Re: [Amel Yacht Owners] Re: Long block failure on a Volvo D3-110 Amel 54-152
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A puff of smoke on acceleration of a D3 is probably not an indication of something going wrong.
Black smoke on acceleration almost always indicates unburnt fuel. One of the reasons for computer controlled diesel engines was to eliminate this source of pollution. When rapidly accelerating a conventional diesel engine, it will allow more fuel in the chamber than it can burn causing black smoke. The Volvo D3 systems are supposed to limit most of this, but an initial puff is likely very normal. I know that the 100hp Yanmar Turbo without a computer will allow lots of unburnt fuel on rapid acceleration and when the AutoProp is fouled.
I also know if I floor my 1985 Mercedes Turbo Diesel, I can smoke you if you are behind me. Sometimes this can add joy to my day😀.
CW Bill Rouse
Admiral, Texas Navy
Amel School http://www.amelschool.com
720 Winnie St
Galveston Island, TX 77550
Any opinions and conclusions expressed in this message are solely those of the author and should not be construed as representing the opinion of an expert. Manufacturers' and Expert's precautions must be considered when dealing with mechanical and/or electrical systems to ensure that you are NOT harmed, and/or the device and/or system is NOT ruined. If in doubt, do not touch any mechanical and/or electrical device or system referred to above.
On Sun, Aug 19, 2018 at 4:42 PM Danny and Yvonne SIMMS simms@... [amelyachtowners] <amelyachtowners@...> wrote: