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Jan 31, 2016, 08:38 PM
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ECX Ruckus refurbishment

A new cargo container made out of 15 year old corrugated plastic was finished. The plastic dated from a time cheap letter trays were sold at Target. They definitely don't sell stuff that cheap anymore & the last plastic became quite brittle from 15 years exposed to UV light, so it might not last.

The electronics were made more compact & enclosed in a bigger sheet of plastic. There was no way to put the electronics on top. Used transparency from circuit board etching ended up quite useful in waterproofing the electronics. It could be stapled into box shapes for the radios & hot glued on the wood for the mane computer. Hot glue was quite tenacious when used to clamp transparency down but was quite worthless when adhering transparency to itself.

At minimum, the waterproofing should prevent more droplets from hitting the electronics, but would be no match against submersion or heavy rain.

Reglued the headlights & made them always on. A switch was considered not reliable enough in the rain & the overall current usage was low enough. Bluetooth headlight control remaned too much of a pain compared to a switch.

The cargo container was hot glued on. Using hot glue to adhere the plastic to wood seemed good enough, despite hot glue not adhering to corrugated plastic alone. It may still be bolted on, but this wouldn't be as rigid.

Retaped the battery & ESC in. Gave the ESC more tape to try to slow the water penetration.

In a 6.9 mile range test with the cargo empty, it used 1443mAh or 209mAh/mile. It would now probably go 18 miles. A coulomb counting charger at the day job would allow testing the range with cargo. Steering was already quite top heavy with no cargo.
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