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02-07-2016, 12:50 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,027
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Quote:
Originally Posted by N941WR
Change that heavy CS prop to a FP Catto and you will drop about 80 lbs.
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Probably closer to 1/2 that.
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Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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02-07-2016, 12:54 PM
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Join Date: Oct 2009
Location: Sydney, Aust.
Posts: 820
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Quote:
Originally Posted by Snowflake
There was a guy in Florida trying to sell an RV-7 as an LSA a while ago... Engine placarded to not operate above X RPM, light interior, etc. Don't remember the empty number but the gross had to meet LSA limits... 1200lb?
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My regulatory limit is 1320Lbs for RAAus administration initially, but I'll change it over to the normal CASA registration in a year or so so I can use the full gross weight.
We don't have any speed limits for RAAus, so other than the RV-3 that is running around, I may well have the fastest ultralight in Australia!
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Once you have tasted flight you will forever walk the earth with your eyes turned skywards, for there you have been and there you will long to return - Leonardo DaVinci
My Flickr gallery: http://www.flickr.com/photos/35521362@N06/
RV-9A - Finished on 10th February 2016 after 4 years, 9 months and 19 days! The 1020th RV-9 flying.
First flight 26th March 2016. Essential specs 145KTAS @ 2400RPM, 8000', 24.2LPH, Initial RoC 1800FPM.
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02-07-2016, 01:15 PM
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Join Date: Jan 2005
Location: Chandler, AZ
Posts: 2,900
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#1026
One of my former neighbors, who is not on the forum, was shooting for the lightest 7 with a 360. His came out to 1026 with combo of paint and polish. His goal to built light and shoot for a record attempt to 27,000 feet. He got to 26,900.
He built it with no lights, auto pilot, minimum avionics. He cut lightening holes in everything possible. I think he could have made it without paint or reducing the amount of red that actually went on. (Red is the heaviest color and his painter went crazy!!).
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Darwin N. Barrie
Chandler AZ
www.JDair.com
RV-7 N717EE-Flying (Sold)
RV-7 N717AZ Flying, in paint
EMS Bell 407,
Eurocopter 350 A-Star Driver
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02-08-2016, 01:21 PM
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Join Date: Dec 2008
Location: League city, TX
Posts: 544
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I am about to start on the fuselage and eventually want to take someone with me for a loop or roll. To be certified for acro with two people what is the max empty weight that everyone recommends. I have a friend that just completed his 7 and is restricted to single occupant for acro.
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Mark Malone, RV7
Wings complete, SB 14 complied with, canopy and cowling in progress, Up on the gear.
N442MM reserved
http://www.mykitlog.com/MikeMike
2020 Donation gladly paid..
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02-08-2016, 02:56 PM
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Join Date: Oct 2009
Location: Sydney, Aust.
Posts: 820
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The aerobatic gross is 1600Lbs, so if you factor 150Lbs of fuel, 200Lbs for each of you, you'll need to come in under 1050Lbs. If you drop your fuel to 100Lbs (16Gal) you can have a BEW of 1100Lbs if you both weigh 200Lbs.
Don't forget there is also a rear CG limitation of 84.5" for aero's as well as a weight limit.
__________________
Once you have tasted flight you will forever walk the earth with your eyes turned skywards, for there you have been and there you will long to return - Leonardo DaVinci
My Flickr gallery: http://www.flickr.com/photos/35521362@N06/
RV-9A - Finished on 10th February 2016 after 4 years, 9 months and 19 days! The 1020th RV-9 flying.
First flight 26th March 2016. Essential specs 145KTAS @ 2400RPM, 8000', 24.2LPH, Initial RoC 1800FPM.
Last edited by KRviator : 02-08-2016 at 03:01 PM.
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02-09-2016, 02:44 AM
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Join Date: Aug 2012
Location: SA
Posts: 18
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IO-360, 1060#
My first -7 came in at 1060lbs,
IO-360 (200hp), lightweight catto 3 blade. Garmin G3 panel with autopilot, minimalist interior, reasonably basic paint scheme. It was a tip-up...
Tricks to getting it light? Primed ribs only, not skins. Placed everything as far forward as possible and lightweight prop. Apart from that, the airframe was built according to plans. Perhaps this makes it the lightest 200hp RV7?!
The airframe Vans' supplies is pretty darn light, it is all the other gadgets we builders install that really add up the weight!
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RV7 #1: "Miss Daisy" IO360,Full MGL panel. SOLD
RV7 #2: "Sapphire Mistress" In progress. MGL panel,IO-360E1AD, Whirlwind GA200 prop. Light, Simple and FUN! SOLD
Lancair 235: Fun build. SOLD
Thorp T18C: Restoration underway...
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02-10-2016, 07:37 AM
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Join Date: Dec 2008
Location: League city, TX
Posts: 544
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KRvaitor check your PM
__________________
Mark Malone, RV7
Wings complete, SB 14 complied with, canopy and cowling in progress, Up on the gear.
N442MM reserved
http://www.mykitlog.com/MikeMike
2020 Donation gladly paid..
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