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  #21  
Old 08-25-2021, 07:48 AM
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ronschreck ronschreck is offline
 
Join Date: Mar 2006
Location: Gilbert, AZ
Posts: 1,695
Default Try this

Hey Moe,
I don't think you need to remove the gear legs. If all you need is an additional 3/32 inch of clearance I think you can remove the inner three bolts that secure the end of the gear leg and this should allow the leg to pivot slightly to give you room to extract the fittings. The large outer block is designed with a slight radius in it to allow the gear leg to flex around the radius rather than a square corner. There just might be enough play to rotate the gear leg enough to give you that 3/32 inch. Those three bolts are a lot easier to pull than the two that are buried the gear tower.
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  #22  
Old 08-28-2021, 02:31 PM
rv8gibbo rv8gibbo is offline
 
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Location: Maitland, Australia
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Default

I'd bite the bullet and remove it for what it's worth..
An engine crane and sling around the engine mount and away
you go.
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  #23  
Old 08-29-2021, 09:42 AM
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Toobuilder Toobuilder is offline
 
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Location: Mojave
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Default

Im using 1/8 OD (yes, same as fuel injector lines) for brakes on the Rocket. This uses the cone compression fittings to seal and so far has been flawless. Ill bet a 90 degree compression fitting will thread into that leg once the much longer AN fitting is removed. You would have to run new hardline up to the flex hose above the rudder pedals, but the 1/8 hardline is a breeze to work with.
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  #24  
Old 08-30-2021, 02:04 AM
dmn056 dmn056 is offline
 
Join Date: Aug 2014
Location: Sydney, Australia
Posts: 45
Default NPT banjo bolt?

Tom, you're an expert on this stuff. Have you ever seen or used anything like this?

Click image for larger version

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ID:	15239

https://www.ebay.co.uk/itm/171414187...YAAOSwDk5T428f

Would it be useful here?
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  #25  
Old 08-31-2021, 12:19 PM
moespeeds moespeeds is offline
 
Join Date: Apr 2021
Location: west berlin
Posts: 64
Default

I think that'd be really useful.

I ended up cutting out the old fittings, and replacing them with 1200 PSI brass street elbows and AN4 straights. I also ditched the aluminum hard line for super flexible aramid PTFE.

Saved me from pulling the gear legs, and now it's actually serviceable. I have new bolts and the heavy duty nuts on order, and I got a set of the bolt locks so I don't have to torque in the gear tower.

Thanks guys.

Quote:
Originally Posted by dmn056 View Post
Tom, you're an expert on this stuff. Have you ever seen or used anything like this?

Attachment 15239

https://www.ebay.co.uk/itm/171414187...YAAOSwDk5T428f

Would it be useful here?
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  #26  
Old 08-31-2021, 01:21 PM
jrs14855 jrs14855 is offline
 
Join Date: Apr 2008
Location: Lake Havasu City AZ
Posts: 2,593
Default Brake Line

Moe-
Nice to see my idea worked after 12 days of "gotta remove the gear." For the "next guy" the 90 degree fittings are also available in AN but I believe they require just slightly more clearance than the automotive/industrial.
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  #27  
Old 08-31-2021, 02:53 PM
TS Flightlines TS Flightlines is offline
 
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The banjos are a good idea---on paper.
Tom
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  #28  
Old 09-01-2021, 10:09 AM
g zero g zero is offline
 
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Location: palm coast fl.
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Default Leaking Elbow

I’ve be involved with plumbing for my entire life . Pipe dope works almost all the time ………. Recently we had some gas and water fittings that leaked no matter how tight we made them up with pipe dope . We now put them together with West Epoxy instead of pipe dope . Works perfectly.
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  #29  
Old 09-01-2021, 10:53 PM
TS Flightlines TS Flightlines is offline
 
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Location: Ridgeland, SC
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I'll add this---
I didnt see this as a -4 with either 1/8 or 1/4 NPT. The bolt has a female Torx hex head, and you'd need a really short Torx bit with a wrench in the space allowed. Would be better if there was a hex on the stud under the banjo. The other thing is the brakes are under alot higher pressure that your fuel system, and with that, any movement in the banjo 'may' allow some small volume of air to migrate into the system. The more air in the system, the softer the pedal.

Still easier to just reseal the AN fitting and go fly.

Tom
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  #30  
Old 09-26-2021, 09:05 PM
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goatflieg goatflieg is offline
 
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Quote:
Originally Posted by jrs14855 View Post
Moe-
Nice to see my idea worked after 12 days of "gotta remove the gear." For the "next guy" the 90 degree fittings are also available in AN but I believe they require just slightly more clearance than the automotive/industrial.
Turns out I'm the next guy. Any and all details you or Moe can give me would be extremely helpful. There's no way I'm pulling a gear leg at this late stage. Something else occurs to me: I wouldn't connect any aluminum to a brass fitting because of galvanic corrosion. Your thoughts?
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Last edited by goatflieg : 09-26-2021 at 09:29 PM.
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