Hello! I'm just opening a thread for input from anyone with opinions before I make a purchase from Grin for my xtracycle. Do I need more battery? Is there a better motor option I should be considering? I guess I need to stick with the 10T vs 8t, in order to handle my biggest loads, outside of my primary commute (which I'll only be making between twice/week and once/2weeks).
Thanks for taking the time to look and help!
Located in Madison County Ky, USA.
Max deisred Mph: 35
Desired range/speed: 75miles/25MPH (when the wind isn't bad at least). (specifically this trip simulator: https://www.ebikes.ca/tools/trip-si...27982&md=38_31596+-84_80144&x=&y=&lx=&rx=&rw=) [And thanks to Justin and the folks at ebikes.ca for making things like this... wow.]
I'm looking at a rear Gmac 8T or 10T with 2 Reention DP9 52V 20Ah batteries and a Baserunner L10 controller, on a 26" wheel with disc brake.
I weigh 200lbs.
Putting motor on a Surly LHT with an xtracycle. My commutes on this route will not be especially loaded down, but there will be times I ride with extra weight, pushing 400 lbs total , in somewhat hillier terrain, but shorter distances, and no real mountains to speak of.
I can ride this route on the bike without motor in 7 hours, including resting and decent headwind. The handlebars are lowered, a bit, and I can keep a fairly tucked position for most of the ride.
As I play with the simulator, the biggest difference seems to come in the headwind # and resulting amphours used. The results I get from that show no substantive difference between an 8t and 10T winding, and looks like if I just lower the max speed I could keep over 20Mph average, even on the windiest days I imagine riding in, and keep the consumed amp-hours to around 36-38 (of the nominal 40Ah of two combined Reention DP9 52V 20Ah). I suppose I will be able to just adjust the PAS to lower assistance on headwindy days to achieve the same end.
So, I'm just open to thoughts on how realistic this looks?
Whether I in fact am obviously going to need more batteries to pull this off regularly? (I am buying the Satiator charger, so I could probably stop half way and squeeze in a bit of charging, but hopefully would only be necessary on the windiest days.)
Whether anyone (with experience) thinks there's some other motor that will serve me much better that I should consider?
Any advantage to the 8t for me? or 10t will be fast enough? I suppose I'm more concerned total engergy effiency more than max speed, but hey we all want to burn it up every once in a while. One thread I found made it sound like higher windings seemed to help that author squeeze out some extra miles that didn't show up in the simulator.
Are there any critical extra bits I should consider buying at the same time?
I'm trying not to scrimp as I'm car-free and just trying to get something to make my statewide excursions easier and faster.
I've got a new Continental Top Contact II tire and disc brake hardware on the way (upgrading to disc from rim at the same time).
In my ebikes.ca cart aside from the Gmac ready to roll kit:
L10 cable ext to get to the extended rear wheel
CA steerer bracket
Analog auxilary control knob
wire route kit
multimeter
USB->TTL PROGRAMMING CABLE
triple bobs for batteries
handle bobs for accessories on drop bars
in the GMAC kit:
GMAC READY-TO-ROLL KIT
Motor Winding Speed
1 x GMAC10T
Include Cassette?
1 x CS9Spd1132
Frame Clamp and Torque Arm
1 x Frame Clamp and Torque Arm
Include Spokes?
36 x Sapim Strong 13-14g Butted Spoke, Black
Include Rim?
1 x Rim26_DM18
Include Wheelbuild?
1 x WheelBuild
Battery Model
1 x B5220LiM-DT
Charger Model - choose the right voltage for your battery
1 x Satiator Upgrade
Baserunner Controller
1 x Baserunner_L10
V3 Cycle Analyst
1 x CA3-WP
CA3 Aux Adjust and Power Switch
1 x CA3_MFSwitch
Pedal Sensor Type
1 x ERider68_5B
Throttle Choice
1 x T-Lever
eBrake Cutoffs?
1 x TripWire_Pull
Include Disk Rotor?
1 x Disk_203
Thank you so much!
Ben
Thanks for taking the time to look and help!
Located in Madison County Ky, USA.
Max deisred Mph: 35
Desired range/speed: 75miles/25MPH (when the wind isn't bad at least). (specifically this trip simulator: https://www.ebikes.ca/tools/trip-si...27982&md=38_31596+-84_80144&x=&y=&lx=&rx=&rw=) [And thanks to Justin and the folks at ebikes.ca for making things like this... wow.]
I'm looking at a rear Gmac 8T or 10T with 2 Reention DP9 52V 20Ah batteries and a Baserunner L10 controller, on a 26" wheel with disc brake.
I weigh 200lbs.
Putting motor on a Surly LHT with an xtracycle. My commutes on this route will not be especially loaded down, but there will be times I ride with extra weight, pushing 400 lbs total , in somewhat hillier terrain, but shorter distances, and no real mountains to speak of.
I can ride this route on the bike without motor in 7 hours, including resting and decent headwind. The handlebars are lowered, a bit, and I can keep a fairly tucked position for most of the ride.
As I play with the simulator, the biggest difference seems to come in the headwind # and resulting amphours used. The results I get from that show no substantive difference between an 8t and 10T winding, and looks like if I just lower the max speed I could keep over 20Mph average, even on the windiest days I imagine riding in, and keep the consumed amp-hours to around 36-38 (of the nominal 40Ah of two combined Reention DP9 52V 20Ah). I suppose I will be able to just adjust the PAS to lower assistance on headwindy days to achieve the same end.
So, I'm just open to thoughts on how realistic this looks?
Whether I in fact am obviously going to need more batteries to pull this off regularly? (I am buying the Satiator charger, so I could probably stop half way and squeeze in a bit of charging, but hopefully would only be necessary on the windiest days.)
Whether anyone (with experience) thinks there's some other motor that will serve me much better that I should consider?
Any advantage to the 8t for me? or 10t will be fast enough? I suppose I'm more concerned total engergy effiency more than max speed, but hey we all want to burn it up every once in a while. One thread I found made it sound like higher windings seemed to help that author squeeze out some extra miles that didn't show up in the simulator.
Are there any critical extra bits I should consider buying at the same time?
I'm trying not to scrimp as I'm car-free and just trying to get something to make my statewide excursions easier and faster.
I've got a new Continental Top Contact II tire and disc brake hardware on the way (upgrading to disc from rim at the same time).
In my ebikes.ca cart aside from the Gmac ready to roll kit:
L10 cable ext to get to the extended rear wheel
CA steerer bracket
Analog auxilary control knob
wire route kit
multimeter
USB->TTL PROGRAMMING CABLE
triple bobs for batteries
handle bobs for accessories on drop bars
in the GMAC kit:
GMAC READY-TO-ROLL KIT
Motor Winding Speed
1 x GMAC10T
Include Cassette?
1 x CS9Spd1132
Frame Clamp and Torque Arm
1 x Frame Clamp and Torque Arm
Include Spokes?
36 x Sapim Strong 13-14g Butted Spoke, Black
Include Rim?
1 x Rim26_DM18
Include Wheelbuild?
1 x WheelBuild
Battery Model
1 x B5220LiM-DT
Charger Model - choose the right voltage for your battery
1 x Satiator Upgrade
Baserunner Controller
1 x Baserunner_L10
V3 Cycle Analyst
1 x CA3-WP
CA3 Aux Adjust and Power Switch
1 x CA3_MFSwitch
Pedal Sensor Type
1 x ERider68_5B
Throttle Choice
1 x T-Lever
eBrake Cutoffs?
1 x TripWire_Pull
Include Disk Rotor?
1 x Disk_203
Thank you so much!
Ben