First build longboard and upgrade to off-road dual motor with 103mm wheels

[gary_au]

Thank you for your comment!

I have a list with VESC to choose from:

1. AU$128 Turnigy SK8-ESC V4.12 For Electric Skateboard Conversion w BEC

2. AU$86 FLIPSKY FSVESC V4 50A SK8-ESC w 5V 1.5A BEC for Electric Skateboard RC Car I7O8

3. AU$140 Maytech Benjamin Vedder Electronic Speed controller VESC (3.38 firmware)

4. AU$ 237 OLLIN VESC 4.12 WITH DIRECT FET TECHNOLOGY

5. AU$422 TRAMPA VESC® SIX Speed Controller

I’ll buy second one (FLIPSKY FSVESC V4 50A SK8-ESC).

[gary_au]

Thank you for your comment. I’ll keep my motor and reduce ERPM to 60k. I’ll buy a vesc and mosfet switch. I’ve found only one mosfet switch: HGLRC-Flipsky AntiSpark Switch Pro 280A for Electric Skateboard (AU$67) CNC motor mount for motor looks reliable.I’ll get one Hope no more Hospital bill

[gary_au]

I was reading about Gear Ratio and

1. Motor pulley should have 15T minimum
2. Very difficult to find Wheel pulley with more than 40T. 3D printing …
3. Better use 2 motors with 2.4:1 or 3:1 gear ratio per wheel as I’m planning to have 103mm wheels

Everybody is happy with this 15mm Wide Belts DIY ABEC Flywheel Pulley Kit 265mm 255mm But my wheels are not Flywheel brand and I’d like to have 15T aluminium / steel motor pulley

3:1 gear ratio

I would like to buy from hobbyking this one Turnigy Skateboard Conversion Kit Spare Parts - Pulley Set with Belt

2.4:1 gear ratio

What do you think?

[gary_au]

And to fit 2 motors (TURNIGY AERODRIVE SK3 - 6364-245KV) I need a widest truck like this one TRAMPA SKATE style Trucks It come as standard with re-enforced 9.525mm steel hollow axle which travels the complete width of the 39cm hanger (15 & 1/2 inches). This the lightest ATB steering system on the market… My 103mm wheels

[mynamesmatt]

nah you can fit 2x 6364 sk3’s on a tb218 truck. look on diyelectricskateboards. they’re like $65usd

Want to run dual sk3 6374's on torqueboards 218mm trucks,try these!

and yeah that switch will work but for what you’re buying battery wise (having 6 individual batteries to charge on a hobby charger is a pain) i’d be investing in a BMS. Get a high current rated bms with an eswitch similar to this: (this would actually be the best idea) http://www.bestechpower.com/333v9spcmbmspcbforli-ionli-polymerbatterypack/PCM-D223V1.html

this way you can charge all your batteries at once

[pat.speed]

I think the hobbyking pulley kit will be best, the other one is not very good quality if I remember

[b264]

@gary_au

Very difficult to find Wheel pulley with more than 40T

@Kug3lis has them

[gary_au]

Hello everyone. It was long Christmas break I’ve ordered and received new parts:

TorqueBoards 218mm Longboard Trucks ($65 USD), thank you mynamesmatt

2 of FLIPSKY FSVESC V4 50A SK8-ESC w 5V 1.5A BEC for Electric Skateboard RC Car I7O8 AU$86

second motor TURNIGY AERODRIVE SK3 - 6364-245KV BRUSHLESS OUTRUNNER MOTOR

third battery ZIPPY COMPACT 5000MAH 3S 25C LIPO PACK

second kit Sprocket Chain Wheel

my first HGLRC-Flipsky AntiSpark Switch Pro 280A for Electric Skateboard (AU$67)

and two CNC motor mounts (different colours)

[gary_au]

this is result

[gary_au]

I have a question about batteries. It doesn’t look like Lipo is reliable battery. I’m going to order a custom made battery pack. I’m looking at 10s4p or 10s5p. I’m not sure about 12s.

What do you recommend?

I’m going to do my first test ride with 3 Lipo battery, but I’m sure that I’ll change it soon.

Thank you