Jim Meade Posted June 23, 2012 Report Share Posted June 23, 2012 I've been curious how the CTSW would handle with the engine off. In 40 years of flying, I've never shut an engine off in flight except in twins - and then I always had one on. I've done plenty of zero thrust or idle but no engine out. So, the other day I took off and flew to a local non-towered airport that was pretty quiet and had two good runways, one right into the prevailing wind which was about 10G15 as I recall. At 2500 over the airport, I did a couple of mag checks. Very straightforward. So, I pulled the throttle to idle and shut it off. It took about 5 seconds more or less for the engine to stop. The propeller stopped, too. For all the following attempts the propeller always stopped. On a couple of occasions the prop would turn a blade, but that was it. I gave it a few seconds and restarted. No problem. Start at idle and advance the throttle. No choke used. Engine came right on and right on up to speed. The next time, I decided to do a dead stick landing. I entered a normal downwind, set up my speeds and flaps as usual, and then pulled the throttle to idle and turned the key off. I am a commercial glider pilot and CFI-G so I wasn't worried about flying with no engine. I'm current in gliders. I had gone out a month or so ago and done some soaring at idle in the CTSW My pattern altitude was about 1,000 feet (higher than I usually fly but, hey!...). on downwind, I slowed down and used 15° flaps. I left them on for most of the landings. I did three dead stick landings on the favored runway, then went over and did two or three more on the croswind runway. 60° crosswind. The plane handled in a very straightforward manner. I pitched for 65 kias for most of the pattern, then slowed on final and landed about like I always do. I didn't look at the ASI so hesitate to say what my touchdown speed was. One one landing, I was pretty high and on final went to 30° flaps. The plan gives the impression of a pretty steep descent when you are on those flaps with no forward propulsion at all. One another landing, I turned the engine back on on short final. I'm not sure why I did that and am not suggesting it was a good idea. Making a big change that close to the runway is not something I'd advocate, so I won't do it again. I only say it because it was a non-event to get the engine back on at idle and did not generate any unusual control or pitch attitudes. Again, I will not make this big a change close to the runway again. There are two lightly used, good airports not too far from each other. One of these days, I'm going to get up pretty high, maybe even 10k, and shut the engine off and see what the glide ratio turns out to be. The longest I had the engine off was the time it took to glide a normal pattern from 1,000k at downwind to landing. What would that be, a couple of minutes? In every case the engine shut off quickly and smoothly and started immediately. I'm burning 91 octane mogas. The plane is just out of condition inspection, so has new plugs and everything is working smoothly to the best of my knowledge. I am posting this experience for the benefit of any who may be curious as to how the airplane handled in one situation. I am not advocating that you go out and do this. If you do want some experience, it might be good to go with a CFI who has some training and experience. Link to comment Share on other sites More sharing options...
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