[Public-List] Standard Prop Size and Pitch

Lawrence Morris morris.lc at verizon.net
Thu May 22 08:09:19 PDT 2008


Don,

I am not talking Flash light batteries.  8D refers to a size of deep  
cycle battery.  The rated Amp hours @ 20 amps is 225hrs.  We are  
discussing place between 6 -10 of these in the boat.

Larry


On May 21, 2008, at 9:50 PM, Don Campbell wrote:

> Hi Larry ;
>   If this worked well, every electric fork lift would be powered by  
> 8  D cells. because it would be so efficient. There are none of  
> those that I know of that work in fork lifts and in fact it takes  
> about 1800 lbs  of battery to have a 3000 lb fork lift last the 8  
> hour shift and from experience , the last 2 hours are not strong.   
> Whatever recommendation they give you check out the numbers very  
> carefully. Energy is energy and it can neither be created nor  
> destroyed  but there are a bunch of sales folk out there who would  
> have you believe in miracles!
>
> Don #528
> Lawrence Morris wrote:
>> David,
>>
>> Thank you for your thoughts.  When I referred to my customers needs  
>> I was speaking of battery capacity and maximum range between  
>> charges.  He has not ruled out 2, 3 or 4 blades.  We are wanting  
>> the manufacturer to make a recommendation.
>> Don # 528
>
>> Larry
>>
>> On May 21, 2008, at 9:17 AM, Dave Terrell wrote:
>>
>>> Larry,
>>>
>>> I think one's sailing style is relevant to prop choice. I have a  
>>> three blade prop and crusing is my sailing style. This prop stops  
>>> me on a dime and is much more reliable in backing than my previous  
>>> two blade prop was. It is a good fit for me. If I were racing were  
>>> my thing, I would  likely have a two blade prop.  Mike is   
>>> correct, if there is "an" A 30 prop, it is what Whitby specified.  
>>> One should remember that the intent of the first puchrasers was  
>>> one design racing. That said, more than one prop can work well on  
>>> this boat depending on owner's intent and sailing style.
>>>
>>> david, 432
>>>
>>>>>> Lawrence Morris <morris.lc at verizon.net> 05/20/08 11:39 AM >>>
>>> Thank You.
>>>
>>> Larry
>>>
>>> On May 20, 2008, at 11:23 AM, Mike Lehman wrote:
>>>
>>>>
>>>> 13 x 7 RH 2-bladeMike Lehman  ><((((º>`·.¸¸.·´¯`·.¸><((((º>`·.¸¸.·
>>>> ´¯`·.¸><((((º>  > Date: Tue, 20 May 2008 11:21:17 -0400> From: morris.lc at verizon.net
>>>>> To: public-list at lists.alberg30.org> Subject: [Public-List]
>>>> Standard Prop Size and Pitch> > Anyone know the standard size and
>>>> pitch of the Alberg 30 propeller?> > Larry> > >
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