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Random picture thread. (Real photos rather than AI please)

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thehangingtree said:
Saw one take off from Edwards AFB. I was miles from it and it looked and took off like a DC-9. Then its nose was pulled up and the 'gas' was hit. In 15 seconds the exhaust glow disappeared in the clear sky overhead!
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It was in 1986 at the Abbotsford air show, one of the first times they were on show outside the USA. Flying slow but not a dogfighter!!! No sharp turns!!
 
1713602917761.png Advice to Tree : check your brake pressure before driving,, after Barb has finished the repairs! :facepalm:

1713602985693.png This looks like a wood gas engine, used in WWII (mainly in occupied territories) as an 'Ersatz' system because of war shortage of normal car fuels. Highly unreliable, and dangerous to explode and spread hot toxic fumes in a collision., that could kill all the occupants
 
Kiduttaja said:
The Douglas A2D had double the power of the D1 by means of a strange twin turboprop arrangement:
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Mentioning double powerbanks :
The German WW2 bomber Heinkel He-177 ‘Greif’ (‘Griffin’), was the only Axis bomber (apart from the four engine Italian Piaggio P108, that hardly has seen production), capable of matching the capacities of planes like the Allied B-17 or Lancaster. Its power system was ‘four engine’, but in order to use it as a dive bomber too (another mad idea of Hitler), two coupled engines drove one four blade propellor.

The He-177 featured some novelties, like remote controlled machine gun turrets (such as would be installed on the American B-29), in order to save the weight and space for gunners, and to increase the structural strength of the hull.

The coupled engines were however a nightmare for maintenance (too cramped space), and had a problem with dissipating heat trough the exhausts. Undesired building up of heat in the engine nacelles caused mixtures of oil spills and dirt to catch fire easily, leading to many deadly accidents with the aircraft.
greif.jpg
 
Loxuru said:
Mentioning double powerbanks :
The German WW2 bomber Heinkel He-177 ‘Greif’ (‘Griffin’), was the only Axis bomber (apart from the four engine Italian Piaggio P108, that hardly has seen production), capable of matching the capacities of planes like the Allied B-17 or Lancaster. Its power system was ‘four engine’, but in order to use it as a dive bomber too (another mad idea of Hitler), two coupled engines drove one four blade propellor.

The He-177 featured some novelties, like remote controlled machine gun turrets (such as would be installed on the American B-29), in order to save the weight and space for gunners, and to increase the structural strength of the hull.

The coupled engines were however a nightmare for maintenance (too cramped space), and had a problem with dissipating heat trough the exhausts. Undesired building up of heat in the engine nacelles caused mixtures of oil spills and dirt to catch fire easily, leading to many deadly accidents with the aircraft.
View attachment 1463259
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Thank you, Lox. I thought I knew a bit about WW2 aviation but I can honestly say that I've never heard of an He 177
 
Wragg said:
Thank you, Lox. I thought I knew a bit about WW2 aviation but I can honestly say that I've never heard of an He 177
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You're welcome, Wragg.
Despite over thousand having been built, its legacy is rather tarnished by the development problems (too many mission profiles vs. expected performances) and particularly the engine fire problems. He-177 was hardly ever used for its primary role, massive bombing attacks, and often, more were lost due to technical problems than by enemy fire.

A particular role, it is best remembered for, was as carrier of anti-shipping radio guided glide bombs.
 
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