January 1st 04, 07:10 PM
On 1-Jan-2004, "Ron Natalie" > wrote:
> > I have about twenty hours behind a 912 and two forced landings already.
> > It sure would be nice not depending on a single powerplant.
> > Are two 40 hp engines unable to do the work of a 80hp?
> >
> The question is will the aircraft fly on one 40HP engine when it really
> requires 80HP. Most ultralights don't have much excess power.
> The second engine, as they say, takes you to the scene of the crash.
This is particularly true if the propellers cannot be feathered. The drag
of a windmilling prop driving a dead engine is enough to bring down even
high performance twins.
--
-Elliott Drucker
> > I have about twenty hours behind a 912 and two forced landings already.
> > It sure would be nice not depending on a single powerplant.
> > Are two 40 hp engines unable to do the work of a 80hp?
> >
> The question is will the aircraft fly on one 40HP engine when it really
> requires 80HP. Most ultralights don't have much excess power.
> The second engine, as they say, takes you to the scene of the crash.
This is particularly true if the propellers cannot be feathered. The drag
of a windmilling prop driving a dead engine is enough to bring down even
high performance twins.
--
-Elliott Drucker