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05-08-2012, 05:11 PM
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Join Date: May 2008
Location: Boulder, CO
Posts: 191
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Wing tip baggage bays
Has anyone ever done the baggage bays on a RV4?
I'm just thinking of ways to expand my baggage capacity of my 4
Thanks
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05-08-2012, 08:27 PM
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Join Date: Nov 2008
Location: McMinnville, Oregon: HOME of the SPRUCE GOOSE
Posts: 540
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Outboard weight
Added weight outboard will negitively change aerobatic performance, I have heard. Research this issue with an engineer for safety. Luggage room is always nice to have.
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Tailwinds...
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Working on a RV-4
Citabria 7GCBC
Cessna 180
RV7 I0-360 C/S, Slider, AP, Glass, etc. sold.
RV6 O-320 F/P, Slider, AP, Steam, etc., sold
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Proud -VAF- Supporter - Exempt, Dues Paid Anyway.
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05-12-2012, 08:28 PM
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Join Date: Apr 2007
Location: Cedar Hill, Tx.
Posts: 159
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the Sport Cruiser has baggage bays just outside wingwalk area and behind the spar between the ribs.
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Metal Feathers Club
RV 7 N706CB
1st flight Oct 18, 08
S/N 72847 tip 200HP CS glass IFR
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05-12-2012, 09:22 PM
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Join Date: Jun 2011
Location: Nashua, NH
Posts: 536
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I believe it was done and written about in the RVator. I plan on doing it on my -4. Just a piano hinge for the removable panel on top of the wing tip. I will secure the load (clothing) to the forward part of the outboard wing rib using a net system.
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Mike
RV-4 #2750
N654ML
IO-360
WW150C Prop
1018 lbs
Flying
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05-13-2012, 01:11 AM
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Join Date: Jan 2008
Location: Ashland, OR
Posts: 2,574
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I know of several
There is a group of RV-4's that fly out of Nut Tree airport in Vacaville, all red, and they have baggage bays in their wingtips. I think they call themselves "Meerkats" or something like that.
Nice access doors in the flat top surface of the wing tips with Hartwell latches. Big enough to stuff a bunch of clothes in, or even wrap up some heavier gear in clothing and stuff it in there. Coming back from a wine tasting trip? Can probably get several bottles in there, all wrapped up.
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Steve Smith
Aeronautical Engineer
RV-8 N825RV
IO-360 A1A
WW 200RV
"The Magic Carpet"
Hobbs 625
LS6-15/18W sailplane SOLD
bought my old LS6-A back!! 
VAF donation Jan 2020
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05-13-2012, 01:25 AM
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Join Date: Jan 2005
Location: Cincinnati, Ohio
Posts: 1,060
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I just flew an/in an RV 8 with said baggage bays in wingtips from Nutree today.
Cool idea, and I will try to modify my RV8 with the new 415 wing tips to incorporate theses bays.
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Jon Thocker
Habitual Offender
RV4, RV4, RV6A, RV8, RV8, RV8,RV8, RV8, RV8, RV12
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05-13-2012, 05:26 AM
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Join Date: Jun 2007
Location: Fairbanks AK
Posts: 758
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One of my Hanger Neighbors vacuum packed 2 sets of survival gear and packed them into the wingtips, they do not have latches or anything b.c the intent is if you need the survival gear you don't care about the plane anymore, therefore a heavy rock would get them out. Pretty cool idea.
-david
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RV-7 N87DX Built, Flown, and Sold!
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05-13-2012, 07:18 AM
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Join Date: Oct 2005
Location: Melbourne, Australia
Posts: 1,868
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I'd be concerned that any significant extra mass at the wingtips might affect spin recovery adversely in the RV4 (or any RV for that matter). John Johanson has reported that his RV4 exhibited a "hands-off-controls" spin recovery with standard tips but when he installed tip tanks (an increase of mass of only 3 kg at each tip) the same aircraft (with tip tanks empty) required positive conventional control inputs to recover from a spin.
I just think it's a bad place to be adding any additional mass due to the length of the lever arm.
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You’re only as good as your last landing 
Bob Barrow
RV7A
Last edited by Captain Avgas : 05-13-2012 at 07:28 AM.
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05-13-2012, 05:36 PM
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Join Date: Jan 2006
Location: Winston-Salem, N.C.
Posts: 1,213
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Tip storage
Now that I'm looking to travel in my -4, I wish I had done them while building it. Lots of great space, and several others have done same. Many comments about weight/moment, however,the intent isnt to fly acro with baggage in the tips...There are plenty of aircraft with STC tip tanks added,and thats a bunch of weight. CG is main factor, and its easy enough to calculate that.
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Bill E.
RV-4/N76WE
8A7 / Advance NC
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05-13-2012, 06:59 PM
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Join Date: Oct 2005
Location: Melbourne, Australia
Posts: 1,868
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Quote:
Originally Posted by fixnflyguy
Now that I'm looking to travel in my -4, I wish I had done them while building it. Lots of great space, and several others have done same.
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In the experimental category it's often the blind leading the blind.
Quote:
Originally Posted by fixnflyguy
Many comments about weight/moment, however,the intent isnt to fly acro with baggage in the tips.
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You don't need to be doing acro to stall and spin.
Quote:
Originally Posted by fixnflyguy
There are plenty of aircraft with STC tip tanks added,and thats a bunch of weight. CG is main factor, and its easy enough to calculate that.
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Vans stopped selling tip tanks. There was probably a good reason for that. They understood that at a particular tip mass the aircraft would not recover from a spin...and they were presumably not prepared to send up a test pilot to find out specifically what that mass was.
But, hey, this is the experimental category....YOU can be the test pilot. 
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You’re only as good as your last landing 
Bob Barrow
RV7A
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