Bristol 170 Freighter
- CountryUnited Kingdom
- TypeShort range freighter/utility transport
- PowerplantsMk31 - Two 1475kW (1980hp) Bristol Hercules 734 14-cylinder sleeve valve radial piston engines driving four blade propellers.
- PerformanceMk31 - Max cruising speed 311km/h (168kt) at 10,000ft, economical cruising speed 262km/h (141kt). Range with max payload 1320km (715nm), range with max fuel 2785km (1505nm).
- WeightsMk31 - Empty 12,247kg (27,000lb), max takeoff 19,958kg (44,000lb).
- DimentionsMk31 - Wing span 32.92m (108ft 0in), length 20.83m (68ft 4in), height 6.56m (21ft 6in). Wing area 138.0m2 (1487sq ft).
- CapacityMk31 - Payload of 5670kg (12,500lb), or alternatively seating for 15 to 23 passengers, depending on configuration. Mk32 - could seat up to 60 passengers.
- ProductionTotal Bristol 170 production 214 aircraft. In late 1998 one example was in commercial service in Canada with Hawkair Aviation Services in British Colombia who was restoring a second machine.
Configuration of the Bristol Freighter started in 1944 in foresight of interest for a tough air transport and vessel once Ww2 was over, in addition to potential military necessities.
Bristol's Type 170 began as a private wander plan and was produced under the administration of specialized chief L G Frise (who additionally planned the Frise aileron). Configuration gimmicks of the 170 incorporate its section sided fuselage, settled taildragger undercarriage, clamshell style nose entryways, raised flightdeck, and a moderately extensive wing of two fight development with cleared back heading edge and straight trailing edge. As initially proposed the 170 was to be fueled by enhanced sleeve valve Bristol Perseus radials.
The 170 soon got the British Air Staff's consideration which considered the configuration appropriate for utilization in the India-Burma theater convey supplies and vehicles to wilderness strips. Two models were requested with a somewhat augmented fuselage and all the more effective Hercules 630 radials.
The 170 made its first flight from Filton on December 2 1945 keeping in mind it was so late it would have been impossible be requested into creation for military administration in Ww2 the sort's potential had been showed. The second model, arranged in 32 seat Wayfarer carrier structure (without the nose cargo entryways) flew the accompanying April. Common certificate was conceded in June 1946.
Early generation was of the Mk1 Freighter and Mk2 Wayfarer. The Mk11 (later the Mk21) was divulged at the 1947 SBAC airshow and presented adjusted wingtips and all the more compelling Hercules 672 motors, permitting an expand in horrible weight of 1360kg (3000lb). The Mk31 presented all the more capable motors and stayed in creation until 1950.
The last 170 model is the Mk32, created at the appeal of Silver City Airways. The Mk32 offered a protracted nose which permitted it to convey three autos, instead of two, in an auto ship design.
The last flight of a Bristol 170 was made on September 6 2004, when Hawkair Aviation carried C-GYQS to the Reynolds Alberta Museum in Wetaskiwin, Alberta, Canada.
Pictures of Bristol 170 Freighter
