Romanian ARR SM 79 JRS B1

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James A Pratt III
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Joined: 30 Apr 2006 00:08
Location: Texas

Romanian ARR SM 79 JRS B1

Post by James A Pratt III » 23 Sep 2022 20:00

I have questions on the SM 79 JRS B1 in Romanian #201-

How does the bottom or ventral gun position open for firing?

Does anyone have any info on their losses/ They came into service in 1944 and flew against the Soviets and post Aug 1944 flew against the Germans and Hungarians

I know they have different engines what are the other differences between the SM 79 B and B1

Posts: 125
Joined: 18 May 2009 01:33

Re: Romanian ARR SM 79 JRS B1

Post by jbroshot » 24 Sep 2022 04:25

Relying on my ancient (copyright 1959) copy of William Green's Famous Bombers of the Second World War and almost as ancient (copyright 1968) copy of Profile Publication 89 The Savoia Marchetti S.M.79 by Giorgio Apostolo:

Rumania first purchased 24 S.M.79Bs in 1938 which were powered by 2x 1,000hp Gnome-Rhone K.14 radial engines; and later purchased another batch of 24 S.M.79Bs which were powered 2x 1,220hp Junkers Jumo 211Da 12-cylinder inline liquid cooled engines
At the same time as the second batch was purchased a license was acquired to build this version, known as the S.M.79-JR by the Industria Aeronautica Romana in Bucharest
The license built S.M.79-JRs were powered by the Jumo engines, had a redesigned vertical tail surfaces and the ventral gondola was replaced by beam hatches

Looking at the drawings and photos of the S.M.79s in the latter publication I would say the rear part of the ventral gondola was divided into two halves which folded up into the fuselage when opened

I can't lay my hands on my copy of Mark Axworthy et al's Third Axis Fourth Ally Romanian Armed Forces in the European War 1941-1945 to be able answer the question about losses right now

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