appleman6161
1 mW
- Joined
- Sep 23, 2015
- Messages
- 12
I have had a extremely positive experience with my Carvon V2 Dual Electric Hub Motors and wanted to share my build as both an informative piece, review, and a thank you to Jerry at Carvon and John from RC Juice. I've been riding it about two weeks so pardon the dirt, but here is what I've got.
All photos here: https://www.flickr.com/photos/bensacks/albums/72157656673787494
Quick Video Here: https://www.youtube.com/watch?v=ANAOAnrdaSA
-Deck is a 42" downhill 7 ply purchased from eBay. http://www.ebay.com/itm/42-in-RAW-FLUSH-MOUNT-FREESTYLE-LONGBOARD-SKATEBOARD-Deck-/191683275992?hash=item2ca136acd8
-ESC's are 2X FVT 120 amp running at stock settings with 40% brake. Purchased from RC Juice http://www.rcjuice.com/fvt-120a-brushless-sensored-sensorless-car-esc-2-6s/
-Batteries are 2X Turnigy 6S 5000mah 20C running in parallel for a total of 10,000man at 6S. Purchased from Hobby King http://www.hobbyking.com/hobbyking/store/__9176__Turnigy_5000mAh_6S_20C_Lipo_Pack.html
-Radio system is a Quanum 3CH TX/RX fit into a custom housing. More on that later, also from HobbyKing http://www.hobbyking.com/hobbyking/store/__44693__Quanum_2_4Ghz_3ch_Pistol_Grip_Tx_Rx_System.html
-Main Power Switch/Fuse from eBay: http://www.ebay.com/itm/200-AMP-12V-DC-CIRCUIT-BREAKER-REPLACE-FUSE-200A-12-24V-DC-FAST-FREE-USA-SHIP-/390474856510
-LCD Voltage Indicator from eBay: http://www.ebay.com/itm/261684392305?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
-Enclosure is entirely scratch built from a tupperware tub and basic hardware
-And finally, the motors. The Carvon V2 Dual Hub Motors and Front Truck/Wheel Set purchased from http://www.carvonskates.com/
All photos here: https://www.flickr.com/photos/bensacks/albums/72157656673787494
I have a lot of history with RC cars/planes/quadcopters but building this board took around 30 hours and a lot of trial and error. Total cost, not including a charger, was around $750. It isn't the prettiest, but the power is tremendous. I have not gotten a GPS speed (though I will in the future), but I am a thrill-seeking 20 year-old college kid and this board goes faster and accelerates quicker than I could ever fully handle. I have no doubt the 30+ mph specs on these wheels are conservative. Range is around 10 miles on flat ground and 6-7 with hills and more spirited riding. Motors are rated at 70 amps peak. At 25 volts that's around 3500 watts or over 4.5 horsepower. Breaking power, even at the default 40% setting, is superb. I weigh 200 pounds and come easily to a stop from high speeds. The board with batteries weighs about 18 pounds.
The board is centered around the 200 amp fuse which I have connected to the negative terminals of both batteries and then split to to the negative leads on the ESC's. The positive leads from the batteries are connected together, then each run to a separate ESC. This preserves the parallel nature of the power source through the entire board. The fuse serves as the main ON/OFF switch and is accessible through a small hole in the enclosure. I also mounted a small LCD voltage indicator to monitor battery voltage. It is connected to monitor the battery leads after the fuse and is powered on via a small power cable to an extra channel on the receiver so it turns on and off with the board.
I built the enclosure by trimming down a tupperware tub and attaching the hardware as seen in the photos. I tighten it in place with wingnuts, and have not had a problem with the case coming loose while riding. There are metal strips to hold its shape and a few small ventilation holes near the ESC's. I applied weatherstripping to allow for slight flex between the board the enclosure. Clearance is about 1 inch, which has not posed any issues going over slight curb lips and flatter speed bumps.
The board is controlled with a standard 2.4GHz radio that I completely disasemlbed and mounted inside an old AC Adapter casing. The unit fits firmly in my hand and is very easy to use. It has an externally mounted power switch to disconnect the small lipo battery and is easily opened and closed via the black rubber bands. I put a small hook on the bottom of the board to hold the transmitter during transport.
The most important component, the motors, were supplied by Carvonskates.com. The hub design offers tremendous power and simplicity compared to a belt design, allows me to carve deeper without fear of a belt slipping, and has much less drag than a belt design. There is some resistance, but riding this board manually is very much possible. The setup was slightly more expensive than a traditional brushless setup, but I have absolutely no regrets on my purchase. I have ridden a belt design and there is no comparison in overall performance, especially strong breaking down hills.
That generally sums things up. I'd like to extend a huge thanks to Jerry at Carvon for being extremely informative and supportive through my build and for upgrading my original V1 motors to the V2 at no cost. His dedication to customer satisfaction is tremendous, and his product has exceeded all my expectations. I'd also like to thank John from RC Juice for his generous customer service and replacement of a faulty ESC despite this atypical application. The replacement has been running smoothly with no issue.
Let me know if you have any questions or comments. I sincerely appreciate any feedback and would be more than happy to assist with any technical questions you might have yourself.
Thanks,
Ben
All photos here: https://www.flickr.com/photos/bensacks/albums/72157656673787494
Quick Video here: https://www.youtube.com/watch?v=ANAOAnrdaSA
*Speed update: I have hit 32mph on flat ground with more throttle to spare. Will find a location to do a full out speed run at some point but would not be surprised if I top out around 40mph.
All photos here: https://www.flickr.com/photos/bensacks/albums/72157656673787494
Quick Video Here: https://www.youtube.com/watch?v=ANAOAnrdaSA
-Deck is a 42" downhill 7 ply purchased from eBay. http://www.ebay.com/itm/42-in-RAW-FLUSH-MOUNT-FREESTYLE-LONGBOARD-SKATEBOARD-Deck-/191683275992?hash=item2ca136acd8
-ESC's are 2X FVT 120 amp running at stock settings with 40% brake. Purchased from RC Juice http://www.rcjuice.com/fvt-120a-brushless-sensored-sensorless-car-esc-2-6s/
-Batteries are 2X Turnigy 6S 5000mah 20C running in parallel for a total of 10,000man at 6S. Purchased from Hobby King http://www.hobbyking.com/hobbyking/store/__9176__Turnigy_5000mAh_6S_20C_Lipo_Pack.html
-Radio system is a Quanum 3CH TX/RX fit into a custom housing. More on that later, also from HobbyKing http://www.hobbyking.com/hobbyking/store/__44693__Quanum_2_4Ghz_3ch_Pistol_Grip_Tx_Rx_System.html
-Main Power Switch/Fuse from eBay: http://www.ebay.com/itm/200-AMP-12V-DC-CIRCUIT-BREAKER-REPLACE-FUSE-200A-12-24V-DC-FAST-FREE-USA-SHIP-/390474856510
-LCD Voltage Indicator from eBay: http://www.ebay.com/itm/261684392305?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
-Enclosure is entirely scratch built from a tupperware tub and basic hardware
-And finally, the motors. The Carvon V2 Dual Hub Motors and Front Truck/Wheel Set purchased from http://www.carvonskates.com/
All photos here: https://www.flickr.com/photos/bensacks/albums/72157656673787494
I have a lot of history with RC cars/planes/quadcopters but building this board took around 30 hours and a lot of trial and error. Total cost, not including a charger, was around $750. It isn't the prettiest, but the power is tremendous. I have not gotten a GPS speed (though I will in the future), but I am a thrill-seeking 20 year-old college kid and this board goes faster and accelerates quicker than I could ever fully handle. I have no doubt the 30+ mph specs on these wheels are conservative. Range is around 10 miles on flat ground and 6-7 with hills and more spirited riding. Motors are rated at 70 amps peak. At 25 volts that's around 3500 watts or over 4.5 horsepower. Breaking power, even at the default 40% setting, is superb. I weigh 200 pounds and come easily to a stop from high speeds. The board with batteries weighs about 18 pounds.
The board is centered around the 200 amp fuse which I have connected to the negative terminals of both batteries and then split to to the negative leads on the ESC's. The positive leads from the batteries are connected together, then each run to a separate ESC. This preserves the parallel nature of the power source through the entire board. The fuse serves as the main ON/OFF switch and is accessible through a small hole in the enclosure. I also mounted a small LCD voltage indicator to monitor battery voltage. It is connected to monitor the battery leads after the fuse and is powered on via a small power cable to an extra channel on the receiver so it turns on and off with the board.
I built the enclosure by trimming down a tupperware tub and attaching the hardware as seen in the photos. I tighten it in place with wingnuts, and have not had a problem with the case coming loose while riding. There are metal strips to hold its shape and a few small ventilation holes near the ESC's. I applied weatherstripping to allow for slight flex between the board the enclosure. Clearance is about 1 inch, which has not posed any issues going over slight curb lips and flatter speed bumps.
The board is controlled with a standard 2.4GHz radio that I completely disasemlbed and mounted inside an old AC Adapter casing. The unit fits firmly in my hand and is very easy to use. It has an externally mounted power switch to disconnect the small lipo battery and is easily opened and closed via the black rubber bands. I put a small hook on the bottom of the board to hold the transmitter during transport.
The most important component, the motors, were supplied by Carvonskates.com. The hub design offers tremendous power and simplicity compared to a belt design, allows me to carve deeper without fear of a belt slipping, and has much less drag than a belt design. There is some resistance, but riding this board manually is very much possible. The setup was slightly more expensive than a traditional brushless setup, but I have absolutely no regrets on my purchase. I have ridden a belt design and there is no comparison in overall performance, especially strong breaking down hills.
That generally sums things up. I'd like to extend a huge thanks to Jerry at Carvon for being extremely informative and supportive through my build and for upgrading my original V1 motors to the V2 at no cost. His dedication to customer satisfaction is tremendous, and his product has exceeded all my expectations. I'd also like to thank John from RC Juice for his generous customer service and replacement of a faulty ESC despite this atypical application. The replacement has been running smoothly with no issue.
Let me know if you have any questions or comments. I sincerely appreciate any feedback and would be more than happy to assist with any technical questions you might have yourself.
Thanks,
Ben
All photos here: https://www.flickr.com/photos/bensacks/albums/72157656673787494
Quick Video here: https://www.youtube.com/watch?v=ANAOAnrdaSA
*Speed update: I have hit 32mph on flat ground with more throttle to spare. Will find a location to do a full out speed run at some point but would not be surprised if I top out around 40mph.