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Wright and Pratt powered DC-3 differences.
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Author:  N3Njeff [ Mon Aug 09, 2010 2:18 pm ]
Post subject:  Wright and Pratt powered DC-3 differences.

Can anyone tell me for sure if the engine change differences were all firewall foreward????

Author:  Mark_Pilkington [ Fri Sep 24, 2010 9:25 pm ]
Post subject:  Re: Wright and Pratt powered DC-3 differences.

N3Njeff wrote:
Can anyone tell me for sure if the engine change differences were all firewall foreward????


The original civil pre-war DC-3's were built with Wright 1820 Cyclones as a follow on from the DC-2 but quickly became available with P&W 1830 Twin Wasps, and I suspect those were only firewall foreward changes.

However most Cyclone powered survivors today would be pre-war or wartime civil DC-3's whereas most Pratt powered survivors (ie the vast majority) are wartime C-47's either as freighters retaining their cargo doors or modified into passenger configuration with passenger door conversions, however they would retain the strengthened floor , underwing hardpoints, glider tow ring etc and all the other C-47 modifications from the basic DC-3.

The C-47B has a particularly different nacelle structure for the high altitude Pratt, although few seem to still carry them?

Regards

Mark Pilkington

Author:  K5DH [ Sun Sep 26, 2010 9:52 am ]
Post subject:  Re: Wright and Pratt powered DC-3 differences.

Contact the Pacific Prowler guys. They operate a Wright-powered ship (The Southern Cross) and are currently restoring two Pratt-powered ships (a D-Day veteran and a Pacific veteran).

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