KDTWflyer
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What GA Plane Has Highest 100LL Cap?

Sun Jul 09, 2006 11:16 pm

What general aviation plane out there carries the most 100LL fuel? My guess would be a twin of some kind but I don't know.
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SlamClick
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RE: What GA Plane Has Highest 100LL Cap?

Sun Jul 09, 2006 11:20 pm

Well, I pumped 3350 gallons of it into a P-2V Neptune one day.

Not exactly GenAv but it was no longer military either.

The DeHavilland Beavers with the internal wingtip tanks carried 95 gallons under the cargo deck and another 43 in the wing tips for a total of 138 US gallons. I think that is correct, within a couple of gallons or so.
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411A
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RE: What GA Plane Has Highest 100LL Cap?

Mon Jul 10, 2006 4:25 am

So far as I know, the Cessna 404 has the largest fuel (avgas) capacity amongst general avaation aircraft...385 gallons (give or take) as I recall.
This provides a 10 hour endurance, at long range cruise power settings.

Why so much?

The same wing, with very minor alterations, was used on the turbine powered Cessna 441 Conquest.

The 441 Conquest, by the way, is capable of non-stop coast to coast operation (eastbound), many times faster than a LearJet 23/24, which required a fuel stop enroute.
 
SlamClick
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RE: What GA Plane Has Highest 100LL Cap?

Mon Jul 10, 2006 5:31 am

Quoting 411A (Reply 2):
So far as I know, the Cessna 404 has the largest fuel (avgas) capacity amongst general avaation aircraft...385 gallons (give or take) as I recall.

I had forgotten the 404, one of my favorite airplanes. I figured that in the C-404 I could go from San Diego to Bermuda with one stop for fuel. One day I came back from lunch to find that I was scheduled for the 404 which was just out of a 100-hour. The mechanic taxiied it to the fuel stand where the line guy asked him how much fuel they wanted in it. The mech said "I don't know. Fill it up." The normal load was about 800 lbs for this route and this was well over two thousand.

Well I had nine passengers scheduled and needless to say I did not carry them. I think I was able to take three pax about eighty miles. It was several round trips before I could take full pax, and two days later before we had to add gas again.
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2H4
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RE: What GA Plane Has Highest 100LL Cap?

Mon Jul 10, 2006 6:58 am



Quoting 411A (Reply 2):
So far as I know, the Cessna 404 has the largest fuel (avgas) capacity amongst general avaation aircraft...385 gallons (give or take) as I recall.

The Piper PA-31T-620 XL Cheyenne II XL comes pretty close at 382 gal:






...But if my sources are accurate, the Piper PA-42 Cheyenne beats it with a capacity of 580 gallons:






2H4


Edit: Blast...I just realized it was about 100LL. Disregard...  blush 




[Edited 2006-07-10 00:04:17]
Intentionally Left Blank
 
Gib
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RE: What GA Plane Has Highest 100LL Cap?

Mon Jul 10, 2006 7:37 am

Quoting SlamClick (Reply 3):
Well I had nine passengers scheduled and needless to say I did not carry them. I think I was able to take three pax about eighty miles. It was several round trips before I could take full pax, and two days later before we had to add gas again.

HILARIOUS!
 
KELPkid
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RE: What GA Plane Has Highest 100LL Cap?

Mon Jul 10, 2006 3:04 pm

I recall squirting over 100 gals. of 100LL into a Piper Malibu Mirage one day...Probably takes top honors for a single. The Cessna 310 also holds vast quantities of the blue stuff, 158 amongst all 6 tanks!

Hey, how about the old Cessna crop dusters? I was once told that the chemical hopper, if cleaned thoroughly, could be used as an auxilliary fuel tank (and that's how the factory would ferry them, sans radios and with basic VFR instrumentation, to their customers in one hop from the factory).
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411A
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RE: What GA Plane Has Highest 100LL Cap?

Tue Jul 11, 2006 2:45 pm

If we look at large 4-engine piston transports, rather large quanties of avgas were required, for long range flights.

The first long ranger was, of course, the Stratocruiser, with 7800 gallons, or so.

The largest capacity amongst civil designs was the 1649 Constellation, with 9800 gallons.

I had the opportunity of flying both types as a First Officer.

With both types, oil quantity was VERY important.
Each had a center oil tank/pump installation, which enabled center tank oil to top up each engine oil tank, in flight.

All done by the Flight Engineer...which enabled the pilots to not be interrupted reading the newspaper.
Navigation?
Done by the navigator, of course.

All we did in the front seats was point it in the right direction...and, of course, takeoff and land once in awhile.

Both types were capable of cruising quite high...low to mid twenties, altho the Stratocruiser could go higher as it had (in addition to engine superchargers) turbo chargers as well.
A very advanced airplane for its time.

[Edited 2006-07-11 07:51:16]
 
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TripleDelta
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RE: What GA Plane Has Highest 100LL Cap?

Tue Jul 11, 2006 5:41 pm

The An-2 has a fuel capacity of about 310-320 gallons, to cater for the 40 GPH-burning radial.
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