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Turbo Map for TK-0659

 
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JavaJeep-INDONESIA
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1944 Willys Coupe

PostPosted: Fri Jul 29, 2011 1:32 am    Post subject: Turbo Map for TK-0659 Reply with quote

I'm looking for a turbo map for a Garrett TK-0659 aircraft turbo , can anyone advise a link for the turbo map ?
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Tony Gurney
Java, Indonesia

1944/46 MB/CJ2a FrankenJeep F-134 waterproofed HS6 SU carb MSD5 ignition, T90 + Warn overdrive, D18, D25 Lock Right , D44 Detroit Locker , 32"x15" Simex Extreme Trekkers , Warn 8274, full jungle fit out

Now getting a 350 Chev and a unique suspension set up using Boeing 727 undercarriage components
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clay
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1972 Chevrolet Nova

PostPosted: Fri Jul 29, 2011 9:15 pm    Post subject: Reply with quote

Couldn't find a map, can you take it apart and take some measurements on the turbine wheels. The ones I run are chinese knock offs of a Turbonetics near as I can tell. You should be able to take some measurements and I (or you) can look in Garrett's catalogue to find something close to the same measurements and that will at least give you some idea of what you have and place to start. Measure the big diameter and the small diameter on both the compressor and turbine side and let us know what they are. Clay
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JavaJeep-INDONESIA
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1944 Willys Coupe

PostPosted: Sat Jul 30, 2011 1:18 am    Post subject: Reply with quote

Thanks Clay , I'll do that.

When I looked around on the Garrett Turbos website the closest match physically looks to be a T-66.

Garrett sold this particular turbo series to Kelly Aerospace so they don't show any data or maps for it on their web. I can't find a map for it anywhere which is odd.

I'll post some photos over the next few days of the TK-0659

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Tony Gurney
Java, Indonesia

1944/46 MB/CJ2a FrankenJeep F-134 waterproofed HS6 SU carb MSD5 ignition, T90 + Warn overdrive, D18, D25 Lock Right , D44 Detroit Locker , 32"x15" Simex Extreme Trekkers , Warn 8274, full jungle fit out

Now getting a 350 Chev and a unique suspension set up using Boeing 727 undercarriage components
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PostPosted: Sat Jul 30, 2011 11:05 am    Post subject: Reply with quote

I can't find a map for that. I'll keep looking for you.
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JavaJeep-INDONESIA
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Joined: 27 Mar 2006
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Location: Jakarta , Java , Indonesia
2665.12 points


1944 Willys Coupe

PostPosted: Sat Jul 30, 2011 12:15 pm    Post subject: Reply with quote

I've tried doing searches for a few hours today.

Kelly Aerospace sold the turbos to Hartzell Engine Technology where they seem to list the turbos as a TE0659 (not TK)

The original Garrett part number (PN) was 77692 , Hartzell now list them as PN 404460-9002 and call them the 400 series

I can't find any turbo maps under these part numbers , just prices ranging from $2,600 for a rebuilt unit and $10,000 + for a new one

I'm going to the workshop tomorrow so I'll measure the diameter of the impellors and the number of blades.

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Tony Gurney
Java, Indonesia

1944/46 MB/CJ2a FrankenJeep F-134 waterproofed HS6 SU carb MSD5 ignition, T90 + Warn overdrive, D18, D25 Lock Right , D44 Detroit Locker , 32"x15" Simex Extreme Trekkers , Warn 8274, full jungle fit out

Now getting a 350 Chev and a unique suspension set up using Boeing 727 undercarriage components
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Big Dave
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PostPosted: Sun Jul 31, 2011 5:48 pm    Post subject: Reply with quote

Out of curiosity what size motor where these turbos feeding?

You could probably gestimate something looking at the cfm of the aircraft engine. Since air craft engines are like staintionary engines in that, generally, they run at a fixed RPM to maximize cruise.

Working algebraically look at the 366 you have and see at what RPM it's cfm matches the aircraft engine loafing along at 1,800 RPM. That calculation should give you an idea of how good a fit your turbo's are for the 366.

As I recall a Lycoming six cylinder displaced something like 720 cubic inches but red lined at only 2,400 RPM. That should be comparable to your 366 spinning at close to 4,000 wide open to make power.

The Holley carb that Chevrolet used on the 366 was rated at only 550 cfm and it had a governor built into it to limit the RPM of the engine driven off the tach drive from the distributor.

Big Dave
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JavaJeep-INDONESIA
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Joined: 27 Mar 2006
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1944 Willys Coupe

PostPosted: Sun Jul 31, 2011 6:35 pm    Post subject: Reply with quote

Hi Dave

The turbo from a Lycoming TVO-435 (Bell 47 heli) aircraft engine , in its original installation this turbo provides approx 8 psi of boost on a 435 cu in engine at 3,200 rpm

By my calcs (cu in x rpm) it should be sized right for a 366 cu in engine at 3,800 rpm

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Tony Gurney
Java, Indonesia

1944/46 MB/CJ2a FrankenJeep F-134 waterproofed HS6 SU carb MSD5 ignition, T90 + Warn overdrive, D18, D25 Lock Right , D44 Detroit Locker , 32"x15" Simex Extreme Trekkers , Warn 8274, full jungle fit out

Now getting a 350 Chev and a unique suspension set up using Boeing 727 undercarriage components
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Big Dave
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PostPosted: Sun Jul 31, 2011 11:22 pm    Post subject: Reply with quote

That was my gut feeling also. The motor will be able to handle the boost but apparently the waste gate (or some similar device) is referenced to ambient (atmospheric) air pressure to match your boost level to changes in elevation which is great if you are into hill climbs up a small hill like Pikes Peak (14,110 feet) or Mt Evans (14,265 which has on it's slopes the highest paved road in the US at a mere 10,000 feet above sea level), can't really include Cedar Breaks, UH a hill climb because even though you are at about 10,000 feet elevation; it is an ancient sea bed and is pretty flat).

Big Dave
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