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Date: Thu, 29 Jan 2009 23:23:54 -0500
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From: "Douglas Brunner" <douglasbrunner@earthlink.net>
References: <list-3457223@logan.com>
In-Reply-To: <list-3457223@logan.com>
Subject: Re: [LML] Re: Alternative Power Plants
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Sounds exciting.

I would love to have a turbo engine that fits in the Legacy cowl (without a 
bumpout) and allows me to keep my power up in the teens.

Keep us posted

D. Brunner
----- Original Message ----- 
From: "Greg Ward" <gregw@onestopdesign.biz>
To: <lml@lancaironline.net>
Sent: Wednesday, January 28, 2009 2:24 PM
Subject: [LML] Re: Alternative Power Plants


> Hey Doug;
> A lot of questions, some I don't have answers, or only estimates for.  As 
> to fuel efficiency, around 10-12 gph at 75%.  Noise, different, but not 
> much louder due to the turbo.  Conversion costs, again, no idea.  At this 
> point, we have around $15,000 in the Rotary, including fabrication and 
> dyno time. Accessories, maybe another $5-6K.  Cowling is a work in 
> progress, but it won't look like a stock Legacy when we're done.....(:-) 
> Weight and balance should come out (hopefully) pretty close to stock.  We 
> will keep all posted as we proceed.  Suffice to say the main attraction as 
> I said earlier, was 4 total moving parts, higher hp to weight ratio, and 
> running on pump gas, not to mention, cheap rebuild/maintenance costs.
> Regards;
> Greg
>
> ----- Original Message ----- 
> From: "Douglas Brunner" <douglasbrunner@earthlink.net>
> To: <lml@lancaironline.net>
> Sent: Tuesday, January 27, 2009 3:47 PM
> Subject: [LML] Re: Alternative Power Plants
>
>
>> Greg,
>>
>> Very interesting and exciting!
>>
>> A couple of questions:
>>
>> How is the fuel efficiency compared to an IO-550?
>> What is the noise level compared to an IO-550?
>> What would be the total cost of converting from an IO-550 - including 
>> engine, all engine accessories, reduction gear, prop and belly scoop?
>> What will the new cowling look like?
>> What effect does this installation have on weight and balance?
>>
>> D. Brunner
>>
>> ----- Original Message ----- 
>> From: "Greg Ward" <gregw@onestopdesign.biz>
>> To: <lml@lancaironline.net>
>> Sent: Monday, January 26, 2009 7:42 AM
>> Subject: [LML] Re: Alternative Power Plants
>>
>>
>>> Hey All;
>>> Hope this answers some questions.
>>> The engine is a Mazda 20B 3-rotor, with a Garrett 4088 turbo, and as you 
>>> can see, we've fabricated all of the manifolds.  Won't know for sure 
>>> until we dyno the engine next week, but we anticipate a conservative 
>>> 450+ hp at take-off, and to be turbo-normalized to 20,000 ft. +. 
>>> Initially we will be using a Catto 76" (130 deg. pitch) fixed pitch prop 
>>> configured for cruise at around 250+ knots.  Cooling will go into a 
>>> custom belly scoop we have fabricated, along with the oil cooler, all 
>>> with adjustable cowl flaps. Benefits are 4 total moving parts, excellent 
>>> weight to power ratio, dual spark plugs, dual fuel injectors, (one each 
>>> runner), dual oil system with oversize cooler and pan.  Costs on the 
>>> engine thus far have come in around $15,000, and we anticipate around 
>>> 1000+ hours TBO, hopefully, as we are only running the engine at about 
>>> 50% of it's max potential horsepower, and it runs on pump gas or 100LL, 
>>> the computer doesn't care which......(:-).  We are using a RWS redrive 
>>> at 2.85:1 reduction, and Tracy's EC3 computer to make it all go.  We 
>>> anticipate a few bugs, but for the most part it seems pretty solid, 
>>> we'll see.
>>> Greg Ward
>>> Lancair Legacy 20B N178RG in progress
>>>
>>>
>>> ----- Original Message ----- 
>>> From: "Ron Laughlin" <ronlaughlin@gmail.com>
>>> To: <lml@lancaironline.net>
>>> Sent: Sunday, January 25, 2009 8:23 AM
>>> Subject: [LML] Re: Alternative Power Plants
>>>
>>>
>>>> Cool but is there going to be enough room for a radiator?
>>>>
>>>> RonL
>>>>
>>>> On Jan 24, 2009, at 10:04 AM, "Greg Ward" <gregw@onestopdesign.biz> 
>>>> wrote:
>>>>
>>>>> Couple of shots of our engine ready to dyno.  Going into our Legacy 
>>>>> N178RG.
>>>>> Greg Ward
>>>>> Lancair 20B in progress
>>>>> <P1000873 (Medium).JPG>
>>>>> <P1000871 (Medium).JPG>
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