There seems to be only one starter speed:
Proper sequence for starting radial engines...DC-6B style, with P&W
- Engage start and start safety switches.
- Rotate thru 9 blades.
- While continuing to rotate the engine with the starter, engage primer and
ignition boost switches, and at the same time, select magnetos to
- When engine fires, continue starting with the fuel primer
engaged, releasing the start and start safety switches.
- Slowly move
mixture control to the autolean position, then release fuel prime
- Engine continues to run (hopefully).
- Taxi in autolean, until
engine run-up desired.
- Complete run-up and propellor checks in
- Return mixture to autolean.
- Prior to takeoff, ensure engine
mixture controls are in autorich (very important).
Have a pleasant day, thereafter (hopefully). ;-)
DC-3 about the same, except...
- use autorich for all ground ops.
type, P&W R-1830-92.
- Curtis Wright engines...can't remember.
Stratocruiser, same as the DC-6B. DC-7 and Lockheed 1649, same also,
as the DC-6B.
NB. Operating in autolean helps to prevent plug fouling while on the
[Posted by 411A on May 18th, 2008 at pprune.org]