[C320-list] Regatta Coronado

[Dick Walker]

Four months away.  You all come. 

Cheers



Dick Walker
740 Olive Ave.
Coronado ,CA 92118
619.435.8986



> On May 10, 2016, at 14:40, Mark Gillingham <markgill at uwalumni.com> wrote:
> 
> Warren,
> 
> Either way, it was a brilliant analysis.
> 
> Mark
> 
> Mark Gillingham | @markgillingham | gplus.to/MarkGillingham | Support a
> struggling student <http://101010scholarship.info> | Harbor-To-Harbor Blog
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> 
>> On Fri, May 6, 2016 at 9:12 AM, Warren Updike <wupdike at hotmail.com> wrote:
>> 
>> Oh, shoot, I did it again. I made a mistake in the example below. The
>> following line should be, 2.38Gal not Lbs in full tank. It should read:
>>        Or, 10lbs / 4.2lbs/gal = 2.38(US)Gal of propane in full tank
>> 
>> Actually, I just threw it in there to see if anyone was actually reading my
>> stuff. Apparently not.
>> 
>> Warren and Pattie Updike
>> 1994 C320 "Warr de Mar" #62
>> Middle River, Chesapeake Bay
>> 
>> -----Original Message-----
>> From: Warren Updike [mailto:wupdike at hotmail.com]
>> Sent: Thursday, May 05, 2016 2:29 PM
>> To: C320-List at Catalina320.com
>> Subject: [C320-list] How to assess Propane fill
>> 
>> Here is an accurate way to measure the level of propane in the tank. The
>> only thing you need is a scale to weigh the tank.
>> 
>> All propane tanks will have two weights stamped on the collar (top handle.)
>> 
>> TW (Tare Weight) - weight empty
>> 
>> WC (Water Capacity) - weight of tank when filled with water.
>> 
>> Regulations limit the propane level to not exceed 42% of the WC
>> 
>> Liquid propane weight 4.2 lbs/(US)gal.
>> 
>> 
>> 
>> My "10lb" aluminum tank WC=23.8; TW 10.0
>> 
>> Allowed propane weight it 23.8*.42=10 lbs
>> 
>> Propane weight + TW = weight of tank when full (10 + 10 = 20 lbs)
>> 
>> Or, 10lbs / 4.2lbs/gal = 2.38lbs of propane in full tank
>> 
>> 
>> 
>> I.e. if tank weighs 17 lbs, 17 - 10 TW = 7 lbs of propane at 4.2 lbs/gal =
>> 1.67 gal of propane or 70% full
>> 
>> 
>> 
>> Some stations sell by gallon, others by weight. So, figure both and compare
>> to what the attendant says when full.
>> 
>> 
>> 
>> Warren and Pattie Updike
>> 
>> 1994 C320 "Warr de Mar" #62
>> 
>> Middle River, Chesapeake Bay
>> 
>> 
>> 
>> 
>> 
>>