture request. The idea for the flat wing tips came from an1991 article, September issue, in Sports Aerobatics (Ralph Riddell) about a RV-4 modified for serious acro, and the flat wing tips increased the roll rate. I added the fences for the same reason to achieve a little more aileron effect. I'm not a good test pilot, so my estimate is the flat wing tips increased the top speed about 3 knots, increased my stall speed 4 to 5 knots. However the fences lowered the stall speed about 3 knots and also slowed the rapid spin rotation after 1/2 turn. It also seems to land better without much float. The inverted flight is slightly better with a little less nose up for level flight. For an acro sighting device, I have auto window tint strips on my canopy. The advantages of the tint strips are it's cheap, and I can see them with slight peripheral vision, and I can move them if they are not right.



Bill McLean
RV-4 Slider
Alabama
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  #10  
Old 01-16-2012, 09:27 AM
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mv031161 mv031161 is offline
 
Join Date: Jan 2010
Location: Tybee Island, GA
Posts: 665
Default

Hey Bill congratulations....como join us for some fun sometime here in the carolinas. what seuqence are you practicing?
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