| XRAY - Model racing cars https://setup.teamxray.com/xsetup/legacy/ |
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| Orca 17.5 RX3 Motor https://setup.teamxray.com/xsetup/legacy/viewtopic.php?f=8&t=19091 |
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| Author: | andrewd [ Tue Jul 07, 2015 22:45:40 ] |
| Post subject: | Orca 17.5 RX3 Motor |
hi I have a 17.5 blinky RX3 motor and i am running it at 3.2 gearing in a X-ray t4-15 as i don't get to do much testing and just race i am not sure if this is the best for the motor. will anyone be able to tell me what a good gearing and timing would be for this motor. |
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| Author: | lpittman [ Fri Aug 28, 2015 17:43:51 ] |
| Post subject: | Re: Orca 17.5 RX3 Motor |
It depends on the track. Is it technical or flowing? How long is the straight? What grip levels? |
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| Author: | andrewd [ Sat Aug 29, 2015 21:17:42 ] |
| Post subject: | Re: Orca 17.5 RX3 Motor |
Its a flowing track with medium grip |
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| Author: | beale [ Sat Aug 29, 2015 21:51:13 ] |
| Post subject: | Re: Orca 17.5 RX3 Motor |
Have you got a temp gun or sensitive fingers? Rule of thumb for me is start high on the timing but not full get 5 laps practice in and grab your motor as soon as it stops, if it is hot but tolerable then only around 60* if it's intolerable it will be over 80*. Adjust your gearing to get close then fine tune with EBT for track layout and ambient changes |
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| Author: | lpittman [ Wed Sep 02, 2015 23:54:43 ] |
| Post subject: | Re: Orca 17.5 RX3 Motor |
| Author: | andrewd [ Mon Sep 07, 2015 20:59:10 ] |
| Post subject: | Re: Orca 17.5 RX3 Motor |
Indoor i am also going to run the same motor in 13.5 to |
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| Author: | beale [ Mon Sep 07, 2015 23:46:41 ] |
| Post subject: | Re: Orca 17.5 RX3 Motor |
What is it like compared to other cars on the straight and pulling out of slow corners, my Gforce feels sluggish out of corners if I gear it that low but it's good around 4.0 with 42* timing, my local tracks have straights of no more than 30m and a lot of hairpins though. |
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| Author: | andrewd [ Tue Sep 08, 2015 20:52:12 ] |
| Post subject: | Re: Orca 17.5 RX3 Motor |
i am mainly going to be racing at south yourkshire raceway so got a long straight and some hairpins |
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