REFLECTOR: Sourcing Master Brake Cylinders

Oskar 3d_emc at earthlink.net
Sun Nov 4 16:16:09 CST 2007


Mr Michalk,
You are correct. The thread is metric. I can try to tell you the size once I get to the hanger.
(but the plunger does rotate freely, or I shall say, is not attached to the shaft that goes to the pedal.
If you still need I look and send the dimension.
Regards
Oscar

-----Original Message-----
>From: Brian Michalk <michalk at awpi.com>
>Sent: Nov 4, 2007 5:02 PM
>To: Velocity Aircraft Owners and Builders list <reflector at tvbf.org>
>Subject: REFLECTOR: Sourcing Master Brake Cylinders
>
>I'm giving up on my brake cylinders.
>I have a chronic leak, and while Juanita was going over the plans, she 
>noticed that we did not have the lock nut which is supposed to keep the 
>plunger from rotating.
>
>The threads in the Velocity supplied aluminum blocks don't look very 
>good, and I suppose that the AL blocks are tapped for standard threads 
>and the plunger is a metric thread.  I think the closest die I had was 
>5/16-18.
>
>Anyway, I want to find a master cylinder with SI threads.  Does anyone 
>have any part numbers?



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