RE: Another wasted evening with the OS 91FX  
View related threads: (in this forum | in all forums)

Tower Hobbies
Enter up to 4 keywords or Tower stock numbers
Logged in as Guest



Users viewing this topic: none
  Printable Version
More Resources on the
O.S. .91 Ringed
  • 6 Active Classified Ad(s)
  • See User Ratings
  • Suggest Compatible Equip.
  • Check for Retailers
  • Discussions on this Product


    • All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> RE: Another wasted evening with the OS 91FX
    Page: <<   < prev  1 2 3 4 5 6 [7]

    Login
    Message << Older Topic   Newer Topic >>
    RE: Another wasted evening with the OS 91FX - 12/15/2003 4:05:44 PM   
    rcalbuquerque


     

    Posts: 207
    Joined: 12/8/2003
    From: Albuquerque, NM, USA
    Status: offline     		I have two OS91fx motors and was having simular problems and here is the fix.One motor is mounted on a hanger 9 P51.Here's the real problem with this motor VIBRATION. I switched to a rubber engine mount. The fuel tank must be wrapped with plenty of foam and totaly isolated. I mounted the motor on its side and am running a Bissen Pitts muffler.Powermaster 15% fuel .APC 13/8 prop. I have flown the wings off this plane for 2 years and the motor has never quit and the plane halls ****.I have tried the K&B needel valve on my other motor and it helped with the air bubbles but the real problem is VIBRATION . I also had the same problem with the 160FX and used the same fix now all motors run great and are very reliable.


    _____________________________

    rookie jet pilot
    rookie 3D pilot

    (in reply to Hircflyer)
           Post #: 151

    RE: Another wasted evening with the OS 91FX - 12/15/2003 4:38:47 PM   
    FLYBOY



    Posts: 8692
    Joined: 1/7/2002
    From: Missoula, MT, USA
    Status: offline     		Man, that is the one thing I didn't mess with is vibration. Tried just about everything else. Ended up sending one back to OS and selling the other. Haven't replaced them yet but am going to have to do that soon. I miss flying my shoestring. Also still have to find good reliable twins for my Super Duellist. Probably try something like the Irvine .72s or MVVS. Glad my little 46 fx engines don't have that problem. Least I can fly some of those planes.

    < Message edited by FLYBOY -- 12/15/2003 11:39:42 AM >

    _____________________________

    Fly it till the wings come off.

    (in reply to rcalbuquerque)
           Post #: 152

    RE: Another wasted evening with the OS 91FX - 12/15/2003 5:12:37 PM   
    Strykaas



    Posts: 4121
    Joined: 3/21/2003
    From: Paris, FRANCE
    Status: offline     		Flyboy,

    quote:

    The fuel tank must be wrapped with plenty of foam and totaly isolated


    Is this something you overlooked ?

    _____________________________

    ProBro #2077
    http://image2-0.rcuniverse.com/e1/forum/upfiles/57402/Nl29490.jpg

    (in reply to FLYBOY)
           Post #: 153

    RE: Another wasted evening with the OS 91FX - 12/15/2003 5:48:17 PM   
    FLYBOY



    Posts: 8692
    Joined: 1/7/2002
    From: Missoula, MT, USA
    Status: offline     		Nope, even tested it on the bench with a different tank at one point, produced the same results. Ended up writing off the engines. Won't touch another one. Too bad, would have really like to use them. Oh well, others will work.

    _____________________________

    Fly it till the wings come off.

    (in reply to Strykaas)
           Post #: 154

    Page:   <<   < prev  1 2 3 4 5 6 [7]
    All Forums >> Glow Engines, Gas Engines, Fuel & Mfg Support Forums >> Glow Engines >> RE: Another wasted evening with the OS 91FX
    Page: <<   < prev  1 2 3 4 5 6 [7]

    More Resources on the
    O.S. .91 Ringed
  • 6 Active Classified Ad(s)
  • See User Ratings
  • Suggest Compatible Equip.
  • Check for Retailers
  • Discussions on this Product



    • Jump to:


    Google 



    Search | Marketplace | Event Calendar | Local Clubs | Magazine | Product Ratings | New Products | Discussion Forums

    Photo Gallery | Member Video Posts | RCU Video Gallery | Instructor Search | Field|Track|Marina Search

    Advertisers | Hobby Vendor Resources | Rate Manufacturers | Sign In/Sign Up

    SITE MAP!   : :   FORUM RULES

    © 2001 - 2007 24-7 RC, LLC, all rights reserved.

    Charities we support that also need your help
    Yorkie Rescue | Humane Society | ASPCA | Crohn's-Colitis America

    Kaango.com Classifieds

    0.422RCU5