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Old 01-25-2012, 03:17 PM
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Default RE: Seagull Yak?




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Fortunately, my carb can be mounted either way and Iturned it over to simplify the throttle linkage. I can also reach the needle adjustments without removing the cowl or drilling a hole.
I've considered the pulse tube and replaced the original tubing from the crankcase to the carb and secured both ends with small zip ties.
My next effort will be soldering a brass tube to the vent hole in the diaphram cover and running tubing into the fuselage.
I don't have a choke system rigged up at the moment and have been choking it by putting my hand over the velocity stack opening. To save weight and complexity I'm considering using a "cork" to temporarily plug the velcity stack opening instead of using my hand, which is awkward, while trying to turn the prop. I need to visit the hardware store and look around.

Looks like your shims have done the job on your SW wing incidence. Hope she flies better for you next time out.

Our WX is bad for flying but, good for everything else. We need the rain so, I'm not complaining.

I need to replace the gear on my MX2 and reassemble it. I need to get my favorite bird back in the air. She's rested long enough.

RJ

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I have researched this thoroughly and while a standard wine cork needs to be tapered to get a good fit, a champagne cork is "just right". Trying out the various corks was tough challenging work, but I am happy to share the results. Also, to prime, instead of flipping the prop through compression repeatedly, just grasp the spinner and rock it back and forth 8 or 10 times to get the fuel to the carb. A 2 stroke engine is a pump, after all.

Happy flying.