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Gang Saw - Frame Saw

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Project by swirt posted 04-27-2018 02:00 PM 2589 views 3 times favorited 22 comments Add to Favorites Watch

I’ve had the desire to build a Roubo style frame saw for a while now. It is not that I want to get into sawing veneer. It just seems to be a more stable method than my previous efforts

Then I got to overthinking it, and thought, “what about a gang saw?” A Roubo style frame with 2 blades instead of one. Cut one slab in each pass. I figured there had to be others that have tried this. Searching online turned up next to nothing about it other than a few old saw mills that had water or steam powered gang saws.

I appear to be in uncharted territory… so this is either going to be a novel idea, or a terrible idea.

The frame is maple side rails and pine 2×4 for the handle ends. I used half-blind dovetails to join them together. Finish is BLO. Since this was just a prototype I did not go wild with intricate details or expensive wood.

I used a 2” bandsaw blade from sawblade.com A beautiful blade that seems to track straight but only has teeth spaced 7/8” apart. Unfortunately it is too aggressive to use without shaking yourself and your supporting bench apart. The win though was that the parallel blades do not bind as I thought they might. So I am in search of a different blade that will track true, but not be quite so aggressive.

So far, the experiment is not a terrible idea… I just need to refine my blade solution.
Full details and lots more photos here: Hand powered gang saw.

-- Galootish log blog, http://www.timberframe-tools.com





22 comments so far

View Ron Aylor's profile

Ron Aylor

2649 posts in 1102 days


#1 posted 04-27-2018 02:34 PM

Good work, and a great idea! I too am working on a gang saw arrangement for my Eighteenth-Century Frame Saw. I’m planning on three blades spaced approx. 1/4” apart. I’ve also been considering a scaled down version of this vise, pictured in Aldren Watson’s Country Furniture.

View gargey's profile

gargey

1013 posts in 1230 days


#2 posted 04-27-2018 03:01 PM

Reach for the stars!

Let your wings take dream!

View Mr_Pink's profile

Mr_Pink

167 posts in 827 days


#3 posted 04-27-2018 03:30 PM

This is an interesting set-up. It looks like you could easily adapt it to different thicknesses or a single blade by rearranging spacers.

View swirt's profile

swirt

4072 posts in 3427 days


#4 posted 04-27-2018 03:36 PM

@Ron Aylor Thanks. Oooh three blades sounds fun. I can’t wait to see what you come up with. I am anxious to see what you use for blades.

@gargy Thanks.

@Mr_Pink Yes you are right. I made it so putting in different spacers could give you different widths. Also allows for removal of one blade and using it as an ordinary frame saw.

-- Galootish log blog, http://www.timberframe-tools.com

View swirt's profile

swirt

4072 posts in 3427 days


#5 posted 04-27-2018 03:38 PM

@Ron_Aylor that vise would be something. I wish I had room for it, but I don not. I clamp my Bulloxon to the bench and use that. It works pretty well.

-- Galootish log blog, http://www.timberframe-tools.com

View Mr_Pink's profile

Mr_Pink

167 posts in 827 days


#6 posted 04-27-2018 05:36 PM


@Ron Aylor Thanks. Oooh three blades sounds fun.

Uh oh. I sense a Schick-vs-Gillette-style escalation in blade count.

View Steve_In_MN's profile

Steve_In_MN

29 posts in 511 days


#7 posted 04-27-2018 05:42 PM

Interesting approach for blade attachment/adjustment and frame construction. Great detail provided on your web site blog. Thanks for sharing!

The next item on my “To Build” list is a single blade frame saw for resawing. I’ve bought a blade from Highland Woodworking and can benefit from the information you shared!

Thanks

-- Steve, Minneapolis area

View swirt's profile

swirt

4072 posts in 3427 days


#8 posted 04-27-2018 05:50 PM

@SteveinMN Thanks, and good luck with your saw build.

-- Galootish log blog, http://www.timberframe-tools.com

View helluvawreck's profile

helluvawreck

32086 posts in 3322 days


#9 posted 04-27-2018 06:33 PM

This is an interesting post.

-- helluvawreck aka Charles, http://woodworkingexpo.wordpress.com

View Ron Aylor's profile

Ron Aylor

2649 posts in 1102 days


#10 posted 04-27-2018 07:45 PM


@Ron Aylor Thanks. Oooh three blades sounds fun.

Uh oh. I sense a Schick-vs-Gillette-style escalation in blade count.

- Mr_Pink


Too funny. LOL!

View Ron Aylor's profile

Ron Aylor

2649 posts in 1102 days


#11 posted 04-27-2018 07:47 PM



@Ron Aylor Thanks. Oooh three blades sounds fun. I can t wait to see what you come up with. I am anxious to see what you use for blades.

- swirt


I’ll use the same blades as with the original frame saw … just made the blade attachment pieces out of 1-1/2” vs. 3/4” stock.

View Woodbie's profile

Woodbie

32 posts in 508 days


#12 posted 04-27-2018 10:44 PM

Nice project. Keep doing!

-- WoodWork ideas for you https://www.digitalideas.site/

View swirt's profile

swirt

4072 posts in 3427 days


#13 posted 04-28-2018 12:13 AM

@helluvawreck Thank you.

@Woodbie Thanks, I plan to.

-- Galootish log blog, http://www.timberframe-tools.com

View Dan Wolfgang's profile

Dan Wolfgang

176 posts in 1262 days


#14 posted 04-28-2018 01:28 AM

Very nice! One of the things I’ve noticed about the Blackburn Tools frame saw blade is that the gullets are so deep to help carry the sawdust out of the cut. Even with less aggressive teeth, is the sawdust getting evacuated well? Just curious.

View anthm27's profile

anthm27

1270 posts in 1565 days


#15 posted 04-28-2018 03:04 AM

Love it, seems brilliant

-- To be a true artist one must stick to their own thought process

showing 1 through 15 of 22 comments

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