super tigre 90 for aurora  
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All Forums >> RC Airplanes >> Pattern Flying >> Classic Pattern Flying >> super tigre 90 for aurora
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super tigre 90 for aurora - 6/20/2005 4:38:27 AM   
snap_roll


 

Posts: 271
Joined: 2/16/2005
From: singapore, SINGAPORE
Status: offline 		hello.....how would u guys think about this combination:super tigre 90 and an aurora? powerfull enough for pattern?

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RE: super tigre 90 for aurora - 6/20/2005 1:54:13 PM   
Paternguy


 

Posts: 628
Joined: 3/9/2002
From: East Berlin, PA, USA
Status: offline 		I would look at the MVVS 77, setup for rear exhaust, it may be easier to route your pipe and you will still be able to swing 11 and 12 inch props with authority.

(in reply to snap_roll)
       Post #: 2

RE: super tigre 90 for aurora - 6/20/2005 5:07:40 PM   
chronos333


 

Posts: 26
Joined: 10/8/2004
From: longueuil, QC, CANADA
Status: offline 		why not a MVVS 91 Rear exhaust
I plan on putting one in mine these days...

(in reply to Paternguy)
       Post #: 3

RE: super tigre 90 for aurora - 6/20/2005 5:31:14 PM   
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Posts: 271
Joined: 2/16/2005
From: singapore, SINGAPORE
Status: offline 		oh well, since the plane i bought came with an OSMAX 61 V, i might as well use it.......
hey,does a tune pipe increase power on a 2 stroker?

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RE: super tigre 90 for aurora - 6/20/2005 6:24:14 PM   
Paternguy


 

Posts: 628
Joined: 3/9/2002
From: East Berlin, PA, USA
Status: offline 		I was thinking in terms of ground clearance and overall speed. With a 91 it will go straight up and straight down at the same speed (Mach 2 LOL). Now this wouldn't bother me too much, I just don't think you guys that fly these modern birds would be able to keep up with something like that. LOL

(in reply to snap_roll)
       Post #: 5

RE: super tigre 90 for aurora - 6/26/2005 5:16:33 PM   
ElectRick


 

Posts: 469
Joined: 8/31/2002
From: Jacksonville, FL, USA
Status: offline 		Seeing as how the Aurora was designed for .61 two-strokes, and the many Auroras I saw fly back in the day all flew with authority on them, anything bigger than a piped .61 is simply excess horsepower. That's not to say it wouldn't be more fun, just unnecessary for this plane, as it isn't meant to be a 3D/AA ship.

Remember that bigger engines: 1) weigh more = heavier airplane
2) cost more = less money for fuel
3) need more prop clearance = longer/heavier landing gear and no retracts
4) drink more fuel = less money for airplanes

...all of which tend to offset the advantage of having more power in the first place.

Do we really need an Aurora that can prop hang?

Rick

(in reply to Paternguy)
       Post #: 6

RE: super tigre 90 for aurora - 6/27/2005 10:33:45 AM   
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Posts: 271
Joined: 2/16/2005
From: singapore, SINGAPORE
Status: offline 		totally agree,i just flew it yesterday,i cant belief the power of an OS61V 2stroke......nice vertical man!


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http://thecoolandcrazy.blogspot.com/

(in reply to ElectRick)
       Post #: 7

RE: super tigre 90 for aurora - 6/27/2005 11:06:30 AM   
Paternguy


 

Posts: 628
Joined: 3/9/2002
From: East Berlin, PA, USA
Status: offline 		The OS 61 VF was always one of my favorite engines, back when OS made a good engine. If I ever find a new piston and liner I will rebuild mine. I would love to hang it on the front of my UFO when I build it.

(in reply to snap_roll)
       Post #: 8

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