Prop Governor and Synchro Slave

[edasmus]

Good news is I have photos. Bad news is they are too large to post. I emailed you two of them. There are more if you would like them.

Ed

[edasmus]

Hey Herb,

I do not know which governor was on the front and rear. It would not matter though because these two old governors that I have are exactly the same. They have the same model number and look identical. As for the prop synch mechanisms (those little tiny gears in your photo), if they were attached, they are not now. Neither of these governors look anything like your posted photos. I do have an electronic "box" in my closet that was removed from the rear engine compartment when these governors were removed four years ago. This box was part of the prop synch mechanisms. This stuff did not function properly and was all removed from the airplane and my airplane is completely void of any prop sync equipment at this time.

Keep in mind that my airplane is a 1973 model and the plane you are dealing with is a 1977 model. It is possible that the entire prop sync system was handled differently in these two 337 models and that you and I are comparing "apples and oranges." I really don't know how these two model years compare in this regard.

If it would help, I would gladly ship you these two old governors as well as this "electronic box" that was removed from my plane and you can compare for yourself.

Good Luck,

Ed

[cawelsh]

I have two matching governors without the little gears. Syncro is via the black box and a parallel driveshaft that lengthens and shortens the rear prop cable a small amount. Trying to find out if the cable, Part # 1550017-8, includes the little piece at the end that is on the prop cable/governor joint that lengthens and shortens? I can't find a separate part number. The little extension bit is internally frozen.

I could use a broken 1550017-8 cable to make a tool to free it up if anyone has one.

Thanks!

[Dale Campbell]

Hi Herb,
I have a 337H normal asperated 1978 ser.# 1824. I can photo my prop gov. if you want it. I will have to drive 20 miles to airport. I had my unit overhauled in 2004 and it failed again in 2009 after 300 hours so I never overhauled it again. I use sound and sync meter on instrument panel to sync by hand. Dale Campbell