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| Powered autogyro versions of the auto-kites have been developed simultaneously, the first of these being the B-7M which flew for the first time on 6 December 1955. This was followed on 8 July 1957 by the first B-8M (M = motorised) and by the first production B-8M on 9 October 1957. The B-8M is normally powered by a 72hp McCulloch piston engine. Optional features include a 90hp McCulloch engine and a mechanical rotor drive enabling the autogyro to make jump starts. A float version of the B-8M is known as the Hydro-Copter. K.Munson "Helicopters And Other Rotorcraft Since 1907", 1968
Technical data for B-8M
Engine: 1 x McCulloch Model 4318 pistone engine, rated at 54kW,
main rotor diameter: 6.1m,
fuselage length: 3.45m,
height: 1.19m,
take-off weight: 227kg,
empty weight: 112kg,
max speed: 137km/h,
cruising speed: 72km/h,
service ceiling: 3810m,
range: 161km
| kiran, napstervkk(@)gmail.com, 20.04.2009 will u send me model sketch of your project let me know something about your project please | | Jonathan Kuehne, jpkuehne(@)earthlink.net, 19.04.2009 There is a company in Texas that still supplies many if not all parts for these engines, and may even offer completely rebuilt engines as well. R&D Aeronautical Engineering Co Inc. This guy is out of Caddo Texas 900-527-2006 They have a manual of sorts, and a printed parts list that are well worth having. Also search the net for Skeet Wynans, who flys a Hummelbird behind one of these. There's some pretty good YouTube clips of him at Copperstate | | Chris Ivins, cjreptiles(@)comcast.net, 12.04.2009 Does anyone know where to find parts for the 4318? or a manual? | | Ron, mxair(@)nwi,net, 12.02.2009 I need parts for a 4318, 72 hp McCulloch engine. Mag and prop hub would be good for a start. | | terry, tparks(@)hotsheet.com, 01.01.2008 i have a mcculloch 4318 engine. having hard time starting. where can i find a service manual,what spark plugs it take? gap setting. find parts. thanks terry | | Matthew cody, codyirondesign(@)yahoo.com, 25.11.2007 I am interested in info on the McCulloch engine, I have one and would like to find a project for it thanks |
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Do you have any comments concerning this aircraft ?
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