At 05:35 PM 21/01/2008, you wrote:
>Just get a Cessna 150 and put a Lyc O-360 in it.
>
>There is an STC, so no approval problems and there is over 15 years
>experience with it at Kingaroy. Boonah also have one and are
>planning a second.
>
>
>Are they not going ahead with the Subaru powered tug? I have read
>about it in their website, seemed like a good idea, but I have not
>seen any updates there since 2006.
>
>Paul
>
Don't know. I think the second 150 was planned to get a Subaru. This
should have the same approval problems as a V8 Pawnee.
I did talk to Richard Van Grunsven (RV series designer) about it and
he wasn't that impressed by the idea. Lycomings at least have known
problems. After talking about it we both concluded that neither
engine was likely to explode but some accessory was more likely to
stop it. An engine suitable for a homebuilder who tinkers with it to
keep it running well is a different thing from an engine in a tug
where lots of people fly it and it is mission critical for launching
gliders. Direct drive, air cooled engines have their shortcomings but
they are also simple.
Some of the Subaru conversions available as firewall forward kits
were at least as expensive as a Lycoming last I looked.
Mike
Borgelt Instruments - manufacturers of quality soaring instruments
phone Int'l + 61 746 355784
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Int'l + 61 429 355784
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