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A very eventful day! Up date on the plane

butchlambert

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Hey Butch,
I’ll get a measurement but I can tell you that a Remington 722 is perfect.
I had quite a morning here in the Big Empty. My son asked me to take his plane and check his west fence that crosses the Wichita River which has been incredibly flooded for days.
I took off a little after 7 am and headed east into the morning sun. Five miles out, just as I was about to bank north over the rough badlands, the engine suddenly lost 600 RPM of power and I started losing altitude and airspeed. I quickly checked my gauges and fuel switch but all were good. Then I had to concentrate on finding a place to put the plane down. Hwy 82-114 had heavy traffic and all the fields were muddy swamps. Nursing the plane at an airspeed that reduced my descent, I made it to FM 267 where I hoped to put it down with no traffic. Hell, TXDOT had yellow cones set up in the center for a mile or more. I banked the plane to the right between two wind turbines and decided to try heading south in hopes there would be an open highway. With 100 feet AGL to spare I lined up on a strip of highway where the cones were not placed. Got it landed in good shape and pulled into the gate of a ranch and away from any traffic.
Called and got Sylinda to take me to Seymour to get 8 spark plugs. Got them set and screwed in but the engine still ran rough. I told Sylinda to follow me with warning lights on and we started for Benjamin 9 miles away. She called the sheriff and his deputy and he met us on Hwy 6 to escort us to Benjamin and the hangar! I believe I broke a record for taxiing distance!
It’s been a long day my friend! You and Charlotte have an enjoyable evening!!
Wyman

Wyman's Kitfox:
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Last edited by a moderator:
I put new spark plugs and a new fuel filter in the plane but it didn’t help. I’m sure it’s a carburetor issue. The problem is that those Rotax aircraft engines have two of them and they have to be perfectly in sync. Although it’s an 80 hp engine, it uses 8 spark plugs. The problem around here is that we have no one who will work on them. The closest guy is in Lubbock. We do have a guy in Knox City who is a great mechanic on Rotax but he’s spooked about the double carburetor engine. I’m working on him and am hoping he will give it a shot.

The plane is fantastic and I love flying it and am disheartened to see it in the hangar unable to fly.

I’ll keep you posted on what happens.
 
Does that acft have two separate magnetos or a single drive dual magneto?
My guess would be a fuel issue. Clogged fuel strainer/ screen.
Was the engine sputtering/ missing? What happened when u pushed the throttle forward? Backfire?
Just curious how the engine was running during the 600 rpm drop? If it was still running without excessive roughness or just would not develop full rpm?

A&Ps always want to know!
 
I put new spark plugs and a new fuel filter in the plane but it didn’t help. I’m sure it’s a carburetor issue. The problem is that those Rotax aircraft engines have two of them and they have to be perfectly in sync. Although it’s an 80 hp engine, it uses 8 spark plugs. The problem around here is that we have no one who will work on them. The closest guy is in Lubbock. We do have a guy in Knox City who is a great mechanic on Rotax but he’s spooked about the double carburetor engine. I’m working on him and am hoping he will give it a shot.

The plane is fantastic and I love flying it and am disheartened to see it in the hangar unable to fly.

I’ll keep you posted on what happens.
Butch,
U didn’t say this was an experimental acft? Rotax engine. I have seen them but not worked on ‘em. They are a horse of a different color compared to certificated engines.
Experimental acct use systems that are unique to the breed.
 

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