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Handy dandy pulley calculator.

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tinkerer:
I am ashamed to admit that I haven't even started. I thought I would have all kinds of time on my hands when I retired, but I got involved in so many things, the only time I get in the shop is when I make something for someone else. The lathe hasn't been turned on in a couple of months. Neighbors kid is having a baby and he wanted to build a crib, so I am assisting him in that, not doing it for him. Another friend bought a combo machine and  needs help installing and learning how to operate, so I am helping with that. Booster club is crazy busy and the church takes the rest of the time.

websterz:
I have built my saw a dozen different ways in my head but it still isn't cutting right. I'm thinking about scrapping it and rethinking ... :doh: :dremel:

fluxcored:
Tinkerer, do'nt sweat it. My projects' are always behind schedule + I find that I'm lucky if can spend 6 hours a week on the lathe. So I'm really learning at a very very slow pace.

I've always got a backlog and now that I have a lathe it's even worse because I'm starting to build tools to make tools to make a particular part for some project I've got going.

Websterz, I'm mentally prepared that when I start up mine it's going to fall apart!! If it manages to survive it's definitely going to be extremely noisy.

Any case guys, good luck.

ViKARLL:

--- Quote from: fluxcored on April 28, 2010, 06:43:13 AM ---I just finished a cam this weekend to provide a lifting action and possibly drive a coolant pump.


--- End quote ---

Hi fluxcored,

I am in the process of building a power hacksaw. I have surfed fruitlessly for nearly a month and was about to give up when I came across SMF through your post, mentioning about a cam lift mechanism of the blade on the return stroke.
Many people elsewhere have touched this topic but you are the only one who stated making one himself. Others are either vague about it or sounds that it is so trivial. I have never seen the anatomy of a power hacksaw so I am lost.
Could you please educate me on how this cam mechanism exactly works, where is it mounted etc., If you can kindly offer some sketch / picture, that would be great.
I know it is one generation late to write to this thread but I thought I'll give it one last shot.

Thanking you in advance with best regards,

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