Noob question thread! 2020_Summer

I could also make them slightly larger and gain back some of the surface area I lost going from the mbs-clone footprint to the rectangle.

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Could also make a custom spacer out of a block of wood. You could match the footprint of the baseplate easily, and it’s way easier to work with than CF.

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I believe LaCroix has some that may fit. Not sure who else makes 72t pulleys that are in stock (MBS seems to have been out of them for a while now)

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I sent a msg to @IDEA - if I’m paying anyhow, his work looks every bit as nice. Based on the price for two pulleys from LaCroix I’m trying to figure out why they would paint them black after machining them out of solid gold.

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Maybe dumb question, the antispark loop can be on any wire right ? With 2 lipo in serial, can it be on the wire between the lipos ?
Technically it would still open the circuit, but is there any side effect ?

@Anubis @Halbj613
It’s indeed the too much capacitance. This can be fixed with a simple circuit. All you need is a 5V Relais and a couple of resitors.

@Blise518B did it like this:

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Oh hell no. That’s looks like trouble. I’d 3d print a riser to at least cover the baseplate. It needs to be wider/longer. I wouldn’t worry about it being plastic. I have 2" of risers. Get it made from ABS. You can also design it to hold mounts like for a headlight. It will be nice with 9s

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I’m glad I am not the only one who is bothered by the loss of surface area contact due to the different profiles in the mbs-clone truck-top footprint and the traditional riser shape (which is just a rectangle).
I even considered putting egg-shocks or rubber stoppers on either side (there is a pre-drilled hole centered directly above the open truck-top space on either side. It’s kinda perfect).

I also found someone who made channel-truck shaped anti-sink plates…and I thought I could stack those 5 per side to get to roughly 25mm, but that gets expensive at $15-$30 apiece.

I may actually stop in at a local machine shop and see if they could make me something out of aluminum (heavy?) or CF (much lighter) or whatever else they might suggest, providing it is not cost-prohibitive.

I don’t have a 3D printer, but I know someone who does.

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thanks man
is there a way to just turn push to start off?
i dont need it and cant be bothered buying all different bits to fix

nah i dont think so…

Just don’t be lazy and fix it the right way. Partscost is less than 3 pounds lol

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hall sensor detection failed
hi im trying to setup my esc(spintend 75v single) in vesc tool and getting an error under hall sensor detection it say bad detection see video plls >>> hall sensor detection failed - YouTube

not about laziness rather simplest solution
thanks though

left it sitting for 12 hours (overnight) not connected to vescs anymore (unplugged the xt90) and then attempted to turn the switch off (switch was on the whole time) and it still went back on after 10 seconds

makes me think that the issue doesnt lie with the vescs

You could also connect resistors in parallel to the VESC. You have to play around with the values but around 5k OHM should fix the issue.
The Relais just turns them off so they don’t waste energy.

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even when not connected to the vescs it wont switch off
makes it seem like not an issue with the vescs but rather the switch

In my experience the switch behaves strange when it’s not connected. It doesn’t really mean anything. Play around with Resistors on the VESC side while everything is connected if you want to fix it.

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will try and check out
will connect to just one vesc and see if it turns on

what factors determine whether i will get a capitance issue? (wire length/ wire size?)

The most import thing is the size of the capacitors and the tolerance of the components. If you are unlucky you got an extra sensitive anti spark and bigger than normal capacitors.

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got focboxes (no idea how big their capacitors are)

prob a really stupid question but im gonna go over to a loopkey setup (good old days :laughing: )
was wondering… what do people do when they lose their loopkey
if you leave in your pocket or something and then it sorta goes missing/ breaks?
i just dont wanna be stuck somewhere random without it