[Rhodes22-list] miles per gallon

michael meltzer mjm at michaelmeltzer.com
Sun May 4 18:10:04 EDT 2008


More likely is the Yamaha 9.9 high thrust 4 stoke

Tide is the same, it the wind over waves issues with swells, you need more
power and use more fuel.

-mjm

-----Original Message-----
From: rhodes22-list-bounces at rhodes22.org
[mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of Alan Robertson
Sent: Sunday, May 04, 2008 5:29 PM
To: The Rhodes 22 mail list
Subject: Re: [Rhodes22-list] miles per gallon

A lot depends on your speed. Since the Rhodes is a displacement hull, if you
figure 21 feet at the waterline(really closer to 20') it can't go any faster
than 5.7 knots which translates to around 6.5 MPH. I get about 4.5 -5 miles
per gallon on my 10 year old Johnson 9.9 by getting boat up to maximum speed
under full throttle and then backing off on the throttle little by little
until I can just maintain maximum speed with minimum throttle.
Without bucking waves or a strong headwind I get a maximum of 5 miles of
linear distance per gallon. I assume your Yamaha is a 2 stroke engine; you
get better mileage on a 4 stroke with the same rated horsepower.

I'd be curious as to what some of you salt water sailors get in tidal
waters.
Happy cruising!
Al Robertson

From: cowie<mailto:ccowie at cowieassociates.com> 
  To: rhodes22-list at rhodes22.org<mailto:rhodes22-list at rhodes22.org> 
  Sent: Friday, May 02, 2008 9:59 PM
  Subject: [Rhodes22-list] miles per gallon



  Does anyone know about how many miles per gallon the Rhodes 22 will get
with
  a Yamaha 9.9?


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