spinningmagnets wrote:Post reserved for final performance results, and parts list...
The parts that will take the longest to arrive are the Hobby King RC components from China. I made a list of parts I like, and optional parts that are acceptable. Then I was careful to only order parts that were in stock. If there is a specific part you're set on using (thats temporarily out of stock), where you don't want to spec an optional component, make that part a separate order. That way, HK won't hold back the rest of the parts waiting several weeks for the shorted part to arrive before shipping everything. After performance testing results, I may end up wishing I'd used a different component than some of these, but here's whats on its way from China to get me started...(the charger requires a power supply, they can usually be purchased locally with an input from house current, or, automobile socket for RC charging in the field, or both)
Tax and shipping costs are not listed, as they can vary widely depending on your location, Prices listed are in USD on the day I purchased items (subject to change)
MOTOR, HXT 63-54-250, 10mm shaft dia, $56
CONTROLLER (ESC), Turnigy 85A, 1S-6S, Built-in BEC to power 5V servo tester as a throttle. $37
BATTERY, Turnigy 6S (22.2V), 30C, 5000mAh, $76
CHARGER, Turnigy 7A charger for 1S-6S, balances cells during charging, 10V-18V input, $33
BATTERY VOLTAGE MONITOR, wireless, Constant read-out of all 6 individual cell voltages, Red LED lights when lowest cell hits 3.6V, $30
THROTTLE (servo-tester being used as a throttle), $15
SHAFT BEARINGS, 1/2" inside diameter, flanged edge, I use two of them, arrived in mailbox less than 5 days in an envelope, $7 each
FREEWHEEL CLUTCH-BEARING, I use two of them, they slide onto a 1/2" shaft, arrived in mailbox less than 5 days in an envelope, $10 each
SHAFT, 1/2" diameter, case-hardened, available off-the-shelf in one-inch increments, arrived in mailbox less than 5 days in an envelope, less than $10 ea
Todd,EVTodd wrote:Looks good. One little thing that jumped out while reading... Keep in mind that clutch bearings can't handle radial load. They need to be supported by other bearings or bushings.
Miles wrote:Todd,EVTodd wrote:Looks good. One little thing that jumped out while reading... Keep in mind that clutch bearings can't handle radial load. They need to be supported by other bearings or bushings.
You can get the drawn cup roller type in clutch only or clutch bearings. The ones linked to above have a set of roller bearings either side of the clutch mech.
How are you going to attach the motor to the shaft? If you need an ev warrior shaft with the notches in it let me know and IÂ´ll send you one.
Miles wrote:Ah, ok.
spinningmagnets wrote: I saw the posts with Hillhaters synch issues (especially since its the same motor as this build). I would give him some advice about the ESC, but...I once tried to fix some electronics with a sledgehammer, and it just made it worse......
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