Hydraulic Brakes for N96872

[TimHicks]

I'm mimicking the Chuck Avon 337 that uses Cub master-cylinders and new Grove wheels with disk brakes.
I added an aluminum floor plate that ties the brake foot-forces into all 5 of the floorboard mounting points.

Also notice the aileron cable circuit is installed with new cables and new ball-bearing pulleys from Doug Combs.
It feels good to be reassembling things finally.

[M Towsley]

Re: Hydraulic Brakes for N96872

You'll love the new pulleys, Tim, though it is a bear getting them in behind your head if you have a headliner.

[TimHicks]

Re: Hydraulic Brakes for N96872

Thanks Marty,
I'm looking forward to it. But you bring up good question that I've been wanting to ask this forum.
I don't plan to put in a headliner because I'm so tall.
But I'm think about trying to fabric the inside of the cabin. The cables and pulley would actually be visible on the outside of the fabric.

But my question is how do you convince the fabric to stay on the inside of the corners when the tension in the fabric makes it want to find a shorter path? Ribstiching to the
fuselage tubes?

Thanks, Tim

[Hank Jarrett]

Re: Hydraulic Brakes for N96872

I think I would run a small "inside stringer" on the inside of the tubes and fabric so the fabric wouldn't pull down between attachment points. Even a piece of SS welding rod could be used so that the longeron was outside, with the fabric next and the rod on the inside laced around the tube and rod through the fabric. You could cover the corner with a piece of tape doped on. I saw a Cub with a fabric interior and the open areas looked good, but it puckered between stitches on the inside corners.

Hank

[barnstmr]

Re: Hydraulic Brakes for N96872

Tim,
Are you really sure you wouldn't rather keep the original pedals? With the help of Robby Grove, Scott Raczynski, and Les Mittleider, we have developed the installation for pull-type master cylinders out of the way underneath the floor. It is a nice clean installation. With all due respect to my friend Chuck Avon, those J3 Cub Scott Master Cylinders are (in my opinion) too bulky and in the way for a Taylorcraft. They seem like a foot entanglement-induced ground-loop waiting to happen.

I have not officially announced this yet, but CAP now has the drawing package ready to go for the full-up Grove installation as described above with DER approval paperwork to back up your 337... no need to call FSDO.

[TimHicks]

Re: Hydraulic Brakes for N96872

wow, Terry, that's ingenious. It's just too bad that I didn't know anything about your design.
I like it though.
For me, I plan to stay with the Chuck Avon-type execution. I've already pretty invested in my current plan.
When the welder was replacing corroded tubing in my fuse, I told him not to bother putting the mini-tube (that the original brake pedals were attached to) back in .

I had the same concerns as you about all the hardware at your feet in the Avon-type design. But I talked to Chuck several times about how it felt. And since I installed my master cylinders, I also installed the seat just to sit in the airplane and to see how it felt. Granted, I don't have the rudder cables installed yet. But mocking up the rudder pedal position as best I could, it seemed fine (meaning it didn't seem that the brake pedals would be getting the way of normal rudder operation nor that the brakes would be getting activated inadvertently).

[barnstmr]

Re: Hydraulic Brakes for N96872

I am curious how much the cub master cylinders and hoses are going to cost. about 10 years ago, I horse-traded for one Cub MC that was worth over $500 at the time. just curious.

[N96337]

Re: Hydraulic Brakes for N96872

Terry, what wheels will that setup use? I like it!
John

[barnstmr]

Re: Hydraulic Brakes for N96872

It is intended for Grove 6.00 X 6 wheels and brakes.

[cvavon]

Re: Hydraulic Brakes for N96872

Terry the Scott masters i have i got on ebay for about $275 i think the thing i like is they don't make as much pressure as the ones you have and are less likely to nose the plane over with hard braking but it will get the tail up if you try hard. the way they are mounted the pedals are in the same place as the Tcraft pedals, and you don't need a reservoir as with Robby masters.Terry help your self to my 337 and use it am glad to see you do this as SHINN brakes are Junk.Oh 5 or 6 people have flown 26658 and no negative thoughts on the brakes other then they work well.

[VanDy]

Re: Hydraulic Brakes for N96872

Why do you say the Shinn Brakes are junk? I've yet to have any problems out of mine, they were a little tricky getting adjusted the first time, though. And what is the weight penalty (if any) for Terry's and your brake system set up?

Thanks!

Terry the Scott masters i have i got on ebay for about $275 i think the thing i like is they don't make as much pressure as the ones you have and are less likely to nose the plane over with hard braking but it will get the tail up if you try hard. the way they are mounted the pedals are in the same place as the Tcraft pedals, and you don't need a reservoir as with Robby masters.Terry help your self to my 337 and use it am glad to see you do this as SHINN brakes are Junk.Oh 5 or 6 people have flown 26658 and no negative thoughts on the brakes other then they work well.

[cvavon]

Re: Hydraulic Brakes for N96872

Well you must not have tried to get parts that fit shinn brakes. as far as the weight gain it was 6 lbs total with 26 in bush wheel tires.

[Hank Jarrett]

Re: Hydraulic Brakes for N96872

That 6# INCLUDES the extra weight of the two tires.
Hank

[cvavon]

Re: Hydraulic Brakes for N96872

Yes Hank with the bush wheels 6 lbs gain.I had some of the illegal 6ply tires on the plane.they were heavy also.

[VanDy]

Re: Hydraulic Brakes for N96872

Well you must not have tried to get parts that fit shinn brakes. as far as the weight gain it was 6 lbs total with 26 in bush wheel tires.

Not yet, fortunetly mine are still serviceable and I have a couple spares. 6 Pounds isnt as bad as I was expecting, with the bush wheels.