OS FP35 - Old and rusty
08-26-2002, 11:33 AM
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OS FP35 - Old and rusty
Hello,
I've recently acquired my Dad's old high wing trainer. The engine was ceased up so I took it apart, cleaned it out and put it back together.
I'm a complete newbie and don't realy know what I'm doing with this engine (OS FP35, probably 15 years old.)
There are three screws/needles to adjust on this engine - a big one which seems to control the fuel intake and two smaller screws near the air intake - one mounted horizontally and one mounted vertically. The longest I've had this engine running for is about ten seconds.
What do the screws/needles do?
How can I set this engine up?
Cheers in advance!
I've recently acquired my Dad's old high wing trainer. The engine was ceased up so I took it apart, cleaned it out and put it back together.
I'm a complete newbie and don't realy know what I'm doing with this engine (OS FP35, probably 15 years old.)
There are three screws/needles to adjust on this engine - a big one which seems to control the fuel intake and two smaller screws near the air intake - one mounted horizontally and one mounted vertically. The longest I've had this engine running for is about ten seconds.
What do the screws/needles do?
How can I set this engine up?
Cheers in advance!
08-26-2002, 03:14 PM
#2
My Feedback: (11)
OS FP35 - Old and rusty
Simon,
The three adjustments are the high-speed needle valve, the air-bleed adjustment, and the idle stop screw.
Start out with the high-speed needle about 2-1/2 turns out from closed.
The idle stop screw is the one that points straight up. Adjust it so that the throttle barrel is about 2-3mm open when the throttle is closed to idle.
The air-bleed screw is the small one with a spring that's positioned horizontally. Adjust it so that screw blocks the hole in the front of the carburetor to about one-half.
If you still have running problems, the engine may have other difficulties.
We hope you find this information helpful. Should you have any further questions or concerns, please do not hesitate to contact us at this email address. (Please be sure to copy all previous emails into any future questions.)
DID YOU KNOW that our web pages now all contain FAQs? (Frequently asked questions) Please drop by and take a look! We hope you'll find the information helpful and valuable to you.
Sincerely,
Bill Baxter, Manager
Hobby Services
1610 Interstate Dr.
Champaign, IL 61822
USA
Phone: 217 398-0007
Fax: 217 398-7721
Email: [email protected]
Web: http://www.bestrc.com
The three adjustments are the high-speed needle valve, the air-bleed adjustment, and the idle stop screw.
Start out with the high-speed needle about 2-1/2 turns out from closed.
The idle stop screw is the one that points straight up. Adjust it so that the throttle barrel is about 2-3mm open when the throttle is closed to idle.
The air-bleed screw is the small one with a spring that's positioned horizontally. Adjust it so that screw blocks the hole in the front of the carburetor to about one-half.
If you still have running problems, the engine may have other difficulties.
We hope you find this information helpful. Should you have any further questions or concerns, please do not hesitate to contact us at this email address. (Please be sure to copy all previous emails into any future questions.)
DID YOU KNOW that our web pages now all contain FAQs? (Frequently asked questions) Please drop by and take a look! We hope you'll find the information helpful and valuable to you.
Sincerely,
Bill Baxter, Manager
Hobby Services
1610 Interstate Dr.
Champaign, IL 61822
USA
Phone: 217 398-0007
Fax: 217 398-7721
Email: [email protected]
Web: http://www.bestrc.com
