Working Web Shooter

Thank you to both of you, and I'll reply properly soon, but first I have a quick, somewhat urgent question. Does it matter if I keep two motors together for a long time, when they're off? I've noticed that they have a constant magnetic field that's just about strong enough to be noticeable when I put them next to each other. So I was concerned about whether it would damage the internal workings if I kept them resting against each other.
 
It's not something I've ever considered before. But the permanent magnets in DC motors shouldn't come to any harm by being next to one another.
If they're too close electrically they may interfere with each other (many motors come with a decoupling capacitor already soldered across their leads to reduce noise).
But if you're not using a speed controller or any other electronics even that shouldn't be a problem for you.

TL:DR

No.
 
Ok, well I'm too lazy to try and fix the soldering iron right at the moment (and yes, I know it's been quite a few weeks since I received the help, but I'm that lazy), so now I'm working on the contraption that it will shoot. I've drawn a diagram:
2mxj12q.jpg


That's it when it's fully open. It'll be closed when it's inside the web shooter, and then it will open up when it gets shot out (this is a top down view, just to be clear).

So, here's how it's going to work. There will be a small square made out of wood (I don't know what it's called, but I mean the really light stuff that you can snap easily). Then at the end of each of those long bits, there will be a ring which fits onto each side of the square, as you can hopefully see in the diagram. And on either side of the rings I'll glue some other, smaller rings to stop them sliding along (that's what the black things are).

I'm going to make a prototype now, using card for the long bits instead of cork, which is what I'll use for the final model.

Also, to those two users who gave me advice about the soldering iron, thank you very much! :) I think it's probably what the second person said, though, since the tip is completely black...
 
I've finally got round to fixing the soldering iron (because it was required for school) and I managed to solder the two wires back onto the motor! :D I shall now wire it back up to the batteries with the other motor and see how well it fires.
 
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