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  #1  
Old 01-18-2006, 12:36 PM
John Slade's Avatar
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Default Installing a T04 turbo on a rotary

It's here!

T04-50 P trim, 0.96 AR
TXS-HPBC boost controller
TIAL46 Wastegate
Ceramic coated housing
Big Shaft

The instructions say to "allow approximately 100 miles driven under normal conditions BEFORE "beating the crap out of it".

Really! Thats what they say, word for word.

Let me see. 100 miles. That would be about 12 times around the pattern.

Now all I need is a manifold, and about 4 full days down at the hangar.....
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  #2  
Old 01-18-2006, 12:42 PM
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how bout a side by side pic of the old and the new?
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  #3  
Old 01-18-2006, 12:52 PM
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OK, when I got the old one off. I'll also do a weight comparison. The weight of the shipping package was 25lb, so it's not that much heavier. I think it'll sit further forward, so it may not impact my C of G very much.
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  #4  
Old 01-18-2006, 02:12 PM
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Excellent! May the force be with you.
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  #5  
Old 01-18-2006, 02:19 PM
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Quote:
May the force be with you
Thanks. It seems that, in this business, if the force isn't with you....you just buy some more force.
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  #6  
Old 01-18-2006, 09:41 PM
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Default Better Idea

John,

I've got a better idea. Instead of taking the old one off( since it's doing so well) Just send me the other one back . I promise I will baby it as well as you have taken care of mine! That will save you all that work on the manifold and all. A Win Win for both of us

Bob
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  #7  
Old 01-18-2006, 10:25 PM
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Quote:
Originally Posted by 1286
John,
A Win Win for both of us

Bob
1286 - what a kind thoughtful man you is
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  #8  
Old 01-18-2006, 10:43 PM
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Quote:
That will save you all that work on the manifold and all.
Yea, but then you'd have to do it. I wouldn't put more work on a fellow builder like that.
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  #9  
Old 01-30-2006, 04:23 PM
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I spend the morning doing a trial fit of the new T04 turbo.

Good news:
1. The new turbo will fit without any modifications to the cowl/s
2. The T04 is 5lbs lighter than the stock T03
3. The XS Power manifold (ebay - $99) looks well built, and will fit around my engine mount with minor "adjustment". It needs beefing up in one area.

Bad News:
1. The turbo ends up right where my smog / vacuum pump used to live
2. Without the smog pump in place I'll need an idler gear for the alternator belt
3. The wastegate flange on the manifold is the wrong size for the TiAL 46mm (even though it was advertised to fit).

I'll need to fabricate (ie have made) a 3 inch exhaust with a slight dog leg to get it to exit the cowl at the same place. I'll also need a small exhaust for the wastegate either joining the large one at an angle or seperate to the exit. The turbo comes to about an inch from the upper cowl, but the housing is ceramic coated and I think the cowl will be ok with some fiberfrax.

The air connection to the intake and intercooler will be fairly easy to modify and the oil and coolant fittings shouldn't be too much trouble. Question for Ross - should I try to install the boost controller in the cockpit, or just put it between the manifold and the wastegate?

It looks like the smog pump vacuum is history, so now I'm faced with several choices. Electric giros or EFIS (ie $2500 ), an alternate vacuum supply of some sort (electric? - suggestions anybody?), or finding somewhere else to fit the smog pump (ie goodbye AC compressor ). Maybe I could get a much smaller alternator that would fit above the turbo and swap the alternator position with the smog pump. Once the new turbo is in I'll need to make a new augmentor venturi, possibly using the material from the old one. Finally I'll need to fabricate brakets for the wastegate and turbo to support the manifold.

My plan is to figure out what I need to buy, make or steel, then reinstall the old turbo so I can use the plane while I get the bits together.

Here are the weights of the parts:

Turbo Old = 22 lbs, New = 17 lbs
Manifold Old = 10 lbs, New = 8 lbs
Wastegate Old = 0 lbs, New = 3.5 lbs
Exhaust system Old = 2 lbs, New = estimate 4 lbs
Smog pump Old = 12 lbs, New = $2500

Total (not including the smog pump) = 1.5 lbs lighter.
Total (with the smog pump gone) = 13.5 lbs lighter.

Attached are pictures of the old and new (trial) install, the manifold and a side by side shot of all the parts. Any thoughts or suggestions welcome.
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  #10  
Old 01-30-2006, 05:56 PM
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If you are talking the electroic boost controller box, that should be cockpit mounted so you can blow the engine up properly.
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  #11  
Old 01-30-2006, 06:37 PM
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Quote:
If you are talking the electroic boost controller box
No, this is a small chrome mechanical device with an adjust knob. It takes vacuum from the manifold and feeds it to the wastegate.
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  #12  
Old 01-30-2006, 10:27 PM
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John,
One school of thought is you need two preset levels of boost, CLIMB and CRUISE, install this two stage boost control and it is as easy as the flick of a switch:
http://tinyurl.com/83hhe
In light of your observations about engine management being too busy this may simplify things quite a bit.
...Chrissi
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  #13  
Old 01-30-2006, 11:13 PM
eracer113 eracer113 is offline
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John
I have had one of these controllers on my twin turbo Porsche since 1990, they work great. Mine is set for 7 lbs low boost and 15 lbs high boost. Just push a button, light comes on and you gain another 75 hp in my case. I would list the low boost on your AC as sea level and the high boost at altitude.

Good luck
Jack Morrison
E Racer 113
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  #14  
Old 01-30-2006, 11:47 PM
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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.
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  #15  
Old 01-31-2006, 02:39 AM
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John,
It may be worth investigating the use of a diesel engine alternator that has a vacuum pump piggy backed onto it. That may help solve your vacuum troubles.
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