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Anyone got a part number for the brake disk?
I need to order new brake disks (rotors) from ACS east. This is for a 1998 RV-6A. Cleveland wheel number 40-78B and caliper number 30-9. I can't find a number on the disk. I am in NC, so don't want to order from Van's.
Van's has them listed as: Disc Part Number = WHL 5.00 DISC Price = $177.00 Thanks Mark |
Don't know if these are yours but I think they are the standard vans discs.
Maybe some can give a pirep on them. http://www.vansaircrafttires.com/products/Rapco-Brake-Disc-Vans-Aircraft-%281-%26-2-place-models-only%29.html Only $85 |
cleveland
Cleveland shows 164-01700 on the disc and 066-10600 on the pads
Jesse |
Rapco Disks?
Anyone tried these Rapco disks?
Half price of Cleveland, but are they OK? Thanks for the info guys. Mark |
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They are $161.75 ea. FYI Thanks Mark |
black steel
Have you looked at the black steel disc's from apsbrakes.com ?
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My RV-6 is will be 18-years old in September of this year. |
+1 for Rapco.
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Rapco Disks
Rapco disks on order from ACS east.
Just saved $150! Thanks |
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Just wondering if you have installed and used these disk brakes yet? I am thinking of ordering a set and was hoping for some feedback. |
If you're replacing discs and pads anyway, a 199-93 upgrade kit is really worthwhile for an A-model. The key change is a thicker disc -> more heat storage capacity -> much higher kinetic energy rating, 117K vs 155K.
You get discs, pads, caliper shims, new bolts, rivets, the works. |
They work fine
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When you compare and old one to the new ones (laying on the mounting side) there is a small difference in height. The calipers have plenty of "float" so it was not a problem. |
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I'm still noodling the details as I'm just back to the shop from the hangar. Oh, and those "longer" bolts that the "upgrade kit" comes with are exactly the same size as the original bolts -15 and no drilled head. Silly. Note to the wiser: get the cheaper Rapco rotors, make your own shims (little piece of 1/8" aluminum) and be prepared for not just a bolt up upgrade, depending on your particular setup.. |
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Scott are you suggesting that even the regular Rapco discs (not the thicker the ones), are not bolt on? Some of the previous posts indicate that there is no difference than the price. So just wondering... |
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The thicker ones required me to add a spacer washer (purchased from Granger Part # 5GB11) to the axle before sliding on the wheel. Then the nut was shaved down the same amount. This kept the bracket from contacting the thicker disc. The new bolts do need to be 1/8" longer. They don't need to be drilled as long as you use star lock washers and replace them when removed.... My Warrior was like this from the factory. I had that airplane for 20 years with no problem from any inspection. Sure is a lot easier than leaning down on your ear twisting wire. I made my 1/8"shims from 1/8" alum bar stock from ACE hardware...:eek: The thicker brakes work great!! have had them on for a couple of years and I DO use my brakes....6A. So far there is no sign of heat affecting the finish surface of the bell of the disc brake. The disc takes the heat just fine. Save your money, order the thicker discs and the longer bolts. Spend an hour making the shims and end up with better brakes that should never cause a wheel pant fire. The pads should also last longer due to less heat. |
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So, you are thinking about making a new spacer (inner seal ring) that is .0xx longer and shifting the wheel by 1/2 disc thickness. Then machining off the axle nut the exact same amount so the end play is back to original - sounds like a good plan. Elegant. Good thinking, just what I expect from you. Thanks Scott, good conversation. EDIT - I finally read gasman's post, and he did the same. Good conversation anyway. |
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Keep searching Granger. If I recall, they were arbor shims and were high quality. Not just washers. They were a perfect fit. Determine the thickness that you need for a shim, and then just cut that same amount off the face of the axle nut. |
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This will be helpful for those that follow.... |
For us proletariat lacking lathes, you don't need to turn down the nut face. Discard the outer .250 washer and use three of the .062 arbor shims from the package of 10. Crude, but works.
I've been noodling the same problem on my -7. This is the answer. In the never again file, it's always bugged me that Van's has you build up the interior of the pant for reinforcement - which throws off all those carefully positioned holes in the bracket and spacing with the disc. Next build will have the reinforcement on the outside of the pant and blended in. The wind will never know. John Siebold |
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I'm using the Matco brake set Van's supplied - maybe still does - four years ago. The Matco bearings have an integrated soft plastic seal, no felts required, ergo no reliance on a smooth OD running surface. Good point, though. Main concern I have is the low carbon steel shims will quickly corrode.
John Siebold |
Is there any reason this rapco disc upgrade would not be compatible with the Matco wheels that Vans is sending with the RV7A/9A kits these days?
I have Matco wheels and brakes, and would love to try the thick disc upgrade. |
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