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Old 05-05-2014, 12:00 PM   #316
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I also run my reedy Sonic in 17.5 with the same FDR of 4.0. Timing on both my 21.5 and 17.5 is between 30' and 40', depending on track conditions.

I do have a tornado fan on both. It's the pink versions.

Gotta love these Sakuras. Two cars, for under $200.

i have a full deck out zero for vta and now a xi going to try some 17.5.thanks for the advice.
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Old 05-06-2014, 09:21 AM   #317
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I did a bit of research regarding available gear options for the Sakura XI Sport and came up with the following chart based on listed options by 3Racing and posts in this forum.

Sum of teeth for Pinion + Spur Gear
Min: 100 (to be verified)
Max:115 (to be verified)

Internal belt drive ratio 2:1 (19T:38T)

Smallest Spur Gear that will fit without modification to the stock center pulley is 72T (verified)

Available pinion sizes: 15T - 50T
Available Spur Gear Sizes : 65T - 85T

I've attached a chart of the final drive ratios in all combinations that will work from the stats above.
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Old 05-06-2014, 11:35 AM   #318
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Originally Posted by CustomPC View Post
I did a bit of research regarding available gear options for the Sakura XI Sport and came up with the following chart based on listed options by 3Racing and posts in this forum.

Sum of teeth for Pinion + Spur Gear
Min: 100 (to be verified)
Max:115 (to be verified)

Internal belt drive ratio 2:1 (19T:38T)

Smallest Spur Gear that will fit without modification to the stock center pulley is 72T (verified)

Available pinion sizes: 15T - 50T
Available Spur Gear Sizes : 65T - 85T

I've attached a chart of the final drive ratios in all combinations that will work from the stats above.
good info here, I have a 65t spur, had to trim the center pulley a little.
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Old 05-06-2014, 12:08 PM   #319
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hi, in my XI Sport I just centered the servo arm but... the front wheels are stearing to the right !
Why ? do I need 5 degrees offset like the Sakura Ultimate ? the manual of XI Sport doesn't say it
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Old 05-06-2014, 12:13 PM   #320
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yes just off-set it like the ultimate, the xi manual dosent point that out.
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Old 05-06-2014, 12:31 PM   #321
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yes just off-set it like the ultimate, the xi manual dosent point that out.
Thanks moparSRT for your super-fast answer !
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Old 05-06-2014, 08:16 PM   #322
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Quote:
Originally Posted by CustomPC View Post
I did a bit of research regarding available gear options for the Sakura XI Sport and came up with the following chart based on listed options by 3Racing and posts in this forum.

Sum of teeth for Pinion + Spur Gear
Min: 100 (to be verified)
Max:115 (to be verified)

Internal belt drive ratio 2:1 (19T:38T)

Smallest Spur Gear that will fit without modification to the stock center pulley is 72T (verified)

Available pinion sizes: 15T - 50T
Available Spur Gear Sizes : 65T - 85T

I've attached a chart of the final drive ratios in all combinations that will work from the stats above.


Pretty certain that I've been able to mount a 28t pinion to a 66t spur.

Nice chart though.
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Old 05-06-2014, 08:35 PM   #323
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Currently, I am running 64p gears and with 52/88 set up for VTA.
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Old 05-07-2014, 01:53 AM   #324
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Pretty certain that I've been able to mount a 28t pinion to a 66t spur.

Nice chart though.
Thanks

If you get a chance to check and verify that i'll add it to the chart.

I completely missed that the example setup in the manual sheet lists a 116T combination so i'm adding that too.

Last edited by CustomPC; 05-07-2014 at 07:57 PM.
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Old 05-10-2014, 08:45 PM   #325
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First time out with the XI today, car was great all day long, very consistend throughout the day and nothing broken, I nailed my asphalt set-up

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Old 05-11-2014, 10:49 AM   #326
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I have one available-pm
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Old 05-12-2014, 03:18 PM   #327
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First time out with the XI today, car was great all day long, very consistend throughout the day and nothing broken, I nailed my asphalt set-up

Is that sauce on your VTA tires?!?! =]
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Old 05-13-2014, 07:51 AM   #328
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Is that sauce on your VTA tires?!?! =]
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Old 05-13-2014, 10:45 AM   #329
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First time out with the XI today, car was great all day long, very consistend throughout the day and nothing broken, I nailed my asphalt set-up

Would you share your setup? Also looks like a Reedy Sonic motor, What timing and FDR did you use? Ran my sonic last weekend in an any 25.5 motor race and it was really strong with lots of RPMs but faded near the end of a 12 minute main (yea 12 minute we do everything big in Texas)?
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Old 05-13-2014, 11:19 AM   #330
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Would you share your setup? Also looks like a Reedy Sonic motor, What timing and FDR did you use? Ran my sonic last weekend in an any 25.5 motor race and it was really strong with lots of RPMs but faded near the end of a 12 minute main (yea 12 minute we do everything big in Texas)?
Front:
Toe out 1*
camber 2*
caster 4*
32.5wt ae shock oil / 3 hole piston / RSD bladder & oring / drilled cap
RSD 15lb BLUE springs.
shock 3rd hole in on top / outside hole bottom
ride height 6mm
droop 4mm
wheel hex 7mm
spool
1.5mm sway bar

Rear:
Toe in 3*
camber 2*
30wt ae shock oil / 3 hole piston / RSD bladder & oring / drilled cap
RSD 14lb LIGHT BLUE springs.
shock 3rd hole in on top / outside hole bottom
ride height 5.5mm
droop 5mm
wheel hex 4mm
1k diff
camber link short mount on hub with 2mm washer, no washer on cam cap.

Reedy Sonic 2 @ 20* timing, 65/37 3.51fdr, motor around 160f with 30mm fan.

Weight rtr 1453g
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