[NSRCA-discussion] SODA BOTTLE FUEL TANK
Wayne Galligan
wgalligan at texasairnet.com
Sat Feb 18 15:25:33 AKST 2006
Chuck,
The Coke bottle still has the advantage. Wont crush easily and by the time you add a stopper the aluminum fuel tank will weight about the same as a regular fuel tank. My soda bottle fuel tank weights 1.7oz complete...before beer. But if you weight enough of those beer can bottle shaped thingies you wont care anyways.
Wayno
----- Original Message -----
From: Chuck Hochhalter
To: 'NSRCA Mailing List'
Sent: Saturday, February 18, 2006 11:50 AM
Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK
Generally I listen more than I speak in discussions here but in this case I happen to be an expert. Just happen to have a 16 oz Budweiser select aluminum "bottle" here and it weighs 2.1 oz.
Enjoy!
Chuck Hochhalter
-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of brian young
Sent: Saturday, February 18, 2006 8:53 AM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK
Anyone seen the aluminum bear bottle shaped bear cans? Wonder what those weight empty.....could be an interesting excercise some evening.....
Ed Miller <edbon85 at charter.net> wrote:
Won't it still shrink in the cold ??
Ed M.
----- Original Message -----
From: Dean Pappas
To: ! NSRCA Mailing List
Sent: Thursday, February 16, 2006 5:23 PM
Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK
The bottle that rubbing alchohol is typically sold in is made of polyethylene. They are typically very thin walled, and light.
Maybe this would solve some of your shrinkage problems?.
Dean Pappas
Sr. Design Engineer
Kodeos Communications
111 Corporate Blvd.
South Plainfield, N.J. 07080
(908) 222-7817 phone
(908) 222-2392 fax
d.pappas at kodeos.com
-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of jivey61 at bellsouth.net
Sent: Thursday, February 16, 2006 5:17 PM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK
Wayne
I just flew the coke bottle tank today and I get 15 minutes on 24 oz of fuel.It actually draws fuel down to 1 oz in the tank,doing the Masters pattern.
The upside is I don't have to fill it full to complete the pattern. The weight savings is 2.5 oz using this tank.
To review...... this was a 33 oz, 1 liter coke bottle' that I pickled with 30 % heli for 2 months.
!
Jim Ivey
----- Original Message -----
From: Wayne Galligan
To: NSRCA Mailing List
Sent: Thursday, February 16, 2006 8:28 AM
Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK
Wow!!! 24 oz.... I can fly 15 min. on the 15.9 oz. bottle with my OS 1.40. I was wondering why these wide body planes started getting so popular.... got to have'em so you can put a big en! ough fuel tank in them.
Wayne
----- Original Message -----
From: jivey61 at bellsouth.net
To: NSRCA Mailing List
Sent: Wednesday, February 15, 2006 8:36 PM
Subject: Re: [NSRCA-discussion] SODA BOTTLE FUEL TANK
Wayne
I was getting ready to update my experiment with the 33 oz coke bottle filled with fuel 30%. I let it sit and shrink for 2 months,then when! it appeared to stop shrinking I removed the fuel and carefully measured the volume.The bottle started life as 33 oz,1 liter and now holds 24 oz liquid. Which is perfect for a thirsty 160 DZ with a 4 blade prop.I have it in my Smaragd and will fly (test) tomorrow. Should work fine and no more shrinking.
Jim Ivey
----- Original Message -----
From: Wayne Galligan
To: NSRCA Mailing List
Sent: Wednesday, February 15, 2006 6:21 PM
Subject: [NSRCA-discussion] SODA BOTTLE FUEL TANK
FYI... I had a conversation with a flying friend the other day about the
soda bottle fuel tanks and the way they shrink. He happens to work for
Pepsi and explained to me that the bottles are blow molded. He said if they
are not used with in a certain period of time that the memory in the plastic
takes over and they will shrink in size and then they have to discard the
old bottles. The carbonized soda keeps the shape of the bottle till used.
He said that most likely the nitro content speeds up the process and could
explain why some of you using them with higher then 15% nitro are
experiencing this phenomenon.
So.... drink another one.... rinse and fill.
Wayne Galligan
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