[Public-List] A30 Hull Prismatic Coefficient

[americo silva]

check out into the Blue he has Electric drive probably give you some info


On Mon, Jun 28, 2021 at 8:01 PM David A. Bardsley via Public-List <
public-list at lists.alberg30.org> wrote:

>    Gordon,
>    Thanks for the pointer.
>    I've removed the PO's vetus diesel and am installing a 10kW electric
>    drive with a completely new transmission.  I'm free to pick an
>    arbitrary ratio to maximize (hopefully) the performance of my 2 blade
>    13-8 prop.
>    As you can imagine I'vd been spending a lot of time at Google
>    University and on the vic prop calculator!
>    Dave
>    Ginseng 574
>
>    On Jun 28, 2021 19:47, Gordon Laco <mainstay at csolve.net> wrote:
>
>    Check out Skene’s Elements of Yacht Design.  There will be information
>    there to allow you to make a good estimate.
>    I reckon you already know that if your boat has an Atomic IV, it has
>    direct 1:1 drive.
>    Gordon Laco
>    426 Surprise
>    [1]www.gordonlaco.com
>
>    On Jun 28, 2021, at 6:44 PM, David A. Bardsley via Public-List
>    <[2]public-list at lists.alberg30.org> wrote:
>
>      I'm designing my drive's reduction ratio and the resource at my
>      disposal requires our A30's prismatic coefficient as a part of the
>    drag
>      calculation.
>      Can anyone share a decent figure for our craft?
>      Dave
>      Ginseng 574
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> References
>
>    1. http://www.gordonlaco.com/
>    2. mailto:public-list at lists.alberg30.org
>    3. http://www.alberg30.org/store/A30supporters.html
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