"Richard Smith" wrote in message ...

"Jim Wilkins" writes:

"Steve W." wrote in message ...

Jim Wilkins wrote:
"Richard Smith" wrote in message
...

Can you sketch?

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If you send me an email I'll attach a photo of the gantry and
sawmill. it's on Google Photos but I don't know how to share it.

Right click on photo, select "Copy link address"
Paste link in new message.
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https://photos.google.com/photo/AF1Q...KNJpqIL_Xendex

Jim - get an "Error 404" on trying to follow that URL.
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I could access it later the day it was posted, but not now. It shows the overall saw and gantry setup though not any detail.

My plan is to sandwich plates between the channels like this: ]|[.
The end plates are the hangers, the central one the splice plus a hanger when the track runs across the storage shed. I'll try single bolts through the web at the joint between the channels and at the outer ends of the splice, to see if the shear and bearing are reasonable.

This is in Courier New 10
_ _____________________ _
|o| / o \ splice |o|
====~~=============,================~~=====
|o o o | o o channels o|
====~~============='================~~=====