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I need some hints/help, I've recently managed to pick open an Ingersoll padlock, with the ingersoll core, that I've found in the gutter a while back while visiting UK. Since there was no key, now being open I'd like to make one (before I try to lock it again and play with it ).
I have managed to obtain one blank that fits but the question is how exactly do I measure the cuts?
Is there a chart somewhere on how to measure the gates of the levers so that I can translate that to the key? (unfortunately I've no room for error on the key blank as I do have only one and I don't think I'll visit the UK anytime soon to get more)
Any hints are appreciated
thanks

Take the lock apart so you can insert the key while you are working.

Then you mark where each cut needs to be then start filing. Keep going until you get each one to the right depth. You will be able to check each of the levers as you go.

@Riyame took me a while to figure out how do completely disassemble it and to obtain key blanks but it's half way there. Gonna post an update when it's done.
Thanks fir the hint.

May help ..

@oldlock, that is really detailed information thank you!
Took me a while to find a blank for the profile. Already cutting it but it slow

It is done I've managed to make a working key for the Ingersoll
Gonna compile an assembly video soon - gonna leave the link here when it is up
Thanks for the hints and help guys!

video is up https://youtu.be/BCP862wLY9Q cheers