[MHml] recent comments

Andre Burity burity at mac.com
Wed Feb 21 05:29:22 EST 2007


Here's one with 12 to 24"

http://www.portaproducts.com/bracket.html

Andre

On Feb 20, 2007, at 12:01 AM, Bill Gibbs wrote:

> I haven't found a powered jackplate with more than 6" lift.  Got any
> references?
>
> Bill
> AB
>
> -----Original Message-----
> From: multihulls-bounces at steamradio.com
> [mailto:multihulls-bounces at steamradio.com] On Behalf Of capt.len
> Sent: Monday, February 19, 2007 3:37 PM
> To: Informed discussion of multihull issues
> Subject: Re: [MHml] recent comments
>
> I wonder if anyone has looked at the jack plates that are being  
> used on
> flats boats  Some will lift a 300 HP OB 18".  Seems would with trim  
> and tilt
> give a retractable power mount.
>
> And for those interested.
>
> Yamaha unveiled a new 350 HP OB at the Miami show.  Weighs 840 lbs  
> and costs
> $27000
>
>
>
> Dave Culp wrote:
>
>> Yeah, we are a society of "more horsepower."  ;-)
>>
>> FWIW, however, a dragster uses something on the order of 2-5
>> gallons/mile (not miles per gallon, but gallons per mile) and even
>> considering the largest budget AB likely commands, fuel economy is
>> still an issue, if only defined by her fuel carrying capacities
>> (volitile gasoline must be carried on deck for an application such as
>> this. I might also add that power, popular as it is, costs money and
>> even very wealthy people (of which Bill likely excludes himself)  
>> don't
>> like to just pi&$ it down drains, eh?  ;-)
>>
>> Last, again fwiw, top American dragsters do not spin their
>> wheels--spinning is an automatic loser--too slow. They keep 100%
>> contact with the road throughout their runs. Also, top fuelies do on
>> the order of 500-530 kph (340 mph), not ~250, and so it in less  
>> than 5
>> seconds, over 1/4 mile. They can do 0-530, and back to zero, all
>> inside of 15 seconds--pulliing G forces in excess of 5 on both the
>> runup and rundown. They do this with 5 Mw (6700 hp) V-8 piston
>> engines. (all per wikipedia).
>>
>> We got power, my friend. It's just a matter of how much Bill actually
>> wants to pay for!
>>
>> Dave
>>
>> On 2/19/07, Tim Bell <tim.bell at brightwater.co.nz> wrote:
>>
>>
>>> Aren't we/you getting hung up on ideal, and efficient, and  
>>> perfect.....
> All Bill needs is a big enough outboard to push AB along at a  
> better speed
> than he currently gets with the 20HP Honda. It doesn't matter a  
> tinkers cuss
> whether the prop is the right one or not. The motor will still  
> throw a s..t
> load of water behind it which will push AB along. As you Americans  
> are so
> keen to say nothing beats horsepower, the more the better.... :) An AA
> fueler dragster has more prop slip (wheelspin) than you ever  
> imagined but
> still manges to reach 250m/h in 4 or 5 seconds or so......
>>>
>>>
>>> Regards
>>>
>>> Tim
>>>
>>>
>>>
>>>
>>>
>>> -----Original Message-----
>>> From: multihulls-bounces at steamradio.com
> [mailto:multihulls-bounces at steamradio.com] On Behalf Of Dave Culp
>>> Sent: Tuesday, 20 February 2007 9:09 a.m.
>>> To: Informed discussion of multihull issues
>>> Subject: Re: [MHml] recent comments
>>>
>>> And yet there is a fairly appropriate, mature market segment--using
> largish outboards to push big houseboats around. A good engine  
> manufacturer
> rep (not your local salesman) might be able to specify a motor/prop
> combination optimized for the conditions you need.
>>>
>>> Dave
>>>
>>> On 2/19/07, Martin Schöön <martin.schoon at gmail.com> wrote:
>>>
>>>
>>>> On 2/19/07, Bill Gibbs <billg at gibbscam.com> wrote:
>>>>
>>>>
>>>>> Understood.
>>>>>
>>>>> Though there seems to be a lack of precision in the methods for
>>>>> pre-determining this.
>>>>>
>>>>>
>>>>>
>>>> Good enough to tell a 40 knot and a 15 knot design apart for sure.
>>>>
>>>> --
>>>> Martin Schöön              "Problems worthy of attack
>>>>                                         prove their worth by  
>>>> hitting
> back"
>>>>                                         Piet Hein
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>>>>
>>>>
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>
> -- 
> Live Long and Prosper
> Capt. Len Susman, retired
> trikini23 at trikini.com
> What's New
> http://www.trikini.com/whatn.htm
>
>
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