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#31
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Aviation requirements are very, very different than those for automotive applications, as has been stated in previous posts.
So the "aircraft EG-33" that is twin turbocharged may perform very poorly when put into an SVX. I think young Tom is correct. I vaugely remember seeing the photo of this engine many years ago, either on this site or the Yahoo site.
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#32
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A supercharger can not compensate for air density, the same as a turbo charger can, in aircraft use.
Developing a EG33 for aircraft use, has the engine speed limited to around 4000 rpm, due to the maximum prop tip speed. Harvey.
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#33
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Quote:
Tom |
#34
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Quote:
Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#35
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Turbo's in aircraft are mainly used to maintain power as the plane climbs. They can be used to increase power, but this is very rare. Superchargers are used as the big power-boosters, often for planes that do not reach altitudes where thin air is an issue.
My favorite example is the Argus maritime patrol plane. It had 4 engines, each was a twin bank radial, 9 cylinders per bank. Each engine was triple-turbo'd and supercharger. Full power was only used on take-off with a heavy load, and methanol injection was used to keep the engines from melting into big hunks of iron.
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Chris 92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping 2007 STi 6MT, Stance GR+ coilovers, PWR Rad, JDM hood badge, svxfiles 6000K HIDs, JDM Clear Corners, $15/15 min mod, $20/20 min mod, Energy Swaybar Bushings, Hella Supertones horns, Gold STi BBS rims, Group A lightweight crank pulley, A/C system removed, Custom header-back exhaust, Hybrid carbon/metal rear sway bar, restored headlights with CCFL halos 2008 Subaru Legacy Spec B - Diamond Grey Metallic - Sold 2020 Ram 1500 Longhorn - Red Pearl |
#36
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Quote:
Tom |
#37
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Quote:
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After all, you could BOTH be right.
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Chris SVX World Network Administrator -1993 Subaru SVX LS-L, Barcelona Red, #46, 160,000+ Miles (Sold to SomethingElse) -2011 Toyota Sienna SE, Black, 30,000+ Miles (Swagger Wagon ) -2002 BMW R 1150R ABS, Black, 26,000+ Miles (Daily Driver ) SVX Owner from February 1997 to March 2008 SVX Online Community Member since February 1998 SVX World Network Member since February 2002, Member #520 Life is a game. Play to win. The world belongs to those who can laugh at it. |
#38
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Man I had to dig back to '03 for this... I knew it was there though
http://www.sdsefi.com/air31.htm Tom |
#39
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Dave - 03 Baja - 92 SVX - 86 Brat - 08 OB 3.0 |
#40
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The lack of smooth paint adding too much drag?
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Chris SVX World Network Administrator -1993 Subaru SVX LS-L, Barcelona Red, #46, 160,000+ Miles (Sold to SomethingElse) -2011 Toyota Sienna SE, Black, 30,000+ Miles (Swagger Wagon ) -2002 BMW R 1150R ABS, Black, 26,000+ Miles (Daily Driver ) SVX Owner from February 1997 to March 2008 SVX Online Community Member since February 1998 SVX World Network Member since February 2002, Member #520 Life is a game. Play to win. The world belongs to those who can laugh at it. |
#41
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it didn't actually say why he went for the super charger over the turbos...
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1991 xt6 eg33? 1993 gc track car |
#42
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yes but there was a hefty discussion about it years ago... Like I said, there can only be one reason to scrap such a heavily invested project, that is if it was not working the way it needed to and there was no foreseeable positive outcome from it. I am not going to argue this I was merely stated what I had read in the past.
Tom |
#43
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I have no intenton of stirring the pot, but in that link it sates that the engine popped a seal out of the prop drive on the dyno. Could it possibly be that the EG33TT made TOO much hp for the reduction drive? Thus prompting the switch to the EG33SC.
Either way, with 350+ hp at the crank, in that tiny airframe, that thing ought to fly, wings optional!
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#44
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Tom |
#45
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...So to answer your question...no, Turbocharging svxi isnt very common, though there have been some one off fabrications done by varoius people for whatever reason (Many dont end up in an svx) Perfect example...the one of the fastest awd drag cars is made by tony rigoli proformance, and powered by a turbo eg33
The biggest issue is there arent any plug and play stand alone or piggy back ecu's being made publicly available, making the job beyond your average do it yourselfer.
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