Super Tigre G4500, any good?  
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All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> Super Tigre G4500, any good?
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Super Tigre G4500, any good? - 5/30/2008 2:51:40 PM   
dave_anderson



Posts: 759
Joined: 10/28/2002
From: Navarre, FL, USA
Status: offline 		Hi,

Looking to make a trade for a warbird that has a Super Tigre G4500 on the front. I'm totally unfamiliar with these big ST engines. I know they guzzle fuel, but any other input would be greatly appreciated. Supposed to give guy answer tonight and pickup this weekend.

See pic of actual engine...

Thanks!

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RE: Super Tigre G4500, any good? - 5/30/2008 4:08:31 PM   
jeffk464


 

Posts: 1241
Joined: 10/31/2004
From: cerritos, CA, USA
Status: offline 		Boy, those things really guzzle fuel.

(in reply to dave_anderson)
       Post #: 2

RE: Super Tigre G4500, any good? - 5/30/2008 4:55:01 PM   
rcdude7


 

Posts: 1016
Joined: 4/12/2003
From: Maryland
Status: offline 		Well, I've never had one of these, only a few of its smaller cousins. I see them go quickly on *bay and RCU buy & sell. They must be a desireable engine despite their thirst for glow fuel. This engine does run well on low oil content fuel with no nitro, so it would be very inexpensive to mix your own fuel for this beast.

(in reply to dave_anderson)
       Post #: 3

RE: Super Tigre G4500, any good? - 5/30/2008 5:52:17 PM   
w8ye



Posts: 17462
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: online 		They are good engines but watch out for that J-Tech muffler. They tend to not have enough volume and cause detonation and over heating of the engine. The mufflers do not have enough internal volume.

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RE: Super Tigre G4500, any good? - 5/30/2008 9:31:49 PM   
Hobbsy



Posts: 10677
Joined: 12/2/2001
From: Colonial Beach, VA, USA
Status: offline 		Dave, it powerful thirsty because its its powerful, it takes fuel to make power no matter what the engine configuration or the name it wears. The 4500 is very smooth running, 5% is about the max on nitro and after break in it can run safely on 12% lube. Not fussy about the glow plug. Prop for under 8,000.

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RE: Super Tigre G4500, any good? - 5/30/2008 9:52:23 PM   
dave_anderson



Posts: 759
Joined: 10/28/2002
From: Navarre, FL, USA
Status: offline 		My concern regarding these engines lies in what my impression has been of them... probably unfounded. Hard to...start, tune, and keep running. I have never personally owned a big ST, I usually fly gassers. This one is relatively low time. Maybe I read something over the years about these engines, but I can't figure out where I got this negative impression.

What size prop does one use on this engine? The biggest glow engine I've dealt with was an OS 1.60FX years ago. That spun an 18X6 I believe.

My first thought was to take this engine out, sell it and put in a gasser. But, if this is a good engine, as in starts and keeps running, then I'll leave it in. Not too scared about fuel consumption... I am more worried about engines being hard starting and unreliable.

(in reply to Hobbsy)
       Post #: 6

RE: Super Tigre G4500, any good? - 5/30/2008 9:59:29 PM   
Hobbsy



Posts: 10677
Joined: 12/2/2001
From: Colonial Beach, VA, USA
Status: offline 		Something in the 20x6 to 20x8 range, mine is converted to Diesel and I'm going with a 22x10 which it will turn in the 6,800 rpm neighborhood. I'll see what I can dig up for ya info wise.

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"I have gone faster backwards, upside down and on fire than most people have gone at all" Don Garlits

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       Post #: 7

RE: Super Tigre G4500, any good? - 5/30/2008 10:23:42 PM   
w8ye



Posts: 17462
Joined: 12/11/2001
From: Taylortown, OH, USA
Status: online 		Don't forget the fuel requirements that Hobbsy mentioned.

They require big Super Tiger fuel

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Attended the CutFinger Institute of DirtNap University for years but never did graduate....

Club Saito Member #7
Original AMA #31261

(in reply to Hobbsy)
       Post #: 8

RE: Super Tigre G4500, any good? - 5/30/2008 10:52:42 PM   
Rcpilot


 

Posts: 6555
Joined: 3/20/2002
From: Arvada, CO, USA
Status: offline 		I never had any problems running any of the big ST engines on regular old Omega 5% fuel. It's 17% oil content and the engine didn't care.

I think it's perfectly okay to run these engines on "off the shelf" fuel if you can't get the low oil ST fuel locally. I ran the 2000, 2500, 3000 and 4500 on Omega 5% fuel and never had a lick of problems with any of them from running that fuel.

Two words to describe the ST4500:

Stump Puller

Prop it around 70007300RPM on the bench. 20-10 prop works good.

I'm not sure if you know this, but they GUZZLE fuel like a thirsty camel drinks water.

_____________________________

Airplanes have expiration dates. It''s just not printed anywhere on them.
I''m not really an airplane pilot; but I did stay at a Holiday Inn Express last night.

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       Post #: 9

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