From:
"Al Gietzen" <
alventures@email.msn.com>
>From
what I've gathered from various pilots of planes using IVO is that they
>
get good takeoff and climb performance but maybe not so good cruise.
One
> pilot (Glassair II) described it to me as "hitting a
wall". Improving the
> performance of his engine made no
difference to his cruise speeds. He
> believed that the lack of
pitch change on the inner part of the prop made
> that portion essentially
a "flat plate" (drag) at high speed.
Was this a an inflight
adjustable? The Swings have already found that IVO's
need a different base
pitching for fast aircraft like the Velocity and Glassair,
and I'd bet the
Glassair had the standard blade, which was developed for
slower
aircraft.