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Push-Pull propeller combinations.
On Sep 4, 4:36 am, Bill Kambic wrote:
On Fri, 03 Sep 2010 08:24:47 -0400, Peter Skelton wrote: That a single piston is safer than a twin is a classic of probability theory, taugh in junior high around here (not back in the day though). Peter Skelton As a general rule you put multiple engines on an aircraft 'cause you want to haul a bigger load. The safety issue is more complex because just how you add the additional engines can have significant consequences if one (or more) fail. There's also, however, a question of environment. Aircraft that operate almost exclusively over land are going to have some different considerations than those that operate almost exclusively over water. There the that junior high principle might not be so clear. :-) On my one flight in a Skymaster the "rear engine first" technique was used. Of course if you watch the gauges you can also tell if the rear engine is producing rated power. One place that the push-pull system might just work out well is the seaplane/amphibian. I note that Dornier says it's going to produce a new one in Canada starting later this year (IIRC). It looks like an interesting machine. We'll see how well it does in a very depressed market. Good, thanks for the notice... http://en.wikipedia.org/wiki/Dornier_Seastar The economy is always cyclic, canucks will need that type of thing for commodity developement, of course the Twin Otter is a good deal, we'll need to see the price. Ken |
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