Cruisers Forum
 

Go Back   Cruisers & Sailing Forums > Search Forums
Reload this Page Search Results
Cruiser Wiki Click Here to Login
Register Vendors FAQ Community Calendar Today's Posts Log in

Showing results 1 to 9 of 9
Search took 0.00 seconds. Search: Posts Made By: Dockhead
Forum: Engines and Propulsion Systems 26-03-2014, 02:40
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

Naturally. Everyone of course has to decide for himself.

But one should also remember that how you feel will not influence whether it's good for your engine or not. That's why it's good to...
Forum: Engines and Propulsion Systems 26-03-2014, 01:57
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

Synthetic oil has some clear and big advantages for highly stressed terrestrial engines -- the molecules actually lengthen with heat to keep viscosity and film strength up.

I wouldn't mind at all...
Forum: Engines and Propulsion Systems 25-03-2014, 18:55
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

I think there is some good sense in all of that, but don't forget oil temperature. Car and truck engines, if they have oil coolers at all, cool the oil with hot coolant, or with air. So oil temps...
Forum: Engines and Propulsion Systems 25-03-2014, 17:43
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

This is what a professional lubricant engineer says about it:

"Yacht auxiliary engines generally run for short periods, at lower temperatures than any other duty, and typically in the lower half...
Forum: Engines and Propulsion Systems 25-03-2014, 08:51
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

Testing proves that the Autoprop is less efficient when sailing than the Maxprop. The Autoprop, inherent in its design, droops one blade while feathered, which creates some drag. The Maxprop is...
Forum: Engines and Propulsion Systems 25-03-2014, 08:42
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

Synthetic oil can destroy a marine engine. Read why here:

Oil for yacht engines (https://coxengineering.sharepoint.com/Pages/Oilforyachtengines.aspx)

The demands and requirements for marine...
Forum: Engines and Propulsion Systems 24-03-2014, 17:44
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

Viscosity varies by temperature, and terrestrial motor oils are meant to deal with oil temperatures of 120 degrees C and more (my 1970 Porsche 911S will get the oil temperature up to 140C if you...
Forum: Engines and Propulsion Systems 24-03-2014, 17:37
Replies: 35
Views: 4,548
Posted By Dockhead
Re: Yanmar Questions

But his speed was spot on with yours, when he was using a Maxprop. I think what you've got is normal.

The much higher speed he quoted was after he switched to the self-pitching Autoprop, like...
Forum: Engines and Propulsion Systems 24-03-2014, 05:44
Replies: 35
Views: 4,548
Posted By Dockhead
Yanmar Questions

I recently received the following PM from Phoenician, which I am posting here with his permission:


"Yanmar engine
Dockhead, I realized from your recent...
Showing results 1 to 9 of 9

 
Forum Jump


All times are GMT -7. The time now is 14:43.

Contact Us - Cruisers & Sailing Forums - Sitemap - Community Rules - Terms of Service - Privacy - Accessibility - Top

Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
close

Privacy Guaranteed - your email is never shared with anyone, opt out any time.


ShowCase vBulletin Plugins by Drive Thru Online, Inc.