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Old Blog: Old Blog
2007 September September 29, 2007: Burlington! Burlington was great! I will get some videos up eventually, but I don't have room to edit them now. A ton of great pictures were uploaded. See them on...
View ArticleNext Treb: Next Treb
I'm not going to release too many details at this point, but I have a new design and I am planning on building it. Here are the stats: LA: 2 feet CW drop: 6 feet CW: 15 pounds Projectile: Golf ball...
View ArticleNext Treb: Re: Next Treb
I just assembled the main part of the base (4 parts, 9 identical screws). I only had to make 1 cut. There is 1 part left in the base, the outrigger, and it will be attached by two bolts. It looks like...
View ArticleNext Treb: Re: Next Treb
The base is now fully assembled and it weighs under 3 pounds. The next step will be to acquire the material for, and make, the uprights. There will be 6 (Edit:4) uprights to hold the axle. In total,...
View ArticleMore Pictures!: More Pictures!
I just uploaded 28 new pictures of my hurling devices. I now have a much better work flow for uploading and tagging pictures. Check out the new pictures on Fickr or just look on any of the pages with...
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Next Treb: Re: Next Treb
Here is a rendering of part of my design (Click for very large size). It came out a bit more complicated than the original plan, but it should make the timing easier. Feel free to speculate about that...
View ArticleTreb Construction Progress: Treb Construction Progress
Yesterday I built most of the arm, and designed the sling holder. Today I started building the secondary and tertiary trigger assembly (they are timed separately). When discussing the design with my...
View ArticleSprings and things: Springs and things
I just added the tab that lets the tertiary trigger get released after the secondary has released. I also spring loaded the secondary and tertiary triggers. Now I just need the sling box, and hook...
View ArticleTriggers work!: Triggers work!
My new treb may have a complex hacked together unstable trigger system, but it works. I clamped the axle to the work bench and spin the arm around. Even the sling holder and new sling configuration...
View ArticleSling and pin finished.: Sling and pin finished.
I just finished the sling and adjustable firing pin. Adjusts across about 90 degrees of angle. The sling came out to 4 feet long. I have to wonder about the effects of having a 4 foot sling on a 2...
View ArticleAxle assembly and frame progress: Axle assembly and frame progress
I just have two uprights to cut and install, and the counterweight arm to cut and install. If all goes well, I might have it finished tomorrow. The CW came out more compact than I thought, so it...
View ArticleDry Fires: Dry Fires
I just did a few no CW dry fires on my treb. Seems to work right, though a few things need adjustments, and needs something to prevent it from falling over forward. I think I just make sure it is not...
View ArticlePoor CW Energy Transpher: Poor CW Energy Transpher
I spent some time today dry firing and taking video. I have to say that with a 5 pound weight (about 8.75 total CW) falling 7 feet, I only got a small portion of the energy into my light weight 2 foot...
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