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RV-6A - GBC
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Date: 6-21-2009
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Number of Hours: 0.00
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Manual Reference: Research
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Brief Description: Research engine choices and options
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Last Thurs I attended the discussion group at Brian's hanger (FFZ) and posed some questions about engine selection. Been struggling with this decision for awhile but it came to a head with my decision to order my finishing kit. Can't order finishing kit without speciying the engine. I wasn't sure of that choice when it came time. Like that philosopher said, "When you come to the fork in the road, take it."
I've had an email exchange with Vans support on the issue and thought it was clear. Then had a discussion with some of the local EAA (#228) and thought that was clear. Consideration is between the IO-320 with C/S or Fixed prop, or IO-360 similarly equipped. As a low time pilot and no experience with C/S, it is both a complexity and expense that I don't need/desire.
Vans Engine options as of 6.22.09
Lycoming Textron new engines - OEM through Vans Aircraft
All engines are equipped with roller tappets, dual magnetos,
ignition harness, fuel pump, starter, vacuum pump drive, prop
governor drive, and carburetor/injector. Alternators, exhaust
systems, vacuum pumps, governors, etc. vary according to
aircraft type and are not supplied with new engines.
EXPERIMENTAL ENGINES (v=vertical h=horizontal fp=fixed pitch cs=constant speed
Part no. HP Induction Prop type Cylinders Price
XIO-320-D1A 160HP vert induction fp/cs 4cyl $22,950.00
XIO-360-M1B 180HP horz induction fp/cs 4cyl $24,550.00
A fixed prop is a compromise between bias to cruise or climb. With a bias to best cruise, I think the favor to more HP is important to get better climb in AZ's hot, high, and dry flying. Climb is only a small overall segment of flight time and so a FP 'cruise prop' and HP should balance the two needs.
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