Backcountry Pilot • Brake line mods

Brake line mods

Have you modified your aircraft? STC? STOL Kit? Major rebuild from just a data plate?
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Re: Brake line mods

The oil can method is awesome. That's what I use when I'm alone and don't have someone to watch the fluid level in the reservoirs.

You can meter the fluid level very precisely with every pump. [emoji1360]
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Re: Brake line mods

6638DB06-D1D1-48C7-94D8-8976376B37AC.jpeg
Flex line


Learned the hard way not to have hardlines going to the caliper .had to do a rebuild on the whole plane due to that lesson. If you’re flying in the back country a lot of vibration gets transferred there with the potential to crack a hard line.
The bleeder in the photo has worked great . have done it all kinds of ways ,this has been the best for me. I just put my go Pro in the cockpit to watch the Reservoir while I am outside pumping from the bottom Watching it on my phone
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Re: Brake line mods

Man you guys go high tech to watch the fluid level inside. I just have a hose that threads in the top of the reservoir and into a container. That way I can push extra through to ensure all the air is out.

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Re: Brake line mods

I just crawl inside head first to check level at master cylinder.
If I over fill a bit, no big deal--
I just have to wipe the belly where it seeps out after tbe next several flights.
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Re: Brake line mods

Seems like the ways I've used to jack up the airplane -- jack point or choker on gear leg -- wouldnt work with the brake lines faired in as per Ryans photos.
You'd have to jack it up up at the wing or hoist it by lifting eyes or the engine mount.
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Re: Brake line mods

hotrod180 wrote:Seems like the ways I've used to jack up the airplane -- jack point or choker on gear leg -- wouldnt work with the brake lines faired in as per Ryans photos.
You'd have to jack it up up at the wing or hoist it by lifting eyes or the engine mount.
Just 2 metal plates with rubber glued on them and 2 bolts. Suck the 2 plates together with the bolts and it won't go anywhere. Works great for many different sizes of hear legs and thicknesses.

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Re: Brake line mods

Battson wrote:Can anyone share a link of where to buy the stainless braided brake lines? Experimental or certificated, either is good.


Hey John, google Dewtec, ENZED, Hose Doctor. They have trucks set up to do it on site, ask them to use JIC fittings, they're also 37' and work just fine with AN fittings
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Re: Brake line mods

onefitty wrote:
Battson wrote:Can anyone share a link of where to buy the stainless braided brake lines? Experimental or certificated, either is good.


Hey John, google Dewtec, ENZED, Hose Doctor. They have trucks set up to do it on site, ask them to use JIC fittings, they're also 37' and work just fine with AN fittings

Thanks mate!
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Re: Brake line mods

hotrod180 wrote:
Aryana wrote:Push the fluid up from the caliper using one of these 150ml syringes and you'll be pleasantly surprised.
They also work as a vacuum bleeder too if you prefer that.
3 Pack 150ml Syringes
https://www.amazon.com/dp/B07BJ9P8FP?re ... b_ap_share


That's a novel way to bleed brakes.
I use one of these, from the bargain bin at Napa.

Image

Works better & less hassle than a friend of mine's spendy shop-air-powered bleeder.


Same here, plus a turkey baster to suck out any excess in the reservoir.
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Re: Brake line mods

Here’s how I did it.
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305BF1ED-1354-4F58-B4E1-639F126297D5.jpeg
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Re: Brake line mods

Is that one of those Vern Goodsell / Landing Gear Works jacks?
Those look pretty nice, unfortunately for my budget they're a bit spendy for a one-trick pony.
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Re: Brake line mods

FYI, you can order aeroquip 666 stainless steel with teflon brake lines in custom made lengths in 1/8" increments and straight, 45 and 90 degree fittings from Aircraft Spruce. They say they are FAA approved. You can also order the standard rubber 303 hose as well. They ain't cheap.

See the following link:

https://www.aircraftspruce.com/pages/ap/hose_0aeroquip/hoseassembly.php

Assembly instructions are also there for building your own.

They also sell the hose and fittings separately and you can make your own. See the following video:

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Re: Brake line mods

soyAnarchisto wrote:FYI, you can order aeroquip 666 stainless steel with teflon brake lines in custom made lengths in 1/8" increments and straight, 45 and 90 degree fittings from Aircraft Spruce. They say they are FAA approved. You can also order the standard rubber 303 hose as well. They ain't cheap.

See the following link:

https://www.aircraftspruce.com/pages/ap/hose_0aeroquip/hoseassembly.php

Assembly instructions are also there for building your own.

They also sell the hose and fittings separately and you can make your own. See the following video:



If you do your own 303, I recommend the ATS mandrels rather than the aeroquip ones. $20 vs $150.

https://www.aircraft-tool.com/shop/deta ... id=2701-12
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Re: Brake line mods

Maxie wrote:Here’s how I did it.


That’s exactly what I think I will do. I have heard some say that a full length flex line can give a spongy feel, but I am confident modern lines are fine. I think it’s the neatest solution.
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