[Public-list] 10hp Diesel?

dickdurk at atlanticbb.net dickdurk at atlanticbb.net
Wed Jun 13 15:01:14 PDT 2007


You are also comparing brake HP. (gas) to shaft HP. 
(Diesel). Tricky business.

My 15 HP. diesel delivers way more thrust (swinging a 
bigger wheel with more pitch) than the A4 ever did. Does 
that mean I need more power punching into a gale with 4' 
seas? Yep. I guess I do.

MichaelGrosh
#220


On Wed, 13 Jun 2007 15:15:36 -0400
  "Mike Lehman" <sail_505 at hotmail.com> wrote:
> If you look at the performance curve of an Atomic 4 
>running at 1400 RPM, you 
> will notice that, at that speed, the output is about 10 
>HP. A couple of 
> things to note - #1. the Atomic 4 is running at 1:1 
>which means 1400 RPM at 
> the engine is 1400 at the prop. Ususally diesel engines 
>have a 2:1 reduction 
> gear, so to get 1400 RPM prop speed you need to run the 
>engine at 2800 RPM. 
> This will give you 5-6 knts of boat speed. #2. On most 
>diesels it is 
> recommended to run at 75-80% of full throttle which 
>would give you about 7-8 
> HP effectively. Depending on how you use your boat this 
>may be a bit 
> underpowered.
> 
> 
> 
> Mike Lehman
> ~~~_/)_/)~~_/)~~~
> 
> 
> 
> 
> ----Original Message Follows----
>From: Derrick Serrer <cptn_derrick at yahoo.ca>
> Reply-To: Alberg 30 Public List -- open to all 
> <public-list at lists.alberg30.org>
> To: Alberg 30 Public List -- open to all 
><public-list at lists.alberg30.org>
> Subject: [Public-list] 10hp Diesel?
> Date: Wed, 13 Jun 2007 13:45:43 -0400 (EDT)
> 
> I have recently purchased an A30 that does not have an 
>inboard engine. There 
> is a 10hp Volvo deisel for sale in my area. Any comments 
>on wether or not 10 
> horses is enough?
>   Thanks
>   Derrick
> 
> 
> 
> 
> ---------------------------------
> Now you can have a huge leap forward in email: get the 
>new Yahoo! Mail.
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
> public-list mailing list
> public-list at lists.alberg30.org
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> 
> _________________________________________________________________
> Need a break? Find your escape route with Live Search 
>Maps. 
> http://maps.live.com/default.aspx?ss=Restaurants~Hotels~Amusement%20Park&cp=33.832922~-117.915659&style=r&lvl=13&tilt=-90&dir=0&alt=-1000&scene=1118863&encType=1&FORM=MGAC01
> 
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
> public-list mailing list
> public-list at lists.alberg30.org
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org


 1181772074.0


More information about the Public-List mailing list