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Unusual Avro Lancaster Conversion


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#1 Romantic Technofreak

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Posted 30 December 2016 - 04:50 PM

Hi friends,

 

I stored the attached picture, but don't remember from where. It shows an Avro Lancaster that looks like no other. Especially the cabin roof resembles the one of an airliner.

 

3866396162373632.jpg

 

I should have been more careful about the informations given with this picture, but unfortunately, I wasn't. I thought it would be an easy thing to find out more about this conversion, but Wikipedia about the Lancaster says nothing about it. The original source said this was for testing some kind of wireless equipment, and it was the last Lancaster conversion ever (post-WWII). The antennae makes it look a bit like some insect, I mean.

 

Do you know this conversion? Thank you for answers!

 

Regards, RT



#2 flying kiwi

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Posted 30 December 2016 - 08:37 PM

There were two Lancs converted to this configuration. The dorsal hump is a 1200 gallon fuel tank for proposed aerial refuelling of Tiger Force aircraft, to be used for long range missions against Japan.


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#3 Ricky

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Posted 30 December 2016 - 09:15 PM

How does that 1200 gallons (presumably UK gallons) compare to the normal lanc fuel load?

#4 Heräkulman Ruhtinas

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Posted 30 December 2016 - 09:47 PM

Lancaster BI (Special) SW244
"Long Range Saddle Tank Lanc"
Modified directly after leaving the production line in Nov. 1944.
 
61a3fa83a7f2.jpg
 
And fuel capacity: 
 
2,154 Imp gal (2,586 US gal), plus provision for one or two weapons bays tanks of 400 Imp gal (480 US gal) each

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#5 flying kiwi

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Posted 30 December 2016 - 09:52 PM

How does that 1200 gallons (presumably UK gallons) compare to the normal lanc fuel load?

 

The normal capacity was 2154 gallons. This was on top of that, so 50% more.



#6 Romantic Technofreak

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Posted 31 December 2016 - 03:27 PM

Wikipedia says about the "B.I Special" (couldn't find that before, bec. I was on a different trace): "Two airframes (HK541 and SW244) were modified to carry a dorsal "saddle tank" with 1,200 gal (5,455 L) mounted aft of a modified canopy for increasing range. No. 1577 SD Flight tested the aircraft in India and Australia in 1945 for possible use in the Pacific,[17] but the tank adversely affected handling characteristics when full and an early type of in-flight refuelling designed in the late 1930s for commercial flying boats was later used instead."

 

Last sentence means there had been Tiger Force long range attacks against Japan?

 

Thank you for the answers and Heräkulman for the additional picture. Going to store it as "B.I Special Long Range Saddle Tank Lanc Tiger Force Inflight Refueller".

 

Refuels, ahem, Regards,

RT


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#7 Heräkulman Ruhtinas

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Posted 31 December 2016 - 07:35 PM

Wikipedia says about the "B.I Special" (couldn't find that before, bec. I was on a different trace): "Two airframes (HK541 and SW244) were modified to carry a dorsal "saddle tank" with 1,200 gal (5,455 L) mounted aft of a modified canopy for increasing range. No. 1577 SD Flight tested the aircraft in India and Australia in 1945 for possible use in the Pacific,[17] but the tank adversely affected handling characteristics when full and an early type of in-flight refuelling designed in the late 1930s for commercial flying boats was later used instead."

 

Last sentence means there had been Tiger Force long range attacks against Japan?

 

Thank you for the answers and Heräkulman for the additional picture. Going to store it as "B.I Special Long Range Saddle Tank Lanc Tiger Force Inflight Refueller".

 

Refuels, ahem, Regards,

RT

 

Thanks, there are two other pics in http://www.lancaster...tos_testbed.htm


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#8 flying kiwi

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Posted 31 December 2016 - 10:06 PM

"Last sentence means there had been Tiger Force long range attacks against Japan?"

No. Tiger Force was beaten by the end of the war. All that had happened was planning and some trials. From memory, they also planned to use Tempest IIs.






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