[Rhodes22-list] Gallons per hour

[Rick Lange]

Hi Chris,

I don't think so, especially with 4 stroke engines where the variables are
like that of car mileage.

However, older 2 strokes are very predictable because they burn fuel at a
constant rate.  My older 9hp burns a gallon each hour whether idling or
pushing through 5 ft waves.

Regards,

Rick


On Sat, Aug 25, 2018 at 9:47 AM Chris Cowie <ccowie at cowieassociates.com>
wrote:

> Trying to type on a phone.  My basic question, does hp divided by ten
> provide and accurate estimate of gallons per hour.
>
>
> Please note our new office address and phone number
>
> Christopher P. Cowie  [cid:image001.png at 01CA3AD3.5BD581F0]
>  [cid:image002.png at 01CA3AD3.5BD581F0]
>
> 700 N Fairfax Street<x-apple-data-detectors://3/0>
> Suite 304<x-apple-data-detectors://3/0>
> Alexandria, Virginia 22314<x-apple-data-detectors://3/0>
> 703.717.9103<tel:703.717.9103> ex.204 ● 202.270.1470<tel:202.270.1470>
> mobile
> [ccowie at cowieassociates.com<mailto:ccowie at cowieassociates.com>]
>
> [cid:image001.jpg at 01D24014.7A2D04E0]
> Please consider the environment before printing this email.
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>
> On Aug 25, 2018, at 9:24 AM, Charles Nieman <blue66corvette at hotmail.com
> <mailto:blue66corvette at hotmail.com>> wrote:
>
> Chris
> This sentence makes no sense and how did you change to km at the end ?????
>
> Sent from my iPhone
>
> Charles
>
> On Aug 25, 2018, at 7:29 AM, Chris Cowie <ccowie at cowieassociates.com
> <mailto:ccowie at cowieassociates.com>> wrote:
>
> A standard formula for an outboard is hp divided by ten or 8 hp divided by
> equals .8 gallons per hour at 3/4 speed 5 kts.  Does this seem about right?
> That would give a five gallon tank about 25 km plus.
>
>
>
> -----
> Christopher P. Cowie
>
> 4400 MacArthur Blvd, NW
> Suite 300
> Washington, DC 20007
> 202.342.2711 ex.204 ● 202.342.2691 fax ● 202.270.1470 mobile
> [ccowie at cowieassociates.com<mailto:ccowie at cowieassociates.com>]
>
>
>
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