[Rhodes22-list] Trailer

[Frank Goldsmith]

Actually, the little stove I take on my boat is butane-powered, with cannisters.  Works quite well.

Frank

> On May 23, 2021, at 4:22 PM, Lee Kuhn <lvjkuhn at gmail.com> wrote:
> 
> Obviously wasn't my best joke.  Butane is lighter fluid, as in cigarette
> lighter fluid. :)
> 
> 
> On Sun, May 23, 2021, 3:10 PM ROGER PIHLAJA <roger_pihlaja at msn.com> wrote:
> 
>> Hi All,
>> 
>> Sea water is 8.55 lbs/gal, or about 2% more dense than fresh water.
>> 
>> All the hydrocarbon liquids are about 10% less dense than fresh water.
>> But, keep in mind that many of the commonly used fuel gases are vapors at
>> room temperature:
>> Boiling Point @ Sea Level (deg F)
>> Methane: -259
>> Ethane: -128
>> Propane: -44
>> Isobutane: 11
>> n-Butane: 31
>> 
>> All of these materials come from natural gas, which is mostly methane.
>> The higher molecular weight hydrocarbons are naturally present in varying
>> amounts depending on the natural gas field.  They are more valuable than
>> methane and are usually separated out prior to the methane being sent down
>> the natural gas pipeline.
>> 
>> Note that n-butane is barely a vapor at room temperature.  For this
>> reason, it is not considered a very good stove fuel.  n-Butane is much more
>> valuable as a petrochemical feedstock.  The 1 lb propane cylinders sold in
>> hardware stores contain nearly pure propane (98+ %wt).  But, because
>> propane boils at -44 deg F, the cylinder it is sold in is actually a steel
>> pressure vessel.  This cylinder adds more weight than was saved by using
>> the less dense fuel.  The disposable gas cylinders commonly sold for
>> camping stoves typically contain 80%wt propane and 20%wt isobutane so the
>> stove will operate in cold temperatures.  However, because isobutane and
>> n-butane are chemically similar, they are very difficult to separate.  For
>> this reason, commercial grade isobutane can typically contain 2-6%wt
>> n-butane as a contaminant.  Low grade camp stove fuel tends to contain more
>> n-butane and may not work in your stove on a cold morning.  This camp stove
>> fuel must be sold in a steel pressure vessel, also reducing the weight
>> savings.
>> 
>> Roger Pihlaja
>> S/V Dynamic Equilibrium
>> 
>> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for
>> Windows 10
>> 
>> From: Ric Stott<mailto:ric at stottarchitecture.com>
>> Sent: Sunday, May 23, 2021 10:24 AM
>> To: The Rhodes 22 Email List<mailto:rhodes22-list at rhodes22.org>
>> Subject: Re: [Rhodes22-list] Trailer
>> 
>> Fresh water and salt water are different.
>> 
>> Sent from my iPhone
>> 
>>> On May 23, 2021, at 10:07 AM, Lowe, Rob <rlowe at vt.edu> wrote:
>>> 
>>> Lee,
>>> A gallon of water will weigh more.  Looks like butane is around 5 pounds
>> per gallon. - rob
>>> 
>>> ________________________________
>>> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> on behalf of
>> Lee Kuhn <lvjkuhn at gmail.com>
>>> Sent: Sunday, May 23, 2021 9:58 AM
>>> To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
>>> Subject: Re: [Rhodes22-list] Trailer
>>> 
>>> Rob,
>>> 
>>> But what weighs more?  A gallon of water or a gallon of butane?
>>> 
>>> Lee
>>> 
>>>> On Sun, May 23, 2021, 9:44 AM Lowe, Rob <rlowe at vt.edu> wrote:
>>>> 
>>>> Water is 8.34 pounds per gallon. - Rob
>>>> 
>>>> ________________________________
>>>> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> on behalf of
>> Lee
>>>> Kuhn <lvjkuhn at gmail.com>
>>>> Sent: Friday, May 21, 2021 5:33 PM
>>>> To: The Rhodes 22 Email List <rhodes22-list at rhodes22.org>
>>>> Subject: Re: [Rhodes22-list] Trailer
>>>> 
>>>> Oops!  Thanks.
>>>> 
>>>> But how much does a gallon of water weigh?
>>>> 
>>>> On Fri, May 21, 2021, 5:25 PM Michael D. Weisner <mweisner at ebsmed.com>
>>>> wrote:
>>>> 
>>>>> Lee,
>>>>> 
>>>>> Please check your math. The tongue weight should be 10% of 5,000 lbs.
>> or
>>>>> 500
>>>>> lbs., not 50 lbs.
>>>>> 
>>>>> Mike
>>>>> s/v Wind Lass ('91)
>>>>> Nissequogue River, NY
>>>>> I'd rather be sailing :~)
>>>>> 
>>>>> -----Original Message-----
>>>>> From: Rhodes22-list <rhodes22-list-bounces at rhodes22.org> On Behalf Of
>>>> Lee
>>>>> Sent: Friday, May 21, 2021 4:44 PM
>>>>> To: rhodes22-list at rhodes22.org
>>>>> Subject: Re: [Rhodes22-list] Trailer
>>>>> 
>>>>> I've never trailered anything before so I checked with the archives,
>> the
>>>>> Internet, and Stan.
>>>>> 
>>>>> Looks like:
>>>>> 
>>>>> 17-inch coupling height
>>>>> 
>>>>> 2-inch ball
>>>>> 
>>>>> 4-prong electrical connection
>>>>> 
>>>>> safety chains (do those come with the trailer?)
>>>>> 
>>>>> 10 to 15% tongue weight which would be 50 to 75 pounds with a 5,000
>> pound
>>>>> boat/trailer.  Stan feels more comfortable with 100 pound tongue
>>>> weight.  I
>>>>> don't believe everything I read on the Internet so I'll go with Stan's
>>>>> recommendation.  Apparently too little tongue weight and your trailer
>>>> will
>>>>> fishtail and too much tongue weight will overload your rear tires and
>>>> could
>>>>> create a variety of handling and braking issues.
>>>>> 
>>>>> Lee
>>>>> Soon to have a 1999 Rhodes22
>>>>> Claytor Lake, VA
>>>>> 
>>>>> 
>>>>> 
>>>>> --
>>>>> Sent from: http://rhodes-22.1065344.n5.nabble.com/
>>>>> 
>>>>> 
>>>> 
>> 
>>