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March 23, 2021
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Will do!
Thanks Michel 
August 7, 2014
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Hi Andy,
Here is the stairfile for your design. Don't forget to keep us posted on the built
Regards
Michel
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Andy CockerMarch 23, 2021
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Hi Michel,
Thank you for your help with this, I was aware of the issues using 244mm width stringboard, because I already have that material on the shelf.
However, I think the problems will outweigh the economy so please proceed with your version 4.
Thanks again for your help 
Andy
August 7, 2014
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Hi Andy,
It seems you are limited in stringboard width. You mentioned 244 with a zero offset which set the top of the step and the top height of the stringboard. This is going to create issues when you route the notches. They will protrude through the top face of the stringboard. I advise a minimum of 15mm offset. Also, the lower side of the stringboard is not covering the steps entirely. I advise a width of at least 280mm with a 15mm offset.
Here is a new version (v4). If you are limited and need it like (V3), just confirm, and I will send you the documents according to the chosen version.
Regards
Michel.
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Andy CockerMarch 23, 2021
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Hi Michel,
Whilst checking everything over, we made some changes!
Please could you check it and if it will work, give me the star files for it?
Thank you in advance for your help
Andy
March 23, 2021
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Michel said
Hi Andy,
I added that central post with a diameter of 101.6mm. This triggered a flight correction as the existing one did not have the correct dimension.
39mm is better. I have also set the stringboard that way now, but I wonder why you set the stringboards outside the stairwell? This means that the thickness of the stringboards is not included in the flight width. Here is that document showing the top view with dimensions for you to check. It does not change the overall size but the size of the steps only. I see that there is a penetration value of 10mm on the newel, so if it is a metal one you might need to remove it or set it correctly if you need a penetration there
Michel
Thanks Michel, I'll check everything tonight and get back to you.
August 7, 2014
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Hi Andy,
I added that central post with a diameter of 101.6mm. This triggered a flight correction as the existing one did not have the correct dimension.
39mm is better. I have also set the stringboard that way now, but I wonder why you set the stringboards outside the stairwell? This means that the thickness of the stringboards is not included in the flight width. Here is that document showing the top view with dimensions for you to check. It does not change the overall size but the size of the steps only. I see that there is a penetration value of 10mm on the newel, so if it is a metal one you might need to remove it or set it correctly if you need a penetration there
Michel
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Andy CockerMarch 23, 2021
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Hi Michel,
Yes I would like to use 26mm beech stringers
(2 x 13mm boards laminated so I can bend them easier, was worried if I router 10mm deep they may split during bending? Maybe I could go for 39mm and keep the 13mm penetration?)
I have a 101.6 mm steel centre post.
Kind Regards,
Andy
August 7, 2014
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Hi Andy,
I see you use 26mm stringboards in beech. Is that the case, or will it be metal? I expect 10mm when it is metal
Also, in the case of wood, the penetration is set at 13mm, which is 50% of the mass. I would advise 10mm max penetration, approx 1/3 of the mass.
Are you not using any central post? I would like to have some idea of the built to be sure of the technical built aspects. Maybe you have already built stairs before?
regards
Michel
March 23, 2021
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Sorry forgot to click the "upload button"
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