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Brakes / Wheels: Difference between revisions
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* [https://www.groveaircraft.com/wbproducts.html Grove] (known for better master cylinders, the stock ones hang after some years) | * [https://www.groveaircraft.com/wbproducts.html Grove] (known for better master cylinders, the stock ones hang after some years) | ||
* [http://matcomfg.com/ Matco] (known for higher brake action than stock) | * [http://matcomfg.com/ Matco] (known for higher brake action than stock) | ||
** [[Matco installation recommendations]] | ** [[Matco installation recommendations]] (longevity and addressing high temps) | ||
** Matco vs stock (Grove):<br>[[File:2022-10-29 13-30-41.jpeg|400x400px]]<br>Above picture shows the stock main wheel on the left and the Matco wheel with 3 piston brake on the right.<br>[[File:2022-10-29 13-30-14.jpeg|400x400px]]<br>The Matco brake disk is 10 mm closer to the rim compared to the stock wheels (to make room for the stronger brake cylinders but also for improved spacing of the hot disks to the fiberglass fairings).<br>See also this video on the Matco brakes and their installation: [https://www.youtube.com/watch?v=iUxt7ipMKho YouTube video by "a leaf on the wind"]<br>See also this video on the Matco brakes vs. the stock brakes: [https://youtu.be/w7MU13t5BDE?t=433 YouTube video by Base Leg Aviation (Vic Syracuse)] | ** Matco vs stock (Grove):<br>[[File:2022-10-29 13-30-41.jpeg|400x400px]]<br>Above picture shows the stock main wheel on the left and the Matco wheel with 3 piston brake on the right.<br>[[File:2022-10-29 13-30-14.jpeg|400x400px]]<br>The Matco brake disk is 10 mm closer to the rim compared to the stock wheels (to make room for the stronger brake cylinders but also for improved spacing of the hot disks to the fiberglass fairings).<br>See also this video on the Matco brakes and their installation: [https://www.youtube.com/watch?v=iUxt7ipMKho YouTube video by "a leaf on the wind"]<br>See also this video on the Matco brakes vs. the stock brakes: [https://youtu.be/w7MU13t5BDE?t=433 YouTube video by Base Leg Aviation (Vic Syracuse)] | ||
** Build logs | |||
*** [https://adamsrv10.com/2021/03/15/landing-gear/ Adam's Matco brake installation] | |||
==== Improvements to Brake Pedal and stock Master Cylinder ==== | ==== Improvements to Brake Pedal and stock Master Cylinder ==== | ||
* See this bulletin: [https:// | * See this bulletin: [https://matcoals.com/wp-content/uploads/2021/10/DIAGNOSING-UNCOMMANDED-BRAKE-DRAG.pdf Matco, Diagnosing Uncommanded Brake Drag].<br>If the master cylinder doesn't fully retract, the valve to the reservoir doesn't open and the pads can't push back the pucks. | ||
* Single axis instead of bolts on each side (from McMaster.com) | * Single axis instead of bolts on each side (from McMaster.com) | ||
** 8 x 9440T63 High-Temperature Dry-Running Flanged Sleeve Bearing, 841 Bronze, For 3/16" Shaft Diameter | ** 8 x 9440T63 High-Temperature Dry-Running Flanged Sleeve Bearing, 841 Bronze, For 3/16" Shaft Diameter | ||
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Detailed writeup on the procedure with pictures: | Detailed writeup on the procedure with pictures: | ||
* [http://www.mykitlog.com/rocketman Rocketman's Build Log (ignore the unsafe browser message)] | * [http://www.mykitlog.com/rocketman Rocketman's Build Log (ignore the unsafe browser message)] | ||
* Improvements: If you press the brass bushings into the pedals, they will not necessarily align as the pedals are not exatly 90 degrees and drilling is only | * Improvements: If you press the brass bushings into the pedals, they will not necessarily align as the pedals are not exatly 90 degrees and drilling is only exact to a limited degree. It seems better to give the bushings some play and cement them in with JB Weld while the shaft is temporarily installed.<br>[[File:Brkbush1.jpeg|300px]][[File:Brkbush2.jpeg|300px]] | ||
* Good drilling results for the bushings were obtained when using a .311 (7.9mm) reamer threaded through the hole on the other side (the .311 reamer is part of the RV-10 Cleaveland tool kit as it is needed during the main gear installation). | * Good drilling results for the bushings were obtained when using a .311 (7.9mm) reamer threaded through the hole on the other side (the .311 reamer is part of the RV-10 Cleaveland tool kit as it is needed during the main gear installation). | ||
* Final result:<br>[[File:2023-03-26 17-28-03.jpeg|400px]] | * Final result:<br>[[File:2023-03-26 17-28-03.jpeg|400px]] | ||
[[ | [[Category:Optional]] | ||