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-   -   Inverted brake fluid reservoir (http://www.vansairforce.com/community/showthread.php?t=177515)

Stewbronco 12-07-2019 03:17 AM

Inverted brake fluid reservoir
 
Any recommendations on inverted brake fluid reservoir on RV4 ? Thanks. Stew pictures are worth a thousand words 👍

vlittle 12-07-2019 08:12 AM

Quote:

Originally Posted by Stewbronco (Post 1391190)
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.

JonJay 12-07-2019 10:06 AM

http://reservoirdog.alexap.com/index.html

Norman CYYJ 12-07-2019 02:43 PM

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.

penguin 12-07-2019 02:49 PM

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

mdevans9 12-07-2019 04:56 PM

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

Stewbronco 12-07-2019 11:35 PM

Reservoir dog
 
Quote:

Originally Posted by JonJay (Post 1391247)

Perfect ... this was what I was looking for just couldn't remember the name. Many thanks. Stew

ronschreck 12-08-2019 05:41 AM

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.

SJordan 12-09-2019 09:17 PM

Quote:

Originally Posted by Stewbronco (Post 1391373)
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.

WingsOnWheels 12-10-2019 05:35 AM

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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