fbpx
Login

 

Jump to Forum..

rough engine..

in 912 / 914 Technical Questions 13 years ago

  • Re: rough engine..

    by » 13 years ago

    I will need to take a hard look . I might need to fold the wings to get in there. Should I run a Y so it will go into both tanks?
      
    Report

  • Re: rough engine..

    by » 13 years ago

    Hi Ryan,

    Bob is right about using a recirculation line, but you can plumb it from the fuel distribution block with a brass fitting (there is a port already there) and just run it down into the top of the gascolator or if you chose back to the tank. Most gascolator's are setup for this arrangement. A fuel pressure gauge is a nice thing to have.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
    Report

  • Re: rough engine..

    by » 13 years ago

    This plane was built by the Rans employee club. There is no block in the fuel system. They used a brass T. The fuel system comes from the tanks to a T, single line to a drain, then a shut off, from there to through the firewall into a fuel filter. From there to the gasolator. From there out of the gasolator to the fuel pump, out of fuel pump to a fuel brass T to the carbs. Can I buy one of those blocks and tie it in. I don't think I have another port in the gasolator.
      
    Report

  • Re: rough engine..

    by » 13 years ago

    Yes you can buy that. It's a Rotax part. One input from the fuel pump, and four outputs: one for each carb, and two with restrictors in them to be used for fuel gauge and return line.
      
    Report

  • Re: rough engine..

    by » 13 years ago

    Most gascolator's have the third port. It is on top and some people use that hole as a mounting spot, but it is actually a third port. Actually the hose you mention through the firewall should stop on one side and have a metal barbed tube fitting that penetrates the firewall then the hose is reconnected on the other side. Hose should not be a straight through for obvious reasons. It's a safety issue. The early Flight Design fleet ended up changing this in an SB. I'm doing one as we speak today and installing a firewall blanket.

    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell

      
    Report
You do not have permissions to reply to this topic.
Related Topics
Title Category Replies
Running rough after a spell 912 / 914 Technical Questions 8
912UL intermittent rough running 912 / 914 Technical Questions 13
Weird Engine Roughness 912ULS 912 / 914 Technical Questions 3
Rough Starts 912 / 914 Technical Questions 7
Rough running around 5000 rpm 912 / 914 Technical Questions 1
Follow Us

Recent Videos

Safety First!

 

To receive critical-to-safety information on your ROTAX Engine, please subscribe to
ROTAX-OWNER.COM

ROTALK News



ROTALK NEWS Episode 5
Rotax-powered Sling aircraft from The Aircraft Factory, the AVMAP Navigation and engine monitoring system, and the Rotax powered Tucano Experimental and Light-Sport Aircraft.



ROTALK NEWS Episode 4
ROTAX's 915iS-powered Aquila A211 test aircraft, the Scheibe SF-25C Falke (first-ever 912-equipped aircraft!) and ROTAX factory in Gunskirchen, Austria.


ROTALK NEWS Episode 3
Michael Smith's Rotax-Powered Searey Circumnavigation, the amazing Rotax-Powered Lockwood Aircam and Anthony Caere's chimpanzee rescue operations.

Prize Giveaway!


SUBSCRIBE NOW
to automatically enter this years draw!

Login