REFLECTOR: Bleeding Brakes procedures

[Kevin Baker]

Thanks all
Appreciate everyone's comments

On another note  
What procedure have folks found to be best for bleeding brake lines?

Again old style 

Thanks
Kevin Baker

.

On Jan 24, 2013, at 9:59 AM, "Stockman, Bill" <bill.stockman at daytonaero.com> wrote:

> Velocity has required DOT 5 in the original Matco brakes.    
> 
> 
> (per wikopedia, the expert on all aviation topics!)
> 
> DOT 5 is Not to be confused with DOT 5.1, a polyethylene glycol based fluid.
> 
> DOT 5 is one of several designations of automotive hydraulic brake fluid, denoting a particular mixture of chemicals imparting specified ranges of boiling point.
> 
> DOT 5 is a silicone-based brake fluid (contains at least 70% by weight of a diorgano polysiloxane[1]).
> 
> Unlike polyethylene glycol based fluids, it is hydrophobic. Its chief advantage over other forms of brake fluid is that silicone exhibits a more stable viscosity index in extreme temperatures. It is widely used in the antique automobile arena as well as it does not damage paint.
> 
> Using DOT 5 in a DOT 3 or DOT 4 system without proper flushing will cause damage to the seals and cause brake failure. DOT 5 brake fluid is not compatible with anti-lock brake systems. DOT 5 brake fluid absorbs a small amount of air requiring care when bleeding the system of air.
> 
> Bill Stockman
> Senior Associate
> Dayton Aerospace, Inc.
> 
> 937.426.4300  Office
> 937.369.4799  Cell
> bill.stockman at daytonaero.com
> www.daytonaero.com
> 
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On Behalf Of Andrew Ellzey
> Sent: Thursday, January 24, 2013 10:29 AM
> To: Velocity Aircraft Owners and Builders list
> Cc: Velocity Aircraft Owners and Builders list
> Subject: Re: REFLECTOR: What brake fluid to use with matco?
> 
> This discussion has been discussed in the past, and I seem to remember that using 5606 hydraulic fluid was the better choice. Has my memory failed me on this issue?
> 
> Andy Ellzey
> N151AJ XLRG
> 
> Sent from my iPhone
> 
> On Jan 23, 2013, at 5:30 PM, "Laurence Coen" <lwcoen at hotmail.com> wrote:
> 
>> Kevin,
>> 
>> DOT 5 is correct.
>> 
>> Larry Coen
>> N136LC
>> 
>> --------------------------------------------------
>> From: "Kevin Baker" <flykb at verizon.net>
>> Sent: Wednesday, January 23, 2013 2:00 PM
>> To: "Velocity Reflector" <reflector at tvbf.org>
>> Subject: REFLECTOR: What brake fluid to use with matco?
>> 
>>> Hi All
>>> I wanted to check on what type brake fluid to use with the old style 
>>> brake pedal and matco brakes I seem to remember it was Dot 5 but 
>>> wanted to double check
>>> 
>>> Thanks
>>> Kevin Baker
>>> 
>>> .
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