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Bow Saw Build #4: Baby Steps...

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Blog entry by HokieKen posted 02-20-2019 02:40 PM 339 reads 0 times favorited 10 comments Add to Favorites Watch
« Part 3: Let's do that again... Part 4 of Bow Saw Build series no next part

I have so many small projects going on in the shop right now that it’s hard to find time to finish this saw since it’s not real high on the priority list. But, I had about 30 minutes to kill last night and it seemed to be calling my name. So, it may take me several short sessions but I will finish this puppy! ;-)

For last night, I just finished fitting the new cross-member. I had one side done last time so it was on to the second side. I marked a square line across the piece where the tangent to the radiused shoulder should be according to the Gramercy plans. I then used the mating piece and traced the radius of the shoulder and laid out the tenon.

I cut the tenon first with my dovetail saw then trimmed the shoulder close to the line on the sides with the bandsaw. Then I checked the tenon fit. I pared the tenon down until I got a good, tight fit. Had a bit of a faux pas with the chisel though…

Oops. Oh well, no biggie. I can glue the piece back on if needed. So then, I used a bench chisel to clean the shoulders up in the area of the tenon almost right up to my pencil lines. Then I went back with a paring chisel and cleaned it up to the final radius.

Then I checked my fit:

I left a bit too much length on the tenon. Which works out well since I had lost a piece of it :-) So I trimmed the tenon up and did a little more tweaking and got a fit I like.

So, next comes the fun part :-) Out come the shaves and rasps and scrapers and sandpaper to give this thing some more pleasing curves and geometry. But, before I spend any time on that, I want to be sure that all of my pieces are sound and that it’s going to fit up as intended when the hardware is installed. So, I put the pins in, put a blade one, rigged up a tension line and twisted it up with a piece of scrap.

All’s good! The frame tensions up well with no racking or twist and the blade pulls good and taut. So, that’s where I leave off for now. Next time I’ll work on shaping these pieces. Thanks for checking in!

-- Kenny, SW VA, Go Hokies!!!



10 comments so far

View EarlS's profile

EarlS

2527 posts in 2644 days


#1 posted 02-20-2019 02:46 PM

That is going to be a thing of beauty judging by the figuring I could see in the pictures.

-- Earl "I'm a pessamist - generally that increases the chance that things will turn out better than expected"

View KelleyCrafts's profile

KelleyCrafts

3606 posts in 1035 days


#2 posted 02-20-2019 02:47 PM

Did you do a test cut? There will be a little more tension in a cut, just on the safe side I would do a few cuts. Just my thoughts. Looking stellar! Can’t wait to see ti shaped and some finish applied. Those woods are going to pop.

What’s all that crap on the floor? I thought you were all organized now? ;P

-- Dave - http://kelleycrafts.com/ - pen blanks - knife scales - turning tools

View HokieKen's profile

HokieKen

8561 posts in 1434 days


#3 posted 02-20-2019 02:56 PM

Thanks Earl. Both of those woods are dead sexy. The vertical pieces are some gummy Cherry that Jeff gave me and the horizontal piece is some “burly” Eucalyptus Dave gave me :-) I’m really excited to see it when the shaping is done and I get some finish on it.

Dave – I AM organized! I moved all of that stuff off the bench and onto the floor! ;-) Actually, most of that is either going to the dump or belongs on a shelf that I can’t get to right now because the table saw and flip-top sander/planer stand are blocking it. When I get the big, old table the metal lathe was on out of the shop (tonight WOO HOO) the saw and flip top cart will go over there and I can put the rest of that junk back on the shelf.

I do need to make a couple of test cuts. I didn’t last night but I did leave the saw tensioned so I will before I take it apart again.

-- Kenny, SW VA, Go Hokies!!!

View GR8HUNTER's profile

GR8HUNTER

5679 posts in 1008 days


#4 posted 02-20-2019 03:00 PM

coming along very nicely cant wait to see it with finish :<))))))))

-- Tony---- Reinholds,Pa.------ REMEMBER TO ALWAYS HAVE FUN

View Oldschoolguy's profile

Oldschoolguy

45 posts in 132 days


#5 posted 02-20-2019 03:01 PM

Hey Hokie, Sweet my friend!!!!!

View Dave Polaschek's profile

Dave Polaschek

3439 posts in 878 days


#6 posted 02-20-2019 06:18 PM

When you glue handles onto the brass pins, make sure you have them lined up correctly. DAMHIKT.

Good work, Kenny. Sloan’s Teddy wins the race.

-- Dave - Minneapolis

View HokieKen's profile

HokieKen

8561 posts in 1434 days


#7 posted 02-20-2019 06:45 PM

My handles will be turned on the lathe Dave so I don’t think I can get them misaligned. Although, it’s entirely possible that I may still find a way…

Had to google Sloan’s Teddy. Nice. I’ll have to keep that one in my pocket ;-)

-- Kenny, SW VA, Go Hokies!!!

View Dave Polaschek's profile

Dave Polaschek

3439 posts in 878 days


#8 posted 02-20-2019 11:11 PM

I have every confidence in you, bud. You can find a way!

-- Dave - Minneapolis

View woodcox's profile

woodcox

2230 posts in 2307 days


#9 posted 02-20-2019 11:51 PM

Good work, Kenny. I hope that nice cherry holds out too. I was surprised with the tension needed for these to work. I don’t use mine as much as I should. My pin holes aren’t snug enough and the frame will rotate, annoyingly if I don’t keep a finger up to it in use. I thought to try some rosin but, haven’t gone looking for it. Maybe any pine pitch would do? I cut up a fine 1/4” bandsaw blade and removed a little set from the teeth to have some more aggressive blades for it also.

-- "My god has more wood than your god" ... G. Carlin.

View HokieKen's profile

HokieKen

8561 posts in 1434 days


#10 posted 02-21-2019 04:40 PM


Good work, Kenny. I hope that nice cherry holds out too. I was surprised with the tension needed for these to work. I don’t use mine as much as I should. My pin holes aren’t snug enough and the frame will rotate, annoyingly if I don’t keep a finger up to it in use. I thought to try some rosin but, haven’t gone looking for it. Maybe any pine pitch would do? I cut up a fine 1/4” bandsaw blade and removed a little set from the teeth to have some more aggressive blades for it also.

- woodcox

Some pine pitch might be worth a shot WC. Leaning to something a bit cleaner though… you might be able to just tap each pin a couple of times in the area that’s in the wood with a ball peen hammer or with a punch. Might deform the brass enough to snug it up in the holes? Just be sure you don’t bend them in the process!

-- Kenny, SW VA, Go Hokies!!!

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