Twin DE vs Single motor

eyschulman

Commander
Joined
Jul 20, 2012
Posts
333
Likes
84
Location
seattle
Boat Make
Devlin 48 & Marshal Sanderling
Who has twins in a DE? How does it run compaired to single in your opinion? How is the fuel burn? Do you notice any significant seakeeping issues?
 

atlanticblue

Lieutenant Commander
Joined
Sep 13, 2011
Posts
214
Likes
24
Location
Nantucket Island
Boat Make
35 ft Bruno Stillman
Two motors twice the maintance ! More fuel burn and really ment for a Plainfield hull!but it will get you home if something should happens to one of them! Most of the time.downeast boats are supposed to be somewhat fuel efficient for there size!!!!
 

captainlarry84

Rear Admiral
Joined
Sep 13, 2011
Posts
1,295
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239
Location
Freeport NY
Boat Make
KristenFormer Charter Captain
DE boats are all designed by naval engineers for single screw applications. The hulls have deep wineglassed bottoms and a keel so the power planets can be nested deep within the belly of the beast where the weigh belongs with large skeg rudders. Twin scewing them defeats that design.
Many builders have on their own converted these boats to two screw designs. The motors are then place much higher in the vessel affecting the stability. The fuel tanks which in most cases are twin tank on both sides of the keel then get replaced by a single center tank. The keels are also cut way down so the twin spade rudders can do their job. The list of changes continues.
The only twin screw DE type boats that are very successful is the Henriques line of boats. If you are looking for a twin DE this is your best bet.
Some of the hard chin DE models such as the old Harris and Runaway also twin screw well along with the Wes Mac line.
If you have your heart set on a Duffy, Bruno, H&H, Beal, Young Brothers, JC, Holland etc. go with a single.
Twin screw boats truly rise to the top in all of the Vee bottom boats none of which are in the DE category.

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