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-   -   Wooden vs. Metal Props (https://www.pprune.org/private-flying/160762-wooden-vs-metal-props.html)

DubTrub 4th Feb 2005 14:20

Kingy: I know you don't have the T any more, but it can be done...but one must almost stall the wings. After stabilising the engine after the climb, throttle must be shut, so as to create the greatest "suction" within the engine, and get back close to the stall, switch the mags off (airframe shakes a bit then).

Once stopped, 60mph glides are great...especially in the summer, with the thermals under those big wings.

To re-start, one "smartly" goes into a dive...no need to wait for the prop to spin, just wait for a "twitch" and then apply a little aft stick. The change in direction (precession?) will cause the prop to ovecome the compression, and the rpm will very quickly go to almost red-line.

Re-establish the glide at 60mph, and let the engine thermally stabilise after the dive for a few minutes, and only then switch the mags on. Warm the engine up slowly, just the same as one would on the ground.

One used to be able to air start with 700' loss. Needless to say, one only ever carried this out at a safe height and over a big runway! and one got quite used to dead-sticking all the way down, but I prefer to air start now.


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