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Need advice for brake brackets

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olendorf

Joined: 06 Jul 2006
Posts: 140
Location: Schenectady, NY USA

Posted: Sun Sep 12, 2010 11:46 am Post subject: Need advice for brake brackets

I have decided to replace the drum brakes on my Firestar with mountain bike mechanical discs.  I was flying with an Aerolite yesterday and it looked like his brakes would work well for me.  I need to create the bracket to hold the caliper as well as a bracket to attach the disc to the hub.  I'm looking for recommendation as to the type of metal to use.  I attached a picture so you can see the Aerolite setup. 



It looks like aluminum will work. Not sure of the thickness or alloy I would need.  What do you guys think?

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bracket1.jpg

Description:

disc brake brackets

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_________________
Scott Olendorf
Original Firestar, Rotax 447, Powerfin prop
Schenectady, NY
http://sites.google.com/site/kolbfirestar/

rickofudall

Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA

Posted: Sun Sep 12, 2010 12:04 pm Post subject: Need advice for brake brackets

Scott, I think 1/8" 2024-T3 or 6061-T6 would be fine for the plates. If it were me, I'd go with the 2024-T3 and alodine for corrosion protection. If you don't want to do the alodine, the 6061-T6 will do better even though it is a bit weaker (about 20%) than the 2024-T3. 



Rick Girard



On Sun, Sep 12, 2010 at 2:46 PM, olendorf <olendorf(at)gmail.com (olendorf(at)gmail.com)> wrote:

 	  Quote: 	
		   --> Kolb-List message posted by: "olendorf" <olendorf(at)gmail.com (olendorf(at)gmail.com)>

 

 I have decided to replace the drum brakes on my Firestar with mountain bike mechanical discs.  I was flying with an Aerolite yesterday and it looked like his brakes would work well for me.  I need to create the bracket to hold the caliper as well as a bracket to attach the disc to the hub.  I'm looking for recommendation as to the type of metal to use.  I attached a picture so you can see the Aerolite setup.

  

 It looks like aluminum will work. Not sure of the thickness or alloy I would need.  What do you guys think?

 

 --------

 Scott Olendorf

 Original Firestar, Rotax 447, Powerfin prop

 Schenectady, NY

 http://sites.google.com/site/kolbfirestar/

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=312221#312221

 

 

 

 

 Attachments:

 

 http://forums.matronics.com//files/bracket1_100.jpg

 

 

 

 

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herbgh(at)nctc.com
Guest

Posted: Sun Sep 12, 2010 1:37 pm Post subject: Need advice for brake brackets

I  built my mtn bike brakes attachments pretty much as in the picture 

that you sent...I used 6061 t6 .062   to mount the caliper... I used 

bushing stock as spacers with through bolts to locate the disk ...Herb

At 02:46 PM 9/12/2010, you wrote:

 	  Quote: 	
		  



I have decided to replace the drum brakes on my Firestar with 

mountain bike mechanical discs.  I was flying with an Aerolite 

yesterday and it looked like his brakes would work well for me.  I 

need to create the bracket to hold the caliper as well as a bracket 

to attach the disc to the hub.  I'm looking for recommendation as to 

the type of metal to use.  I attached a picture so you can see the 

Aerolite setup.



It looks like aluminum will work. Not sure of the thickness or alloy 

I would need.  What do you guys think?



--------

Scott Olendorf

Original Firestar, Rotax 447, Powerfin prop

Schenectady, NY

http://sites.google.com/site/kolbfirestar/





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=312221#312221





Attachments:



http://forums.matronics.com//files/bracket1_100.jpg

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olendorf

Joined: 06 Jul 2006
Posts: 140
Location: Schenectady, NY USA

Posted: Sun Sep 12, 2010 2:44 pm Post subject: Re: Need advice for brake brackets

Great, I went ahead and ordered the 6061-T6 in the .125



Thanks guys.

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_________________
Scott Olendorf
Original Firestar, Rotax 447, Powerfin prop
Schenectady, NY
http://sites.google.com/site/kolbfirestar/

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