Pratt & Whitney R-1830-92 

Characteristics :                       
Performances :
14 cylinder two-row air-cooled radial Compression ratio : 6.7
Bore : 139,7 mm Fuel consumption: 240gr/hp/hour
Stroke : 139,7 mm Oil comsumption: 8gr/hp/hour
Displacement : 30 l Power: 1200 hp at 2700 rpm for take-off
Total weight : 567 kg Power: 700 hp at 2325 rpm cruise power
Length: 1500 mm - Diameter: 1220 mm  

Twin Wasp

Status : Uncomplete - private collection. Stored at owner's home.
Engine Pratt&Withney
maintenance on DC3
The Pratt & Whitney R-1830 Twin Wasp was an american aircraft engine widely used in the 1930’s and 1940’s years. Of classic design as a 14 cylinders in two-row air-cooled radial, its first model developed 800hp while the latest versions developed 1200hp.

A total of 173.618 R-1830 was built and they were fitted on famous aircrafts like the C-47 Dakota, PBY Catalina, B-24 Liberator and many others aircrafts.
Dakota (C-53) N49AG
BAPA’s R-1830-92 once powered the Publi-Air’s C-47 registered N49AG in the 1990’s until an engine change declare it non-serviceable.

Given to the Dakota museum at Melsbroek to help at their C-47 restoration, it was eventually given to our association.