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File: 20190218_140207.jpg (2.89 MB, 4032x3024)
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I'm trying to get this old Schwinn electric scooter in order and I've run into some trouble with the motor controller (pic related), which is not functional. None of the replacements I can find online seem to have the right cable endings.
What do /diy/?
6 replies and 1 image omitted. Click here to view.
>>
>>1558192
>make a resistor from some steel wire and use it as speed controller

I'll make my throttle out of a multi function switch and a length of Kanthal if I damn well want to. You don't know me.
>>
>>1558329
>make a throttle out of a length of heating wire controlled with a windshileld wiper control switch, in a box with an infrared temperature gauge attached to a logic controller to the voltage control

Get on my level bitches.
>>
>>1558332

nigger rig olympics

potentiometers are cheap
>>
>>1558130
https://www.ebay.com/itm/24V-36V-48V-500W-Brushed-Controller-For-Electric-Scooter-Motor-Bicycle-E-Bike/153220293415?hash=item23aca42327:m:mjxJvjWiiZdrirH7I6wuIvQ:rk:3:pf:0
>>
>>1558332
You just invented 1940's tram...

Got one of these Razor scooters for freebie but cant get the damn thing to work. Hooking battery up directly to the motor works.

Given attached schematics, how do I wire this thing up to bypass the controller and just send juice directly to the motor when the throttle is pulled?

Bonus points: Is there a way to bypass the controller for throttle but still use it for charging?
>>
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>>1557290
Good luck. I don’t think you’re gonna be able to run the power through the throttle switch without frying it the switch.

As for the charging, you could get something like pic related, actually you might need a 12/24V charger if they’re wired in series like the pic.
>>
>>1557290
>screws on the controller box
Open that bitch up. Test voltage and continuity on things. It’s going to be a mess if you try and bypass thay thing without real solutions.
>>
open it up last, assuming nothing else works. and you wont be able to run power straight through the throttle switch as the throttle switch operates on a 5v input then regulates the output back to the controller.


first test your switch input for 5v
test switch output for 1-5v depending on throttle position
check for voltage output on controller


if i had a gun to my head and was forced to try an off the top of my head attempt at deleting the controller, i would:


take the 2 browns coming out of the throttle switch and wire them to the black off the motor
take the 2 orange from the throttle switch and wire them to the blue out of the controller

jump brown to orange and brown to orange on female pigtail that the throttle switch used to plug into, coming out of controller

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>>
>>1557290
>>1558444

Hey /diy/ can you make your very own Steam Traction Engine like this man?
https://www.youtube.com/watch?v=Xyn6zq2Ummg

How effective can you make such a traction engine?
>>
Bump

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Still waiting to hear back from CNC places about getting my frame cut in carbon fibre ;_;

-------

In /rcg/ we discuss anything & everything remote controlled - multirotors, fixed wing, cars, rovers, helis, boats, submarines, battlebots, lawnmowers, etc.

>How do I get started with racing drones?

https://oscarliang.com/mini-quad-racing-guide/

https://www.fpvknowitall.com/ultimate-fpv-shopping-list/

> How to build a racing drone (16 part video series from Joshua Bardwell)

https://www.youtube.com/playlist?list=PLwoDb7WF6c8mWARrcxtX_G6yytK7QFHID

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116 replies and 22 images omitted. Click here to view.
>>
>>1557339
Whatever the current version is, 2.4.0, I think.
The thing is, I can't even flash new firmware. It just refused to talk to bootloader.
>>
>>1557348
That's what I'm saying, the current version of the configurator may not be able to write over what is on the board. You may need to use an older version of the configurator.
>>
>>1557353
But isn't bootloader hardcoded into the controller..?
I was under the impression it should be possible to bypass old firmware and just flash everything clean…
>>
>>1557367
Well what's the error that you get? Does the board go into DFU mode okay?
>>
>>1556304
>It would certainly be a helluva lot less effort, as all you'd have to do is reference your GPS logs against the map data.
For sure! In practical terms though, lakes go up and down with rain. So you need to reference it to a flat bit near the banks.

Are tools that are red in color better? Do they allow you to work faster?

What is your fave colour scheme for powertools?
138 replies and 22 images omitted. Click here to view.
>>
>>1557292

>where the battery plugs into the tool, and that's exactly where it would burn up under max load if it were going to.

>I have so many skills and so much knowledge that all my time is gone, it's extremely tiring and stressful.

yea nice try but the correct answer is actually the commutator/brushes

keep larping, you dont know shite
>>
>>1558429
>yea nice try but the correct answer is actually the commutator/brushes
?
The entire fuel line is brushless, there is no commutator or brushes.
>>
>>1557736
>hilbilly redneck town
It's the biggest city in Wisconsin. Think Chicago but a fifth the size and farther north. It's also a Democratic stronghold that is mostly responsible for Wisconsin's swing state status.
>>
>>1558430

not gonna lie i didnt even read the original post just felt like being a faggot

carry on
>>
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>>1558434
felt like being a retard* which you are continuing to do, how embarrassing

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Im fascinated by such inlays/ ornaments things like on this weapon. how does one do such things? did anyone ever do something like this?

I looked up how one can do inlays on like flat pieces of wood and people use laser cutter and the such. but on a curved body like this it seems a complete different ball game. but looks like a cool hobby to have.
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>>1557942
the thing is I can only find aluminium flat wires. no one seems to sell that soft silver wire around here. its very strange
>>
>>1557949
just found some:
>2.2 x 0.45
>4 x 0.6
>4 x 0.8

those should do the trick
>>
>>1557301
go to AmericanLongRifles Forums » General discussion » Tutorials » Gunmaking tools and techniques- woodworking then look for wire inlay by Taylor Sapergia
Have fun and you're welcome
>>
>>1557949
https://www.muzzleloaderbuilderssupply.com/mbs3cart/agora.cgi?&product=Tools
>>
>>1558250
>~1m wire for 3 bucks
truly the land of the free. I will probably need to get mine from aliexpress

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I want to into diy and I have access to pallets at work

what are some beginner diy projects using them as my ingredients.

I only have hand tools pretty much btw
3 replies omitted. Click here to view.
>>
>>1557760

That would be an ideal launching pad for a homemade balloon chair.
>>
>>1557758
and than bury it. Now you have a new summer home.
>>
God damnit these troll threads have gotten out of hand. Pallets, shipping containers, synthetic diamonds, plywood. Fuck this place.
>>
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>>1558120
>God damnit these troll threads have gotten out of hand. Pallets, shipping containers, synthetic diamonds, plywood. Fuck this place.

Find any legitimate thread that has ever been ignored and has failed to address everything the OP asked. Hell, some of the troll threads I make about shit like building cars from scratch get so many helpful responses I end up regretting it.

Imagine buying a sandwich as big as you.
>>
>>1557756
make crates

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Who /synthdiy/ here?

I want to make myself a west coast inspired module pack. I want to keep it small, so i guess ill have to go the belton reverb route, though i wanted a spring one.
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>>
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ask /dpt/ about lisp
>>
>>1557761
>>(((((((())))))))
There, done.
>>
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Do you guys think there would be any kind of market in making retro-style analog synths and organs? I know it would be time consuming, but getting a bit of money on the side from a hobby like this would be nice.
>>
>>1558255
Analog synths, particularly Eurorack format, are getting a huge renascence currently.
The market is there, but it's also pretty competitive. You'll be going up against companies like Behringer and Arturia, who've got the budget price range pretty well covered.
You might be able to make a buck doing custom builds though, if you have the chops to deliver.
>>
>>1558255
There is a market but you have to go top of the line an spare no expense, the rest of the market is fairly crowded these days.

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I need to make an automated cat litter box cleaner: automatic scooping of feces and clumps of piss. Ideas?
28 replies and 8 images omitted. Click here to view.
>>
>>1556089
Resident Evil is on vogue this season, its time for complete global saturation!
>>
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why don't you just put more litter on the shit and piss and worry about it later
>>
just use a hampster cage bottom 36"x18" filled with wood chips, it wolnt smell like cat, then when it looks full throw it in the fire pit . thats what i do for my bobcat.
>>
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>>1558360
500ft of woodchips?
>>
>>1555678
not OP but i've been wanting an auto-cleaning litter box myself and came up with a similar idea as you suggest, but there's a couple problems with this:

1. the goal is to not have to deal with changing/cleaning litter. All this does is speed the process up a bit, you still have to deal with it just as often

2. once you raise the rack out, you cant get it back in without removing the litter to place it back in the bottom again

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Does anybody make or know good /diy/ youtube videos?
I started helping behind the scenes with a friend's leather shop who make some really good quality stuff, and feel like we banged out a pretty cool video.
But I'm looking to see some pretty cool /diy/ resources, been really liking learning about leather and steel.
>>
>>1558316
Almost forgot the video we made here's a link
https://www.youtube.com/watch?v=7GIgZycWmDg
>>
>>1558316
>we banged out a pretty cool video
holy fuck turn down the viking music. it makes it impossible to watch

>>1558318
>i almost forgot the link i was supposed to be shilling
>>
>>1558339
Okay where are your resources gay wad
>>
>>1558316
>bunch of dyel creating non functional historically incorrect armor
why would anyone want to support that faggotry?

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What do you guys snack on while doing projects?

Pic is my favorite.
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>>1555543
Not even birds eat the shells. Do you eat banana peels and orange rinds, too?
>>
>>1555628
I dry orange rinds and then powder them to use as seasoning, so yes.
>>
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Game?
>>
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>>1554321
what's with you silly gottamn texans and your weird peanuts in Dr. Pepper??? I lived there for years and never understood

great people though
>>
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>>1557391
I wish this were real. I wish someone was mad enough to actually think this through unironically. For such a thought to even exist in someone's head it would make my sides explode into orbit

I'd like to build on my engraving/leather tooling collection that are similar to the photo.

I'm trying to understand how you can make them yourself and what tooling machine is required. The material is generally brass, and while I understand flat surfaces can be machined using CNC routers, how exactly is it possible to make them on a round device such as in this photograph?

What type of machine would I require to make this at home?

I welcome and appreciate any feedback, thanks.
14 replies and 3 images omitted. Click here to view.
>>
>>1556271

http://g00.eu/2016/08/18/electro-etching-steel-baby-steps/

Here you go
>>
Some of the ornamental engraving things can be done with a rose engine lathe, although those appear to be made on a mill-turn or a mill with 4th axis.
>>
>>1556271
Hand carved with a dremel.
>>
>>1556271
This video will probably help
https://www.youtube.com/watch?v=7GIgZycWmDg
>>
No idea how they're normally made, but I've seen a couple really neat videos about some guy doing up some in his home machine shop
https://www.youtube.com/watch?v=i9pD5vIHJ8M is the one with the actual cutting head
No idea how you'd go about such a complicated pattern though. Presumably either very complex machinery or by hand

Hello hello, what are these type of screws/rods called?
Someone on /g/ helped me quite a lot by saying these are ball screws, but if I go on google images I just find similar rods with way too narrow "spacing" and a way too big of a diameter. So I am either not looking hard enough or they have a name on ther own. Could someone point me to what these are called? (Id guess the diameter is about 1cm/0.5inches).
Pic source:
https://youtu.be/oHPnHIMYnIM?t=60s
4 replies and 1 image omitted. Click here to view.
>>
I have dealt with these guys before. Even if they are out of your price range, have a look at their product selection. It will give you an idea of the parameters that are possible for a given technology.

http://www.nookindustries.com/
>>
>>1557838
>>1557841
Thank you (both?) very very much. Is this just so uncommon to use or why is it so hard to find stuff like that? Closest I came with searching for "high speed ball screw", I assume long pitch is maybe not used that often as often, but is there a reason why this isnt more popular (and THAT expensive)?
It seems like a pretty good syntem, fast but precise.
I want slim long pitches, but its impossible to find those at an affordable price or even finding them in the firnt place.
>>
>>1557838
>>1558139
For the second time, that's a lead screw, you find the same set up in CD/DVD/BD players. There is nothing that looks like a ball nut, but there is something that looks like a nylon nut that again is common in CD/DVD/BD players. If you find the right supplier you can pick these things up for pennies.
>>
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>>1558139
with a very steep pitch leadscrew, the convention is to use multiple start instead of single start. they do the same job and carry more load for only a small increase in friction.
usefully, pitch=diameter for a 4-start, so an 8mm leadscrew moves the nut 8mm per revolution.
>>
thank you

Supp /diy/, i’ve bought rare 90s solid state guitar amp for dirt cheap and it’s broken. Somehow DC is running trough speaker and all i hear is hum (i can hear guitar too, but only after putting volume pot to 10). Which part of amp can be probably faulty? What parts need to be checked at first? Amp is Rath-Amp Retro 80.
>>
May be a shorted electrolytic capacitor on the final amplifier stage.

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How do you succesfully pick a lock?
20 replies and 8 images omitted. Click here to view.
>>
>>1556845
>street bristle
What the fuck is that?
>>
>>1557963
The best thing for making lock picks, I've been making them forever, I've tried everything, sweeper bristles are the most durable and best sized
>>
>>1554654
Its not even hard. Fucking look it up you lazy theiving nigger. You would get a much better tutorial from a video on YouTube than any amount of information that could be posted here.
>>
Look up bump keys and by one that includes a thick rubber washer
>>
become black, when your black enough itll just magically open


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