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09-07-2017, 07:46 PM
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Join Date: Jan 2005
Location: Irvine, CA
Posts: 873
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Quote:
Originally Posted by vic syracuse
Really wonderful and silky-smooth 4-hour flight in the RV-12 up to KMVN this morning!
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Vic, what was your typical TAS and fuel flow during the trip?
Thanks,
__________________
Mark
RV-12iS Fuselage
RV-9A Project: Sold
VAF donation made for 2020
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09-08-2017, 06:18 AM
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Super Moderator
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Join Date: May 2005
Location: Locust Grove, GA
Posts: 2,626
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Quote:
Originally Posted by rv9builder
Vic, what was your typical TAS and fuel flow during the trip?
Thanks,
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At 5400 rpm I was showing 116-118 knots and fuel burn of 4.7-4.9 gph. That was at gross weight.
Vic
__________________
 Vic Syracuse
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
Kitplanes "Unairworthy" monthly feature
EAA Sport Aviation "Checkpoints" column
EAA Homebuilt Council Chair/member EAA BOD
Author "Pre-Buy Guide for Amateur-Built Aircraft"
www.Baselegaviation.com
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09-08-2017, 06:24 AM
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Super Moderator
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Join Date: May 2005
Location: Locust Grove, GA
Posts: 2,626
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Show the Van's flag
For those of you looking for somewhere to go today or tomorrow, you should come over to the Expo at KMVN. I'm not normally at an aviation event in this part of the country so it would be really nice to meet those of you who are close to here.
I also think it would be great for the attendees here to see the breadth, depth, and loyalty of the Van's builders and pilots. It's a major differentiator from the other Light Sport vendors.
Vic
__________________
 Vic Syracuse
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
Kitplanes "Unairworthy" monthly feature
EAA Sport Aviation "Checkpoints" column
EAA Homebuilt Council Chair/member EAA BOD
Author "Pre-Buy Guide for Amateur-Built Aircraft"
www.Baselegaviation.com
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09-10-2017, 01:31 AM
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Join Date: Apr 2011
Location: Linden, TN
Posts: 79
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Quote:
Originally Posted by vic syracuse
At 5400 rpm I was showing 116-118 knots and fuel burn of 4.7-4.9 gph. That was at gross weight.
Vic
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Figuring 19.8 gallons/4.8 gph = 4.125 hours.... x 117 knots x 1.15 mph/knot = a range of 555 miles. That is about what I would expect, and substantially better than the downgraded numbers (433 miles) that Van's now claims for the RV-12.
__________________
Alan Bishop
Mechanical Engineer
PPL since '66
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09-10-2017, 06:42 AM
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Super Moderator
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Join Date: May 2005
Location: Locust Grove, GA
Posts: 2,626
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Quote:
Originally Posted by AlanTN
Figuring 19.8 gallons/4.8 gph = 4.125 hours.... x 117 knots x 1.15 mph/knot = a range of 555 miles. That is about what I would expect, and substantially better than the downgraded numbers (433 miles) that Van's now claims for the RV-12.
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Perhaps I am reading your post wrong, but there's no way I would calculate "range" assuming dry tanks. That would be a real pucker factor for me. 
I know the regs say we need 30 minutes of fuel remaining for day VFR for planning purposes, but I always land with 1 hour of fuel in the tanks, no matter what I am flying. You just never know if the the ruwway gets closed upon your arrival and you have to divert, or stronger winds than forecast, etc.
That's just my practice and in no way meant to be judgmental of others.
Vic
__________________
 Vic Syracuse
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
Kitplanes "Unairworthy" monthly feature
EAA Sport Aviation "Checkpoints" column
EAA Homebuilt Council Chair/member EAA BOD
Author "Pre-Buy Guide for Amateur-Built Aircraft"
www.Baselegaviation.com
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09-10-2017, 09:49 AM
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Join Date: Jan 2005
Location: Kentucky Lakes area in KY
Posts: 947
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Quote:
Originally Posted by vic syracuse
Perhaps I am reading your post wrong, but there's no way I would calculate "range" assuming dry tanks. That would be a real pucker factor for me. 
I know the regs say we need 30 minutes of fuel remaining for day VFR for planning purposes, but I always land with 1 hour of fuel in the tanks, no matter what I am flying. You just never know if the the ruwway gets closed upon your arrival and you have to divert, or stronger winds than forecast, etc.
That's just my practice and in no way meant to be judgmental of others.
Vic
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Hear hear!! It has only happened to me once, but the pucker factor is very uncomfortable when you calculate fuel down to the last 30 minutes, and then something unforscene shows it ugly face. It's a minimum one hour of fuel remaining for me as well. ..............Tom
__________________
2013- RV12, Kit #119. N123M First flight Nov21. It's a keeper!
1998- RV-9 tail kit, built and sold
1989- RV-6 tail kit, built and sold
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09-10-2017, 10:18 AM
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Join Date: Apr 2017
Location: Chattanooga, TN
Posts: 60
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How is the LSA expo? Good turn out?
__________________
Air Traffic Controller FAA
Instrument Pilot
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09-10-2017, 10:47 AM
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Join Date: Jan 2005
Location: Kentucky Lakes area in KY
Posts: 947
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Quote:
Originally Posted by Steenos
How is the LSA expo? Good turn out?
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I think this is year nine, and the best turnout that I've seen so far.
__________________
2013- RV12, Kit #119. N123M First flight Nov21. It's a keeper!
1998- RV-9 tail kit, built and sold
1989- RV-6 tail kit, built and sold
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09-10-2017, 01:54 PM
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Super Moderator
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Join Date: May 2005
Location: Locust Grove, GA
Posts: 2,626
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I thought it was a pretty good turnout, but to be fair it was my first time at this one. I think it will grow in the future as word gets out. Personally, I liked the "slower" pace as I felt I could spend more quality time with each interested party.
Vic
__________________
 Vic Syracuse
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
Kitplanes "Unairworthy" monthly feature
EAA Sport Aviation "Checkpoints" column
EAA Homebuilt Council Chair/member EAA BOD
Author "Pre-Buy Guide for Amateur-Built Aircraft"
www.Baselegaviation.com
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09-10-2017, 03:36 PM
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Join Date: Apr 2017
Location: Chattanooga, TN
Posts: 60
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Quote:
Originally Posted by vic syracuse
I thought it was a pretty good turnout, but to be fair it was my first time at this one. I think it will grow in the future as word gets out. Personally, I liked the "slower" pace as I felt I could spend more quality time with each interested party.
Vic
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I still need to come down to the Vihlen's and meet you!
__________________
Air Traffic Controller FAA
Instrument Pilot
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