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  #16  
Old 01-31-2006, 11:44 AM
Buly Buly is offline
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Default Vacuum

John, get rid of the vacuum. It sucks!
Following your R&D closely
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  #17  
Old 01-31-2006, 01:09 PM
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Quote:
Originally Posted by John Slade
Geesh! Why didn't someone mention that before I bought this pretty chrome $125 manual one.

Then again... the last think I need is more switches, buttons and lights.
I've used the simple air regulators for 20+years in race cars and aircraft for WG control. Work fine, never fail which is more than I can say about some electronic WGCs I've seen over the years.
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  #18  
Old 01-31-2006, 10:48 PM
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My son bought that same exact valve a few months ago for his RX-7.
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  #19  
Old 02-02-2006, 10:46 AM
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Quote:
get rid of the vacuum. It sucks!
Sure does! Very nicely, thank you. I may be old fashioned, but I like my standard T of round gauges.

Great news for anyone following the saga...
I figured out how to install the smog pump above the turbo (on the stock lugs, no less). The pump will need a bit of "adjustment" to get the fittings under the cowl, but it can be done with a little help from the aluminum glue guy.

Now - does anyone know where I can get 1.5 and 3 inch 321 stainless exhaust tube without sending my firstborn to Burnsstainless.com ?

I may have room for a Spintech muffler!
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  #20  
Old 02-02-2006, 11:48 AM
Buly Buly is offline
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How much do you need, and what are you doing with the 1.5"?
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  #21  
Old 02-02-2006, 05:31 PM
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About 2 feet of each. The 1.5 is for the wastegate exhaust.
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  #22  
Old 03-01-2006, 12:10 AM
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Default Deep Throat lives

A quick update:
The T04 Installation is complete. I've attached a few pictures. It took two weeks of almost solid work. I made a fiberglass intake pipe to the plenum, added length to the intercooler pipe, changed the oil and water feed and drain hoses and fittings, fitted the boost controller and vacuum hoses and installed a 3 inch exhaust with a Y from the wastegate. The exhaust is "kinked" slightly to line it up with the hole in the cowl. This was done by cutting a wedge out of the pipe, bending it and welding it closed again. I ended up cutting off the huge wastegate flange that came on the manifold and having the proper flange for the TIal welded on in it's place. The new heat shield (not yet installed) extends further aft to protect the cowl and has an air gap between it and the cowl for insulation.

All that remains now is a little "adjustment" of the heat shield, fine tuning of the boost controller, some more taxi testing, and she'll be ready to fly. Unfortunately I'm going out of town for a couple of weeks, so the testing will have to wait. At least I wanted to fire her up before leaving. Buly flew in (in a 172) for final inspection of the installation, then I was ready.

I followed the instructions from AGPturbo very carefully. They tell you how to pre-oil the bearings, build up the oil pressure before starting, then they give advice about bedding the turbo in. They suggest idling the engine for 15 minutes, check for leaks, then drive normally for at least 100 miles before "beating the crap out of it". Really! That's a direct quote from the instruction sheet. I guess they accept that the people who buy these turbos are buying them for exactly that purpose.

I pushed the plane back and started her up. The difference in exhaust sound was immediately noticable. It's a much deeper tone now. Not louder, but definately "throatier". I let her settle back to idle. The engine seemed very smooth idling steadily at about 750 rpm. With AL holding onto the canard to make sure she didnt go anywhere, I got out and, for the first time, walked around the plane while it was running. I took a short video which is posted at http://canardaviation.com/cozy/idling.mov for anyone who'd like to hear the sound and get a look at how true a spinner can be

More in a few weeks
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Last edited by John Slade : 03-01-2006 at 12:26 AM.
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  #23  
Old 03-01-2006, 01:18 PM
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Good job. Can't wait!

Not sure about these break in procedures. What is there to break in? Well, won't hurt anything, just try your patience a bit more. Luckily 100 miles does not take long in a turbo Cozy.
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  #24  
Old 03-01-2006, 01:24 PM
deuskid deuskid is offline
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WAY kwel
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  #25  
Old 03-01-2006, 05:52 PM
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  #26  
Old 03-01-2006, 06:20 PM
ShaleDC ShaleDC is offline
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John,

It would be really cool if you published the dimensions of your beast, so that the rest of us (well actually just me) could start planning on how to fit it in our totally redesigned cowling.
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  #27  
Old 03-01-2006, 09:32 PM
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Quote:
if you published the dimensions of your beast
I could do that, but no one would believe me.

Which measurements in particular are you looking for, Shale?

Quote:
Luckily 100 miles does not take long in a turbo Cozy.
It will if I do it up and down the taxi way. I would have thought that a take-off would count as "beating the crap out of it" compared to typical street use.
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  #28  
Old 03-02-2006, 02:26 AM
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Kumaros Kumaros is offline
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Good though short video and beautiful sound!
May we expect another one with the rotary in full song?
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  #29  
Old 03-02-2006, 02:46 AM
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i tryed to down load but it stuck at 1/2 way, 3 times,?
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  #30  
Old 03-02-2006, 10:31 AM
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Quote:
Originally Posted by Steve parkins
i tryed to down load but it stuck at 1/2 way, 3 times,?
The same thing happens to me.
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