According to narrative associated with the
Turbonetics 60-1, it is “the careful marriage of a unique high flow/high
efficiency compressor section teamed up with a T4 turbine section.” In other words, it is a T4 hybrid that
flows more than a TO4E.
See http://www.agpturbo.com/product.php?productid=16138&cat=252&page=1
Bob J. Rogers
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Kelly Troyer
Sent: Thursday, May 06, 2010 10:45
AM
To: Rotary
motors in aircraft
Subject: [FlyRotary] TO4E Info
Perhaps of interest to some..........Exchange I had with a
"Turbonetics" service
rep. concerning choice of a turbocharger for my project............My
intial choice
of a TO4E, 50 compressor trim, wet housing (coolent), 1.15 area/radius
turbine
housing (to prevent overspeed at short forays up to 17,999 ft),
big shaft, sleeve
bearing turbo has been based on the experience of others of the
group.........
The only question in my mind was what size turbine
wheel to use (F1-62 mm,
F1-65 mm or F1-68 mm) as this information was not stated in any of the
posts
that I have seen from the group..........This question was answered in
the posts
below from me and "Turbonetics".............John Slade of
this group is using a
TO4E, 50 comp. trim, .96 a/r turbine housing, turbine wheel ??,
successfully
at altitudes up to 12-14,000 I believe...............The
"Cosygirrls" according to
their site have purchased a TO4E, 50 trim, 1.15 a/r housing with the
intent to
fly at oxygen altitudes............Bob Rogers (Mustang II, 13B, turbo)
is flying
what he says is a "60-1" trim, 1.15 a/r housing
turbo..........It is not clear to
me if it is a TO4E as "Turbonetics" has a "60"
series turbo that looks much
like the TO4E but with a larger compressor wheel and he was not sure
which
turbine wheel he has............He has had no overspeed problems at
altitude..
After my plotting my maximum boost (10 psi) (1.7
pressure ratio) at 25
lb/min(air flow) (13B) on the compressor maps it is clear that
there are
several turbos that will do a satisfactory job for our
rotarys...........FWIW
--
Kelly Troyer
"Dyke Delta"_13B ROTARY Engine
"RWS"_RD1C/EC2/EM2
"Mistral"_Backplate/Oil Manifold
-------------- Forwarded
Message: --------------
From: Benita Betancourt <bbetancourt@turboneticsinc.com>
To: Kelly Troyer <keltro@att.net>
Subject: RE: TO4E Info
Date: Wed, 05 May 2010 18:39:00 +0000
My apologies
Kelly, I did mean to type F1-65. You are right in your assumption, the smaller
wheel size is better for your conditions.
Please let me
know if there is anything else.
Benita Betancourt
Customer Service
Turbonetics Inc.
2255 Agate Ct.
Simi Valley, CA 93065
Phone:805-581-0333
Direct:805-426-3421
Fax: 805-584-1913
www.TurboneticsInc.com
Watch & read about and our new Forged Billet
Compressor Wheels, why they are superior to cast aluminum impellers and even
better than standard billet ones at the Turbonetics
Blog.
Products: Turbochargers | Turbo Systems | Heat
Exchangers | Valves & Controls
Markets: Industrial | Military | Agricultural Equipment | Aftermarket
Automotive
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From: Kelly Troyer
[mailto:keltro@att.net]
Sent: Thursday, April 29, 2010
5:17 PM
To: Benita Betancourt
Subject: RE: TO4E Info
Thanks for your response...........I have one more
question.........Can you tell me
why the F1-68 (Larger diameter) turbine wheel would be less likely to
over-speed
at altitude using the 1.15 a/r housing than the F1-65 turbine
wheel ?........... In my
mind the F1-65 wheel would seem to be a "looser" fit in the
housing and probably
bypass more of the exhaust..............I admit to being neophyte at
this.............
-------------- Original
message from Benita Betancourt <bbetancourt@turboneticsinc.com>:
--------------
Kelly,
Your only
option with the 1.15 a/r is the t4 turbine housing in a f1-65 or 68. You will
want to go with the F1-68 to help with your overspeed issue.
Thank you for
your email and interest in our products,
Benita Betancourt
Customer Service
Turbonetics Inc.
2255 Agate Ct.
Simi Valley, CA 93065
Phone:805-581-0333
Direct:805-426-3421
Fax: 805-584-1913
www.TurboneticsInc.com
Watch & read about and our new Forged Billet
Compressor Wheels, why they are superior to cast aluminum impellers and even
better than standard billet ones at the Turbonetics
Blog.
Products: Turbochargers | Turbo Systems | Heat
Exchangers | Valves & Controls
Markets: Industrial | Military | Agricultural Equipment | Aftermarket
Automotive
From: Kelly Troyer
[mailto:keltro@att.net]
Sent: Thursday, April 29, 2010
10:03 AM
To: Benita Betancourt; Benita
Betancourt
Subject: TO4E Info
I am interested in purchasing a Turbonetics TO4E, 50 trim,
for use on a Mazda
rotary engine flowing approx 25 lb/min to produce 10 lb booost at a
1.7p/r at
altitudes up to 18,000 ft............I plan on a 1.15 a/r
tang. turbine housing to avoid
overspeed at altitude..........My question is how to choose a
turbine wheel for my
needs (F1 62, F1 65, or F1 68)..........