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Showing results 1 to 12 of 12
Search took 0.00 seconds. Search: Posts Made By: Captain Bill
Forum: Propellers & Drive Systems 31-08-2020, 17:22
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

Thanks, I'll see if I can locate some.
Forum: Propellers & Drive Systems 31-08-2020, 04:32
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

Where did you get the softer saildrive mounts?
Forum: Propellers & Drive Systems 10-06-2020, 13:39
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

My theory about the 2000 rpm issue is that the springs in the damper are too stiff. Being a 3800 rpm engine the HP output at 2000 rpm is substantially lower than a 3000 rpm engine at that rpm thus...
Forum: Propellers & Drive Systems 09-06-2020, 21:58
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

I have had no luck solving the vibration problem. The kit they sold me in 2015 had a new damper design which I have come to believe is the source of the vibration issue. The SD40 used a polymer...
Forum: Propellers & Drive Systems 04-06-2019, 18:10
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

There have been no leaks since I did the seal repairs. So far so good. but I won't hold my breath. I still have a vibration problem even though I backed off the prop pitch a bit.
Forum: Propellers & Drive Systems 17-08-2018, 08:41
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

I have now completed reassembly of both drives. There was no apparent reason for the leak on the starboard drive, but the source of the leak on the port drive was quite clear, the Speedi-sleeve...
Forum: Propellers & Drive Systems 04-08-2018, 16:25
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

Well, as I grasp at straws, I've been researching causes of vibration and come up with a new theory, which may or may not be as good as my previous theories. There is a possibility that the...
Forum: Propellers & Drive Systems 03-08-2018, 11:54
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

I did the pressure test and the drives are tight under 7.5 PSI overnight. If it was an O-ring it should have leaked in both directions. One other possibility I have been discussing locally is that...
Forum: Propellers & Drive Systems 29-07-2018, 18:00
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

I'm afraid the opening in my hull is not wide enough to access the O-rings from the bottom as there is no way for me to get my hands past the flange with the drive hanging in there. I would need to...
Forum: Propellers & Drive Systems 29-07-2018, 15:32
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

The pressure dropped to 3.5 inches of mercury from 7.5 in about one hour and 20 minutes. I had my hopes up but a friend just pointed out that such a slow leak might be coming past the input shaft...
Forum: Propellers & Drive Systems 29-07-2018, 12:34
Replies: 34
Views: 13,878
Posted By Captain Bill
Re: Leaking sd60 saildrives

I have just started the vacuum test on the port drive and it looks like the pressure is not holding. I put a drop of oil around all the connections to the vacuum pump and none of them have been...
Forum: Propellers & Drive Systems 28-07-2018, 12:12
Replies: 34
Views: 13,878
Posted By Captain Bill
Leaking sd60 saildrives

Last year while my transmission section of my two Yanmar SD60 saildrives were being replaced due a manufacturing defect I decided to have my prop shaft seals replaced because I was pretty much at my...
Showing results 1 to 12 of 12

 
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