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Author Topic: Race Tank Diagram  (Read 1618 times)

Offline Balsa Butcher

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Race Tank Diagram
« on: February 17, 2013, 07:56:44 PM »
I am looking for the SSR tank diagram/instructions that were posted awhile back, by Bill Bishop I think. I did a search and looked through the pages here but could not find it. My SSR needs more fuel capacity so I need to make a larger tank. Anyone know where it was posted?, or please post again. Thanks in advance.  8)
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Pete Cunha
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Offline bill bischoff

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Re: Race Tank Diagram
« Reply #1 on: February 18, 2013, 10:53:52 AM »
Post title "new SSR nearing completion".    BB
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Offline Balsa Butcher

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Re: Race Tank Diagram
« Reply #2 on: February 18, 2013, 02:18:12 PM »
Thanks Bill, got it...and sorry 'bout spelling your name incorrectly  b1. Pic is of the tank that will be replaced on a Shy Fox.  8)
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Pete Cunha
Sacramento CA.
AMA 57499

Offline Balsa Butcher

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Re: Race Tank Diagram
« Reply #3 on: March 07, 2013, 11:23:00 PM »
New tank fabricated per Bill Bischoff's instructions. Old tank capacity 1 ounce, new tank capacity 1.25 ounces, good for 40 laps at a relatively rich setting. Question: (which may seem stupid however I'll ask) I have been capping off the overflow. Is it necessary in this tank? I assume it is however removing a cap and re-installing it during a race is a mistake waiting to happen so I'm hoping to not have to do it. Thanks in advance. 8)
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Pete Cunha
Sacramento CA.
AMA 57499

Offline BillLee

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Re: Race Tank Diagram
« Reply #4 on: March 08, 2013, 04:04:58 AM »
Capping the overflow is NOT necessary.

With this design, you will have a uniflow. Since both vent and fill tubes end against the outside edge of the tank, whichever one actually bleeds the air is immaterial.
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Bill Lee
AMA 20018

Offline Balsa Butcher

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Re: Race Tank Diagram
« Reply #5 on: March 08, 2013, 08:27:39 AM »
Great! That's the answer I had hoped for. Thanks Bill...and Bill.  8)
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Pete Cunha
Sacramento CA.
AMA 57499

Offline Balsa Butcher

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Re: Race Tank Diagram
« Reply #6 on: April 14, 2013, 11:17:19 AM »
Per Bills instructions: All the tubes stop just inside the tank where they are installed. Details on the "SSR Nearing Completion" post. Works great! 8)
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Pete Cunha
Sacramento CA.
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Offline Mike Greb

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Re: Race Tank Diagram
« Reply #7 on: April 14, 2013, 06:44:49 PM »
These tanks have a tendency to richen up a bit during the run, I presume when the upper uniflow vent is uncovered.  It is not really noticeable with a full lean race setting, but if it is a little rich it is more noticeable.  Of course, running a sewer-pipe venturi might have something to do with it.
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