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by admin
Wed May 06, 2015 3:09 pm
Forum: Keys & Key Building
Topic: Torsion Bar Key Project
Replies: 16
Views: 1957

Re: Torsion Bar Key Project

Assembled the key last night. Finger piece and base look great. Not happy with the lever arm though. The hole for the torsion bar is slightly off (not vertical) causing the torsion bar to be out of plumb which causes the lever arm to not be exactly level. I am going to rebuild the lever arm. I will ...
by admin
Tue May 05, 2015 1:40 pm
Forum: Keys & Key Building
Topic: Torsion Bar Key Project
Replies: 16
Views: 1957

Re: Torsion Bar Key Project

Applied three coats of polyurethane to wooden base and finger piece over the past couple of days. Ready to assemble the entire key tonight and make sure everything fits and works. Then take it all apart again and remove tool marks and shine up the brass. I also want to make some longer contact screw...
by admin
Tue May 05, 2015 12:55 pm
Forum: CW Academy
Topic: Class Notes - April/May 2015
Replies: 2
Views: 405

Class Notes - 5/4/15

Everyone is doing much better sending the QBF. We had our mid term exam. The exam consisted of receiving a basic QSO at 10-15-20 WPM. Mike was able to get some of the 20 WPM QSO. The others got most of the 10 and 15 WPM QSO's. The class knows what to work on for the final exam.
by admin
Sun May 03, 2015 9:45 pm
Forum: Keys & Key Building
Topic: Torsion Bar Key Project
Replies: 16
Views: 1957

Re: Torsion Bar Key Project

Managed to find some time this weekend to make a nicer looking finger piece from some .25 inch red oak. Also made a larger wooden base. Everything is stained and drying waiting for a couple coats of polyurethane. Getting closer to finished but still have some work to do taking the tool marks out of ...
by admin
Sun May 03, 2015 12:50 pm
Forum: Keys & Key Building
Topic: Torsion Bar Key Project
Replies: 16
Views: 1957

Re: Torsion Bar Key Project

Maybe I should be carefull about using those words not to give someone the wrong impression. I have a VERY small shop. Three small machines and a bunch of hand tools. I do have a lot of bits and pieces of things laying around though. I would like to invest in a small drill mill next. It doesnt take ...
by admin
Fri May 01, 2015 7:02 pm
Forum: Keys & Key Building
Topic: Torsion Bar Key Project
Replies: 16
Views: 1957

Re: Torsion Bar Key Project

Spent some time in the shop the past couple nights working on the binding and contact posts. The contact posts were too close together so I had to machine the posts down to 3/16. Not fun. I will make a note of this issue on the drawing for future builds. The plastic flanged shoulder spacers worked p...
by admin
Wed Apr 29, 2015 2:28 am
Forum: Keys & Key Building
Topic: Torsion Bar Key Project
Replies: 16
Views: 1957

Re: Torsion Bar Key Project

It's alive ! I spent a couple of hours in the shop tonight carefully drilling and tapping the holes to mount the torsion bar assembly and lever arm to the base. I wanted to test the tension so I threw together some makeshift contact posts and hooked it up with jumper wires. I gaped the contacts to a...
by admin
Tue Apr 28, 2015 11:41 am
Forum: CW Academy
Topic: Q&A - April/May 2015
Replies: 0
Views: 328

Q&A - April/May 2015

Question and Answers forum for Class of April/May 2015
by admin
Tue Apr 28, 2015 11:22 am
Forum: CW Academy
Topic: Class Notes - April/May 2015
Replies: 2
Views: 405

Class Notes - 4/27/15

Everyone did a good job sending the QBF tonight. The best so far ! We continued to study the basic QSO format and did some class exercises that simulated a real QSO. We will spend this week preparing for our mid term exam next Monday night. Again, I urged everyone to get on the air and make some bas...
by admin
Tue Apr 28, 2015 11:20 am
Forum: CW Academy
Topic: Class Notes - April/May 2015
Replies: 2
Views: 405

Class Notes - April/May 2015

Class notes posted here.

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