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  #1  
Old 12-07-2019, 02:17 AM
Stewbronco Stewbronco is offline
 
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Default Inverted brake fluid reservoir

Any recommendations on inverted brake fluid reservoir on RV4 ? Thanks. Stew pictures are worth a thousand words 👍
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  #2  
Old 12-07-2019, 07:12 AM
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vlittle vlittle is offline
 
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Quote:
Originally Posted by Stewbronco View Post
Any recommendations on inverted brake fluid reservoir on RV4 ? Thanks. Stew pictures are worth a thousand words 👍
Replace the plug with a fitting and run a vent line to below the reservoir, exiting the cowling. You could also install a check valve at the top of the reservoir instead or in addition to the vent line.
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Old 12-07-2019, 09:06 AM
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JonJay JonJay is offline
 
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http://reservoirdog.alexap.com/index.html
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Old 12-07-2019, 01:43 PM
Norman CYYJ Norman CYYJ is offline
 
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I have had success using a PVC valve. Cut the flared end off and then thread to match the reservoir. It acts a check valve.
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  #5  
Old 12-07-2019, 01:49 PM
penguin penguin is offline
 
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Location: England
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Use a solid plastic plug in the reservoir, I've never found a vent that didn't leak during acro, esp rolling circles! Be aware that the brakes will feel soft at some point, take the plug out and let some air in. Brakes will feel fine again. Needs to be done 2 or 3 times before the pads are worn out.
Pete
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  #6  
Old 12-07-2019, 03:56 PM
mdevans9 mdevans9 is offline
 
Join Date: Jan 2006
Location: Hockessin,Delaware
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Default Reservoir Dog

+1

Works great. Never a drop, but I don't do rolling circles in my RV-7. Just the usual Sportsman stuff.

Merrill
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  #7  
Old 12-07-2019, 10:35 PM
Stewbronco Stewbronco is offline
 
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Default Reservoir dog

Quote:
Originally Posted by JonJay View Post
Perfect ... this was what I was looking for just couldn't remember the name. Many thanks. Stew
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  #8  
Old 12-08-2019, 04:41 AM
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ronschreck ronschreck is offline
 
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Fill the reservoir 2/3 full and plug the vent hole. There is enough air in the top of the reservoir to allow fluid to flow as required.
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Old 12-09-2019, 08:17 PM
SJordan SJordan is offline
 
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Quote:
Originally Posted by Stewbronco View Post
Perfect ... this was what I was looking for just couldn't remember the name. Many thanks. Stew
I use these on my smoke tank and my brake reservoir, spend lots of time inverted and not a single drop of oil has ever come out! Work amazing.
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  #10  
Old 12-10-2019, 04:35 AM
WingsOnWheels WingsOnWheels is offline
 
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I used a reservoir for a hot-rod. It has an automotive-style diaphragm seal under the cap. I did mine this way since I am using DOT4, but it would serve the purpose for inverted flight as well. Looks nice too.

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