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Re: Europa-List: Monowheel master cylinder?

Subject: Re: Europa-List: Monowheel master cylinder?
From: Bob Borger <rlborger@mac.com>
Date: Wed, 14 Oct 2009 14:39:53

John & Raimo,

You should be able to find a source for some small industrial syringes.  
They are handy for adding/removing brake fluid to/from the master cylinder
without creating too much mess.

I know that they are available from ACS, McMaster-Carr and Wicks.  
http://www.aircraftspruce.com/catalog/cmpages/comptoolsyringe.php
http://www.aircraftspruce.com/catalog/cmpages/tapertipapplicator.php
http://www.mcmaster.com/#syringes/=425n9t
http://www.wicksaircraft.com/catalog/product_detail.php/pid=7939~subid=10381/index.html

I would imagine that there is an industrial supplier in your area where they 
can be purchased.  

Bob Borger

On Wednesday, October 14, 2009, at 02:16PM, "Raimo Toivio" <raimo.toivio@rwm.fi>
wrote:
>
>John,
>
>That is true. It was just today I was thinking the same problem.
>I filled the cylinder last spring and now after about 50 hrs flight time /100
landings my brakes are almost gone.
>As you well know the situation appears suddenly: day before everything OK but
today I cannot keep it there during magneto check. Brake pads are almost new 
like.
>
>I mentioned this thing to one aircraft service man and he told there are 
>several
brake systems (with no reservoir) with screw adjustable lever position - so
it is possible to compensate the increasing stroke.
>
>I would love to have it. Adding fluid is not my favourite job.
>
>Raimo OH-XRT 149 hrs
>----- Original Message ----- 
>From: "John & Paddy Wigney" <johnwigney@windstream.net>
>To: "Europa-List" <europa-list@matronics.com>
>Sent: Wednesday, October 14, 2009 6:48 PM
>Subject: Europa-List: Monowheel master cylinder?
>
>
>> 
>> Dear Europaphiles,
>> 
>> There has been quite a lot of discussion lately regarding problems on 
>> tri-gear brakes. I now have a question on monowheel brakes. 
>> 
>> The problem I have is that as the brake pads wear, the stroke on the 
>> handle increases and the only way to fix this is to add fluid to the 
>> cylinder since there is no external reservoir. This procedure is a bit 
>> clumsy and fluid also has to be removed when new pads are fitted
>> 
>> Has anyone had success with fitting a different system with a reservoir 
>> which avoids this problem? Any suggestions or comments would be welcome.
>> 
>> Cheers, John
>> 
>> N262WF, mono XS, 912S
>> Mooresville, North Carolina
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>
>



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