PPRuNe Forums - View Single Post - Fuel fraction - the worst offender ?
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Old 28th Oct 2017, 20:57
  #15 (permalink)  
gums
 
Join Date: Jun 2009
Location: florida
Age: 81
Posts: 1,611
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Salute!

I vote for the Double Ugly, AKA Phantom.

That thing needed to hit the tanker going and coming and sometimes if it had to hold at the target area - CSAR, support of the grunts and etc.

So we get to Thailand in 1972 with our Sluf and it sipped gas. We normally took two x 300 gal drops for maybe 13,000 pounds of gas at the roll. Then 10 x 500 pounders uless computed roll was over 85% of the runway. Combat radius of about 350 - 400 n.m with plenty leftover.

So one day a flight had to land at Udorn due to bad WX or closed rwy at home plate. after refueling and taxi, they had to hold. After a few the tower asked what their abort time was. Huh? It was a Phantom thing. The intrepid flight leader looked down and noted about 12,000 pounds of gas or so and a fuel flow of 500 - 1000 pounds per hour. Figure 200 miles to Korat burning about 1500 -2000 pounds per hour, maybe 7 pounds per mile with climb included. So he advises tower that he didn't quite unnerstan the abort fuel thingie, but they could sit there for another 7 or 8 hours!

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