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#1
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That could be a solution. A de-rating of the engine and less useful payload.
The new 250hp RR300 turbine in the Robinson R66 is an interesting development and could potentially be a good fit for a turbine conversion for those who have too much money.
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#2
08-06-10, 10:08 PM
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Ul 94
Hi Ernie
Continental "Mobile Al" has made a statement that the TSIO-360 will be approved for UL 94, which is 100LL without the lead. Does not look like a severe problem for our airplanes Jack reims P337 N1049D Malibu N26PG ________ MEDICAL CANNABIS SEEDS Last edited by wybenga : 09-01-11 at 05:41 AM.
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#3
08-07-10, 12:16 AM
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Great news, although it seems to run counter to what I've been reading, if the compression ratio is indeed 8.5:1.
Ernie
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#4
08-07-10, 07:37 PM
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If that's true, it would be great news. I haven't heard anything. TCM seems to be very closed mouth about any of their projects. They tend to come out and say it exists, then you never hear anything about it again.
Karl
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#5
08-07-10, 11:33 PM
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This is basically the story that TCM has been telling the 100LL consortium. Lycoming, on the other hand, is kicking and screaming all the way saying that their engines will not be able to use 94UL. Same compression ratios and similar boost pressure. Go figure
Jack N1049D 1975 Reims P337 N26PG 1990 PA46-350 ________ Headshops Last edited by wybenga : 09-01-11 at 05:41 AM.
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#6
08-09-10, 04:25 PM
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The way I see it, the engine manufacturers are to blame. They have had years to come up with a solution. How long ago was leaded fuel banned? They have just sat on their hands and not explored the alternatives that could have solved this by now. Every time we turn around there seems to be something else that is trying to keep us from having the freedom to fly our aircraft. The other outside vendors that are trying to develop such alternative fuels will have a license to steal if approved. It will ultimately end up costing more money to fly and comply. The world is changing for us. It will kill general aviation as we know it.
I am going to love it as long as I can. Coming soon ........................ SOAPA 2011, stay tuned.
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Herb R Harney 1968 337C Flying the same Skymaster for 47 years
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#7
08-09-10, 10:35 PM
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Mistral
Mistral was developing a rotary (Wankel) aircraft engine, but their funding dried up. It was to be a true multi fuel engine, quite comfortable on 90 Octane unleaded fuel. In fact, the performance charts are based on 90 Octane unleaded. The turbo, 230 HP engine weighs 328 pounds. Not a lot heavier than the IO-360.
The problem with Continental, and Lycoming, is that they don't have an engineering staff, or funding, to bring a lot of new engines to market. Add to that the variable configurations that they make. If they decided they would make a 550, and it would produce 350 HP, and then tell the airframe manufacturers, that is the product, deal with it, the airframe manufacturers would all be up in arms. The 550 is in a lot of different airframes, with power ratings from 280 to 350 HP. Makes no sense.
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