cutting rafters, what is the formula?

[pcj-the]

Originally Posted by macafee2

pcj-the, if I message you my email address could you email me all the pictures you have added to this thread?

I want to print all your advice and add the pictures to make a How To but the pictures wont copy and paste and if I save them and then copy and paste they are too small

thanks

macafee2

No problem Mac.
Send the email.
I had to reduce the pic sizes to be able to upload them to here.
The originals are much bigger.

[macafee2]

Thank you, have replied to your pm

macafee2

[macafee2]

massive thanks to pcj-the for sending me photos and an Excel spread sheet to help work things out

thank you for the time you have taken and information sent

macafee2

[COLVERT]

Originally Posted by pcj-the

True, you can indeed buy trussed rafters (a pain in the eyeballs when you want to do much with the attic space and also a pain if you need to span anything non-standard.) but that wasn't what Mac was after for his job.



For those who have to put up plain old fashioned rafters surely there is some neat, tried and trusted method known to the chippys of old out there?

You can buy them for any span you want.---

( For Mac.---Attic space in a garage.---- )





PS-------Nobody seemed to notice the car in post 19.

[macafee2]

The need for knowing how to cut rafters has gone but the wanting to know and have a go remains.
The need was having an asbestos roof removed professionally and then building a new roof. I wanted to build the roof but plans have changed.
Perhaps my daughter and her husband will see sense and want a garden shed, man cave, summer house built. I will then have a need again.
I also saw a video on stair cases, that was interesting.

May be in time a more ambitious project will be to alter a "barn" roof. I would need an architect to draw plans for me. Pity you two are so far away I could use the expertise

macafee2

[COLVERT]

Originally Posted by macafee2

The need for knowing how to cut rafters has gone but the wanting to know and have a go remains.
The need was having an asbestos roof removed professionally and then building a new roof. I wanted to build the roof but plans have changed.
Perhaps my daughter and her husband will see sense and want a garden shed, man cave, summer house built. I will then have a need again.
I also saw a video on stair cases, that was interesting.

May be in time a more ambitious project will be to alter a "barn" roof. I would need an architect to draw plans for me. Pity you two are so far away I could use the expertise

macafee2

If you really want to learn then a school book on geometry would help you a lot.--- Basic roofs are simple geometry.---