Good Reason to have a 337
 

This past week there was a fatal crash of a Cessna T210 at Piper Memorial Airport less than 500 yards from runway. The pilot called for airport info just miles away with 3 on board. Seconds later he crashed in the street just a few seconds from runway. There where reports from the ground that the plane trailed smoke the engine sputtered and the prop stopped before impact. Before impact he lined up with street below but the wing contacted a pole, tore off wing spun around, hit the ground and caught fire. All three on bourd were killed. I flew out there and got the info first hand, because the News station here got it all wrong. This would not have happened if it had the second engine like a 337. I love my 337 ever more now.

I don't think it matters how many engines you have if you run out of gas.
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BMW 5 SERIES HISTORY

No fuel = no post crash conflagration.

T210 Crash
 

The signs of smoke before engine quit, was more than likely a engine failure. The cowl on pilot side had 2 large holes indicating something blew out the side of the engine or a jug blew off. I think it had fuel because the fuslage and wing that stayed attached burn up.

Unusable fuel is 4 gallons in that airplane. Thats a lot of gas. I don't know why he crashed, it seems weird that he would be calling the fbo for fuel after 2 hours of flight.
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Silversurfer reviews

I saw the aftermath of a Piper Navajo that was fueled with Jet A instead of 100 octane. The thermal coefficient of jet fuel is greater than av-gas.

Fuel Energy Content vs. Density
Fuels differ in density, and therefore, in
energy content per unit weight or unit
volume. Less dense fuels, such as avgas,
have a higher energy content per unit
weight and a lower energy content per
unit volume. The relationships are reversed
for more dense fuels.
Gravimetric Volumetric
Fuel g/mL lb/U.S. gal MJ/kg Btu/lb MJ/L Btu/gal
Aviation Gasoline 0.715 5.97 43.71 18,800 31.00 112,500
Jet FuelWide-cut 0.762 6.36 43.54 18,720 33.18 119,000
Kerosine 0.810 6.76 43.28 18,610 35.06 125,800
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Opel straight-6 engine

T210 NTSB Accident Report
 

Well the T210 fatal accident in Lock Haven, Pa according to the NTSB was a total engine failure just short of airport, not a pilot error on the fuel exhaustion.