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  #1  
Old 11-12-2017, 08:08 AM
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EG33-Glasair EG33-Glasair is offline
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Subaru EG33 breaks the class speed record

On November 11, the Sport Air Race League held the last race of the 2017 season. We have been racing our Subaru SVX EG33 powered Glasair all season and have been getting faster with every race. This race we dialed in a little more RPMs, 5250 instead of our normal 5100. We kept this power setting for the entire 43 minute race. Our average speed was 261.60 MPH Ö this speed set a new class speed record, yippee!!!
I may be biased here, but I think that Subaru put a great engine in the SVX Ö too bad they stopped making them.
Russell Sherwood
Subaru EG33 powered Glasair
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  #2  
Old 11-12-2017, 03:57 PM
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Re: Subaru EG33 breaks the class speed record

Congrats Russell! Well done.
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  #3  
Old 11-13-2017, 05:28 AM
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Re: Subaru EG33 breaks the class speed record

Congrats!, and thanks for posting.....I believe most here will agree that Subaru put a great engine in the SVX
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  #4  
Old 12-09-2017, 04:36 PM
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Re: Subaru EG33 breaks the class speed record

Thats awesome
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  #5  
Old 12-10-2017, 07:44 AM
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Re: Subaru EG33 breaks the class speed record

What altitude were you flying at? Turbocharged or NA?
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  #6  
Old 12-11-2017, 04:07 AM
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Re: Subaru EG33 breaks the class speed record

Quote:
Originally Posted by SVXRide View Post
What altitude were you flying at? Turbocharged or NA?
Racers are free to choose any altitude that wish, most of us race at 500 to 2000 AGL.
Our EG33 is naturally aspirated and of course we lose manifold pressure (vacuum) as we go higher.
We have about a dozen YouTube videos posted but I like this one because it is only 6 seconds long. https://www.youtube.com/watch?v=6T9xFf97E-s My wife was going to tape our flyby but she was chatting with friends and didnít hear our radio call and only got the last part of this pass.
Russell Sherwood
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  #7  
Old 12-18-2018, 07:23 PM
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Re: Subaru EG33 breaks the class speed record

What mods to the engine other than the gearbox/prop accessories? That I take manifold is cool, is it a one-off manufactured item? What engine management? Estimated power on your setup?
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  #8  
Old 01-03-2019, 07:37 PM
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Re: Subaru EG33 breaks the class speed record

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Originally Posted by sd2649 View Post
What mods to the engine other than the gearbox/prop accessories? That I take manifold is cool, is it a one-off manufactured item? What engine management? Estimated power on your setup?
Steven, you are correct the intake is a custom one-off that I made. The factory one stood too high and weighs about 12 pounds more. The exhaust is also my own custom build. The gearbox is a Marcotte from Quebec with a 1.93:1 ratio. Engine management is Subaru stock from the SVX. The engine is stripped of many items that are unnessary in an aircraft. During races it consumes about 16 gallon per hour so I think it is making 200 to 210 HP.
I recently posted this YouTube video https://www.youtube.com/embed/6VGnkvkguRE
Russell Sherwood
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  #9  
Old 01-03-2019, 07:40 PM
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Re: Subaru EG33 breaks the class speed record

Quote:
Originally Posted by EG33-Glasair View Post
Steven, you are correct the intake is a custom one-off that I made. The factory one stood too high and weighs about 12 pounds more. The exhaust is also my own custom build. The gearbox is a Marcotte from Quebec with a 1.93:1 ratio. Engine management is Subaru stock from the SVX. The engine is stripped of many items that are unnessary in an aircraft. During races it consumes about 16 gallon per hour so I think it is making 200 to 210 HP.
I recently posted this YouTube video https://www.youtube.com/embed/6VGnkvkguRE
Russell Sherwood
I forgot to mention that we have run this Glasair/EG33 in twenty two air races.
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  #10  
Old 01-03-2019, 08:52 PM
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Re: Subaru EG33 breaks the class speed record

Very nice!
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