I am building an extra-long rapier as an exhibition electric weapon for Grindfest this year. The "blade" will be an aluminum-coated fiberglass rod, and the handle will be similar to the stock knives.
I built the sword handle from thick-walled polycarbonate tubing, leftover electric knife parts, and a wooden dowel to hold a fiberglass rod to the plastic. The electronics were identical to the stock electric knives, but they had to run through the dowel in the hilt.
I completed the electric sword. The blade was a fiberglass rod wrapped in aluminum tape strips, but it was the gaps that caused shocks. The adjacent strips had opposite polarities, which required an insulated conductor under each piece. The sword was sturdy, functional, and ready to fight.
I have an upcoming talk about why inventors should document their work and some helpful ways to make recording easier. I mapped out the ideas in a thorough, but inexhaustive, mind map to help solidify my thoughts.
I started the first slides for my documentation talk, but each bullet point contains a ton of information. I will make detailed notes that I can reference during the presentation.
I experimented with different setups, but the best method was presenting to a Google meeting on my phone while displaying the slide deck on my laptop connected to a projector. The phone showed speaker notes and let me change slides.
The rest of the summary posts have been arranged by date.
First time here?
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Completed projects from year 9
Completed projects from year 10
Completed projects from year 11
Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
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| Electric rapier sketches |
I built the sword handle from thick-walled polycarbonate tubing, leftover electric knife parts, and a wooden dowel to hold a fiberglass rod to the plastic. The electronics were identical to the stock electric knives, but they had to run through the dowel in the hilt.
 |
| Shocking handle |
I completed the electric sword. The blade was a fiberglass rod wrapped in aluminum tape strips, but it was the gaps that caused shocks. The adjacent strips had opposite polarities, which required an insulated conductor under each piece. The sword was sturdy, functional, and ready to fight.
 |
| Completed electric rapier |
I have an upcoming talk about why inventors should document their work and some helpful ways to make recording easier. I mapped out the ideas in a thorough, but inexhaustive, mind map to help solidify my thoughts.
 |
| Mind map for documentation talk |
I started the first slides for my documentation talk, but each bullet point contains a ton of information. I will make detailed notes that I can reference during the presentation.
 |
| Start of slideshow |
I experimented with different setups, but the best method was presenting to a Google meeting on my phone while displaying the slide deck on my laptop connected to a projector. The phone showed speaker notes and let me change slides.
 |
| Unpaid A/V technicians |
The rest of the summary posts have been arranged by date.
First time here?
Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Completed projects from year 9
Completed projects from year 10
Completed projects from year 11
Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com
This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.
All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.
All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.
Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.
This blog, including pictures and text, is copyright to Brian McEvoy.
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