Author Topic: 2020---->What did ya do today?  (Read 90957 times)

Offline Mad Max

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Re: 2020---->What did ya do today?
« Reply #1220 on: January 01, 2021, 11:36:10 AM »
 :thumbsup:
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Online Roy from Pa

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Re: 2020---->What did ya do today?
« Reply #1221 on: January 01, 2021, 12:09:33 PM »
Prolly canned road kill.

Did ya rinse the asphalt off it first?

Offline Bvas

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Re: 2020---->What did ya do today?
« Reply #1222 on: January 01, 2021, 01:03:28 PM »
Nah. Just had to pick a little gravel out.
Some hunt to survive; some survive to hunt

Online mmattockx

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Re: 2020---->What did ya do today?
« Reply #1223 on: January 01, 2021, 01:15:52 PM »
I like how it's adjustable.  Do you use a radiused fixture to clamp the lam in while boiling?

The adjustability is why I went to the trouble with it. There are so many possibilities of lam bow shapes with Perry reflex, recurves, R/D long bows, etc. that I wanted to be able to reconfigure everything without making a new form every time I wanted a different bow style. I also wanted multiple posts so I can define a specific radius to the limb bend instead of accepting whatever shape the limb wanted to form when bent over one or two posts.

This is more a proof of concept than anything. The posts will eventually have some sort of height adjustment built in so I don't have to keep brad nailing the shoulders in place. I figured I could live with this for a bow or two just to see if it works as I hope, then make a better set of posts once I have some experience with it. The posts are currently just 2x4 construction lumber that I cleaned up and radiused.

I just boiled the lams flat and then used the clamps and blocks to force them into the curve of the riser. I may think about a fixture for future work, that sounds like a good idea. The lams are ~0.155" where they are bending and it took a surprising amount of force to bend them into the riser.


Yeppers.  With a little garlic salt and some peppers and onions.

That sounds tasty. Do you have a recipe you can share?


Mark

Offline Mad Max

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Re: 2020---->What did ya do today?
« Reply #1224 on: January 01, 2021, 04:02:56 PM »
What I have heard about boiling or steaming is you have about 15 seconds to get it clamped, but I've never done it?
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Offline williwaw

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Re: 2020---->What did ya do today?
« Reply #1225 on: January 01, 2021, 04:40:53 PM »
What I have heard about boiling or steaming is you have about 15 seconds to get it clamped, but I've never done it?
steam has a lot of latent heat, maybe steam in place and tighten the clamp as you go.

Online mmattockx

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Re: 2020---->What did ya do today?
« Reply #1226 on: January 01, 2021, 07:43:55 PM »
What I have heard about boiling or steaming is you have about 15 seconds to get it clamped, but I've never done it?

Depends on what you are trying to do, but that is mostly correct. The heat comes out fast and the wood gets its strength back as quickly as it cools.


Mark

Offline Mad Max

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Re: 2020---->What did ya do today?
« Reply #1227 on: January 01, 2021, 07:57:19 PM »
Make the ramp and lam. longer and flat




Mine is a good 2" to long
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Online mmattockx

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Re: 2020---->What did ya do today?
« Reply #1228 on: January 01, 2021, 08:07:34 PM »
Make the ramp and lam. longer and flat



Hmmm, I can see that should reduce the forces involved and give a smoother bend. I will make up a block that clamps to the back of the riser and gives a flat ramp for the lam to ride up on and try forming it again, thanks.


Mark
« Last Edit: January 01, 2021, 08:19:24 PM by mmattockx »

Offline williwaw

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Re: 2020---->What did ya do today?
« Reply #1229 on: January 01, 2021, 09:14:31 PM »
it might also help if the two outside clamps bottom legs could hook in the same hole in the middle where the center clamp is

Offline Mad Max

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Re: 2020---->What did ya do today?
« Reply #1230 on: January 01, 2021, 09:40:37 PM »
it might also help if the two outside clamps bottom legs could hook in the same hole in the middle where the center clamp is

It does need to move over :thumbsup:
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Offline Mad Max

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Re: 2020---->What did ya do today?
« Reply #1231 on: January 02, 2021, 10:32:33 AM »
--------------------------------------------------------THE END------------------------------------------------------------------
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Offline Mad Max

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Re: 2020---->What did ya do today?
« Reply #1233 on: February 04, 2021, 07:46:00 AM »
Roy
Can you move this to 2021?
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Online Roy from Pa

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Re: 2020---->What did ya do today?
« Reply #1234 on: February 04, 2021, 08:00:41 AM »
Moved it Maxi

Done with 2020 what did ya do today.....

Post replies in 2021 now please.

Online Roy from Pa

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Re: 2020---->What did ya do today?
« Reply #1235 on: February 04, 2021, 11:58:31 AM »
Do not post in 2020 thread no more please.

This is 2021......

Put the last 3 posts in 2021 cause I removed them.

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