Which Engine Should I use ???

[Dean Pappas]

Hi Dan,
The four-stroke 90 will not deliver enough power. The two-stroke 90 will need a pipe, to get 8-1/2 lbs to perform properly.
You've probably seen enough about the piped 90 setups in this forum.
I see that Scott has already offred a hand.
Regards,
 

Dean Pappas 
Sr. Design Engineer 
Kodeos Communications 
111 Corporate Blvd. 
South Plainfield, N.J. 07080 
(908) 222-7817 phone 
(908) 222-2392 fax 
d.pappas at kodeos.com 

-----Original Message-----
From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On Behalf Of Daniel J. Hamlett
Sent: Wednesday, January 05, 2005 11:20 PM
To: discussion at nsrca.org
Subject: Which Engine Should I use ???


I am going to be putting together an Exceleron 90.  I have 2 different engine options.  First is an OS FX91, second is an OS FS91 Surpass w/pump.  Both are NIB.  I have flow previous planes with a different 91FRX.  I am good with engines so I am not worried about any finicky engine issues with either one.  I have 2 two meter planes right now.  This plane is one that I want to be able to get home from work, grab it and go.  The 2 meter planes take a little bit more preparation to get them going quickly.  I want the plane to fly well with a good power curve.  I know that the 91FX will want to be flown a little bit faster, but how much I don't know.  Also would the FS91 II Surpass be enough to fly the plane well.  I will most likely be flying the intermediate pattern next year, so it doesn't have to be oh my God outrageous performance.  But I don't want tit to be a dog either.
 
If there is anybody with any time on this plane that could shed some light on the situation it would be greatly appreciated.
 
Dan
Dst. 1

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