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Dragging Brakes

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Greg McFarlane

Joined: 12 Apr 2012
Posts: 58
Location: Albany Western Australia

Posted: Thu Aug 20, 2015 4:59 am Post subject: Dragging Brakes

After reading posts by others about brakes overheating due to brakes dragging (fluid pressure failing to release) I decided to revisit my rudder/brake peddle installation, I know others have said the standard setup has worked fine for them but JFYI here is my effort to reduce global warming. First, to reduce the chance of unintentional brake application while taxiing using full rudder input as the main steering method a 3/4"round nylon addition was bolted to each rudder bar with 2 #8 screws, the back is turned out 1/8"so it nests on the bar giving approx another 5/8"toes to brakes. The 2 bolts per brake peddle with the potential to twist and bind if not perfectly adjusted (all the time) were replaced with a single long bolt, AN3-57A was perfect for my lug to lug distance of five and half inches and allowed a nylock nut with washers to bottom out and allow perfect frictionless movement. Next made up a two hole bracket riveted to the original so the bottom brake cylinder bolt now has two supports, again the longer bolt is sized so nyloc nut with washers bottoms out. All home grown cheap fixes that IMHO are well worth the effort. Cheers from Western Australia

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flying-nut(at)cfl.rr.com
Guest

Posted: Thu Aug 20, 2015 6:37 am Post subject: Dragging Brakes

Thanks for the pic .... 1000 words! The other thing you can do is put a 

compression spring on the brake cylinder shaft to help it fully relax.  

the spring won't totally help the big feet problem but will help the 

lightly dragging brake problem.

Linn ..... sorry, no pic



On 8/20/2015 8:59 AM, Greg McFarlane wrote:

 	  Quote: 	
		   



 After reading posts by others about brakes overheating due to brakes dragging (fluid pressure failing to release) I decided to revisit my rudder/brake peddle installation, I know others have said the standard setup has worked fine for them but JFYI here is my effort to reduce global warming. First, to reduce the chance of unintentional brake application while taxiing using full rudder input as the main steering method a 3/4"round nylon addition was bolted to each rudder bar with 2 #8 screws, the back is turned out 1/8"so it nests on the bar giving approx another 5/8"toes to brakes. The 2 bolts per brake peddle with the potential to twist and bind if not perfectly adjusted (all the time) were replaced with a single long bolt, AN3-57A was perfect for my lug to lug distance of five and half inches and allowed a nylock nut with washers to bottom out and allow perfect frictionless movement. Next made up a two hole bracket riveted to the original so the bottom brake cylinder bolt !

   now has two supports, again the longer bolt is sized so nyloc nut with washers bottoms out. All home grown cheap fixes that IMHO are well worth the effort. Cheers from Western Australia





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