xbr VS gtb

Old 11-18-2007, 09:44 AM
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Default xbr VS gtb

Has anyone had the opportunity to test these two esc's side by side? Apart from specs, is there an on track performance difference?
I just bought a 13.5 and now need a BL esc. Just wanted to know if the $50-$60 difference is worth it.
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Old 11-18-2007, 10:01 AM
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I would get the GTB just because if you wanted to race and or getting a faster motor later on then spend the extra $60.00.

Patrick.

BTW the XBR is half the speedo the GTB is.
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Old 11-18-2007, 11:13 AM
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Originally Posted by Skruger
I would get the GTB just because if you wanted to race and or getting a faster motor later on then spend the extra $60.00.

Patrick.

BTW the XBR is half the speedo the GTB is.
I plan on racing, but can you tell me why the gtb is twice the esc?
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Old 11-19-2007, 12:34 PM
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XBR
SPECS: Input Voltage: 4-7 NiCd/NiMH cells (1.2V/cell) or 2 LiPo cells
On-Resistance: 0.0012 ohms* (brushless: FWD/BRK/REV); 0.00027 ohms*
(brush: FWD/BRK)
Dimensions: 1.54 x 1.18" (39 x 30mm)
Weight: 2.84 oz. (80.7 g) w/wires; 1.49 oz. (42.2 g) w/o wires
Rated & Braking Current: 120 amps per phase* (brushless); 480 amps
(brushed)

Power Wires: 14-Gauge
BEC: 6.0 volt/1.5 amp
Motor Limit: 8.5-turn brushless (at 6 cells Ni-MH); None (brushed)
Discrete Steps: 512 Forward; 512 Reverse


GTB
SPECS: Length: 1.49" (37.8mm)
Width: 1.16" (29.5mm)
Weight: 1.36oz (38.5g) without wires
BEC: 6.0V/3.0A
Input Voltage: 4-6 cells (1.2VDC/cell)
*On Resistance (Brushless): 0.00040 ohms
*On Resistance (Brush Mode): 0.00013 ohms
*Rated Current (Brushless): 540A/phase
*Rated Current (Brush Mode): 1620A

Battery/Motor Wire:14AWG silicone
Throttle Profiles: 6 (5 Brushless/1 Brush)
Drive Frequencies: 1 of 7 (1.5-11kHz)
Minimum Drive: 1 of 5 (2-12%)
Minimum Brake: 1 of 10 (5-50%)
Dead Band: 1 of 5 (2-6%)
Braking Style: Std or Drag Brake
Drag Brake: 1 of 10 (10-50%)
Brushless Motor Limit: Any Novak
Brushed Motor Limit: None
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Old 11-19-2007, 05:59 PM
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Originally Posted by Xtant3150c
XBR
SPECS: Input Voltage: 4-7 NiCd/NiMH cells (1.2V/cell) or 2 LiPo cells
On-Resistance: 0.0012 ohms* (brushless: FWD/BRK/REV); 0.00027 ohms*
(brush: FWD/BRK)
Dimensions: 1.54 x 1.18" (39 x 30mm)
Weight: 2.84 oz. (80.7 g) w/wires; 1.49 oz. (42.2 g) w/o wires
Rated & Braking Current: 120 amps per phase* (brushless); 480 amps
(brushed)

Power Wires: 14-Gauge
BEC: 6.0 volt/1.5 amp
Motor Limit: 8.5-turn brushless (at 6 cells Ni-MH); None (brushed)
Discrete Steps: 512 Forward; 512 Reverse


GTB
SPECS: Length: 1.49" (37.8mm)
Width: 1.16" (29.5mm)
Weight: 1.36oz (38.5g) without wires
BEC: 6.0V/3.0A
Input Voltage: 4-6 cells (1.2VDC/cell)
*On Resistance (Brushless): 0.00040 ohms
*On Resistance (Brush Mode): 0.00013 ohms
*Rated Current (Brushless): 540A/phase
*Rated Current (Brush Mode): 1620A

Battery/Motor Wire:14AWG silicone
Throttle Profiles: 6 (5 Brushless/1 Brush)
Drive Frequencies: 1 of 7 (1.5-11kHz)
Minimum Drive: 1 of 5 (2-12%)
Minimum Brake: 1 of 10 (5-50%)
Dead Band: 1 of 5 (2-6%)
Braking Style: Std or Drag Brake
Drag Brake: 1 of 10 (10-50%)
Brushless Motor Limit: Any Novak
Brushed Motor Limit: None

I understand the specs, but what about the difference on the track? Can you tell the difference in performance? If so, please describe the driving experience.
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Old 11-19-2007, 06:50 PM
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There is another thread here:
Novak GTB vs XBR
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Old 11-19-2007, 07:54 PM
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thanks
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