| XRAY - Model racing cars https://setup.teamxray.com/xsetup/legacy/ |
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| Pinion size VS Spur Gear size https://setup.teamxray.com/xsetup/legacy/viewtopic.php?f=8&t=10074 |
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| Author: | dartvidar [ Mon Jan 11, 2010 00:18:46 ] |
| Post subject: | Pinion size VS Spur Gear size |
LRP say FDR 6.5 for mine 10.5T engine. If I use the gear chart from Xray and pitch 48, then it will be 24t/82t = 6,49 FDR or 21t/72t = 6.51 FDR thats the closest I get 6.5 FDR. Is it the same which of this options i choose, or is it any rules I should follow?? If I later find out I need to adjust the FDR little bit Up or Down, should I then changes the Pinion size eller Spur Gear size? I can see the pinion is cheaper than Spur gear. In the beginning when Im new and dont know the car very well, and I wants to adjust the FDR little bit up or Down, in how big steps should I adjust? Should I go for pitch 48 or 64? |
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| Author: | Skiddins [ Mon Jan 11, 2010 02:39:56 ] |
| Post subject: | |
Even when the FDR is the same, the larger spur option will always give slightly better acceleration for some reason. Skiddins |
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