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  #1  
Old 02-06-2021, 04:33 PM
Rob_The_Builder's Avatar
Rob_The_Builder Rob_The_Builder is offline
 
Join Date: Aug 2020
Location: Amarillo, TX
Posts: 9
Default Jet-A Powerplant Input/Advice

Hello Everyone.

I'm going to start building an RV-10 this summer. The Emp kit and Wing kit are ordered!!

As with most of the plane, I have been really thinking through the finished product; avionics, paint, interior, mods, engine, etc. I am really set on having an engine that burns Jet-A or diesel. I'm aware of a few options out there (none that are really available at this time). Continental's Jet-A CD-265, Hawk E-330 Higgs Diesel, and the TP 100 turboprop. I've come across other designs, that haven't seem to have made it to market.

I've been looking at doing an off the shelf v6 3.0L diesel conversion and have found a couple of engines that seem like they might be a good start. I realize there are a lot of considerations to think about when doing something like this, so I'd prefer to go with something that has already been tried and proven. I don't think the Audi diesel that Peter has in his Raptor is the right choice. However a similar approach may be worthy.

To recap my preferences:
Burns Jet-A/diesel
Turbocharged
Single lever control (no mixture)
FADEC (or equivalent) controlled

I realize there are some good options for conventional engines that fit all of those preferences minus the fuel. So, if the right argument could be made, I may consider a gas burner.

I look forward to your suggestions.

Last edited by Rob_The_Builder : 02-08-2021 at 01:06 AM.
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  #2  
Old 02-06-2021, 04:43 PM
Mike S's Avatar
Mike S Mike S is offline
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Location: Dayton Airpark, NV A34
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Default Welcome to VAF

Rob, welcome aboard the good ship VAF
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Rv-10, N210LM.

Flying as of 12/4/2010

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  #3  
Old 02-06-2021, 04:49 PM
sailvi767 sailvi767 is offline
 
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Location: Charlotte NC
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Default

Peter’s engine in the Raptor failed yesterday. He was able to make it back to the runway. A lot of work went into the design and he got less than 10 hours before failure.
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  #4  
Old 02-06-2021, 05:10 PM
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rmartingt rmartingt is online now
 
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The Raptor is hardly a good example of proper development and testing. Indeed, it's a good example of how NOT to do it.
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  #5  
Old 02-06-2021, 05:35 PM
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airguy airguy is offline
 
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Default

I don't believe Continental is selling to the experimental market.

You're probably going to end up rolling your own.
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Built an off-plan RV9A with too much fuel and too much HP. Should drop dead any minute now.
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  #6  
Old 02-06-2021, 05:47 PM
Marc Bourget Marc Bourget is offline
 
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Location: Stockton, California
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Any report on the mechanism of failure in the Raptor engine?
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  #7  
Old 02-06-2021, 05:51 PM
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Carl Froehlich Carl Froehlich is offline
 
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Default

Quote:
Originally Posted by Rob_The_Builder View Post
. SNIP
so I'd prefer to go with something that has already been tried and proven.
If you find a “tried and proven” diesel or turbine option, we will be all ears. As far a I know none exist (at least no option that does not double the price of the plane).

The parallel valve IO-540 can also burn 94UL AVGAS or premium mo-gas, so it will be viable if/when the Green New Deal does away with 100LL.

Carl
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  #8  
Old 02-06-2021, 06:01 PM
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Default Engine

Quote:
Originally Posted by Carl Froehlich View Post
If you find a “tried and proven” diesel or turbine option, we will be all ears. As far a I know none exist (at least no option that does not double the price of the plane).
<snip>
Carl
Problem is it doubles the cost, doubles the labor hours and typically halves the value. Exaggeration of course.
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  #9  
Old 02-06-2021, 07:52 PM
RVDan RVDan is offline
 
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I have to wonder what the OP end goal is other than ditching avgas. To date, it has been demonstrated that the air cooled gas engine provides the best weight to HP ratio ( except for turbines) which only the Rotax 912 series approximates as a liquid cooled engine.
Then there is the proven reliability of the typical aircraft engines.
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  #10  
Old 02-06-2021, 08:18 PM
TS Flightlines TS Flightlines is online now
 
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Location: Ridgeland, SC
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Rob-----if I may throw out alittle advise. Having been involved in several of these non-normal conversions, I can state that you'll be on your own with ALOT of custom fabrication, and probably without alot or any support from the engine manufacturer. Custom engine mount, fuel system, extended tanks, etc are just a few of the issues. Cooling may be a huge headache.

There are aircraft diesels flying, along with small turbines, but again support will be scarce.

Great concept though---

Tom
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Teflon Hose Assemblies for Experimentals
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