here is how to make a pen cannon with more power than a normal one. i used two springs. i will add another instructable with more indepth construction and better photos
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4 Discussions
7 years ago on Introduction
You probably should have waited until you built the object before creating the 'ible. This would have been better suited as a forum topic.
Reply 7 years ago on Introduction
i have built it just didn't have it with me when i made picture and made pic in a hurry
Reply 7 years ago on Introduction
Instructables aren't supposed to be "hurried". They're supposed to feature detailed step by step instructions. Slow down, and create a quality product.
Reply 7 years ago on Introduction
very good point. i am currently working on making a modified version of this using different pens and springs to see which works best. i will make a very detailed instructable.