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Brakes / Wheels: Difference between revisions
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→Companies supplying aftermarket Brake / Wheel sets
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See also [[Parking Brake]]. | |||
== Brakes / Wheels == | |||
The stock Vans '''brakes''' are fine however aftermarket brakes promise improvements (concerning heat, braking action and weight). They usually come as a complete set (wheel, disk and brake calipers). | The stock Vans '''brakes''' are fine however aftermarket brakes promise improvements (concerning heat, braking action and weight). They usually come as a complete set (wheel, disk and brake calipers). | ||
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==== Companies supplying aftermarket Brake / Wheel sets ==== | ==== Companies supplying aftermarket Brake / Wheel sets ==== | ||
* [https://beringer-aero.us/ Beringer] (known for high quality and being lightweight; a good investment, but it is a big one; also replacement brake pads are reported 4/2022 to be close to $100 per wheel) | * [https://beringer-aero.us/ Beringer] (known for high quality and being lightweight; a good investment, but it is a big one; also replacement brake pads are reported 4/2022 to be close to $100 per wheel) | ||
** [https://www.beringer-aero.com/sites/beringer-aero.com/files/page/342/brg-mm-00210a.pdf Installation instructions] | |||
** Note: Consider using drilled bolts and castle nuts instead of the lock-nuts that Beringer supplies for mounting the master cylinders. They do use rod-end bearings that don't rotate around the bolt like the stock master cylinders, so lock-nuts are generally adequate, but If they do every come loose, you cannot control the airplane on the ground. | |||
* [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)<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. | * [http://matcomfg.com/ Matco] (known for higher brake action than stock) | ||
** [[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)] | |||
** 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://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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* Return spring for master cylinder (from McMaster.com) | * Return spring for master cylinder (from McMaster.com) | ||
** 8 x 6389K625 Light Duty Dry-Running Nylon Sleeve Bearing, 1/16" Thick Flange, 3/8" Shaft, 1/2" Housing Id, 3/8" Long | ** 8 x 6389K625 Light Duty Dry-Running Nylon Sleeve Bearing, 1/16" Thick Flange, 3/8" Shaft, 1/2" Housing Id, 3/8" Long | ||
** 4 x 9657K432 Compression Spring, 3" Long, 0.6" Od, 0.51" Id | ** 4 x 9657K432 Compression Spring, 3" Long, 0.6" Od, 0.51" Id (they come in packs of 6, don't order 4 packs) | ||
** 4 x 6462K14 Set Screw Shaft Collar for 3/8" Diameter | |||
Detailed writeup on the procedure with pictures: | Detailed writeup on the procedure with pictures: | ||
[http://www.mykitlog.com/ | * [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 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). | |||
* Final result:<br>[[File:2023-03-26 17-28-03.jpeg|400px]] | |||
[[Category:Optional]] | |||