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#1
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Tamiya TRF 511 with spec-r diffs.
Hello
Here is small review about how I fitted gear diffs to my 511. I used TRF 416 diffs, but now there is also available Ta-05 diffs and they popably fit better for the 511. First problem was the bearings. They weren't close enough each other. I used a drilling machine and a file like a lathe to get bearings closer to each other. Front diff: Second problem were the outdrives. On the front I used modded Kyosho lazer zx-5e wheel axle. Front diff outdrive: On the rear I couldn't use lazer's wheel axle becose rear driveshaft travel is longer. I used Spec-r outdrive what wasn't so good becose without blades Driveshaft pin has to be 3mm and outdrive material is not so durable without blades. Rear diff: Fitted: I ran one race with gear diffs on indoor track. With gear diffs it made car different to drive, but my opinion it wasn't any better. One problem what I found were that belts were not on straight line. When I didn't see why to use "DIY" diffs I got back to ball diffs. Maybe Ta-05 diffs fit better but also they need new outdives. If you have a lathe you probaply can make new outdrives from Trf 511 one-way joints. Sorry my bad english.
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Xray XB4 - Serpent S411 - Tamiya F104W - Yokomo BD7 |
#2
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Hello,
Very interesting mod...what oil or grease do you use on your diffs ? Thx |
#3
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I'm really interested in this ! Just would like to find out if the Spec-R diff will last with his plastic gears on our high traction surface. I will try to make a mod that use steel gear and outdrives that fits better the shaft of the TRF.
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#4
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Hi I used gear differential oil. AE 7000wt at front and AE 2000wt on rear.
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Xray XB4 - Serpent S411 - Tamiya F104W - Yokomo BD7 |
#5
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Excellent and good job..........
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#6
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Could try the 3Racing gear diff, can buy it with 37t pulleys, is narrower than the spec-R between the bearings, and can accept metal gears from an Xray NT1 gear diff.
Not sure on the outdrives though. Worth a punt... |
#7
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the 3racing gear diffs has been discontinued unfortunately
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#8
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nice mod, but the conclusion is: just use the ball diffs
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BZB: The shortest name in rc.. BZB "i just can't, i just can't, i just can't control my feet" 2012 tour!!: BZB4Holland BZB4Belgium |
#9
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I tried 3racing diffs, but the beltline was awful. Spec-r fits better.
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Xray XB4 - Serpent S411 - Tamiya F104W - Yokomo BD7 |
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