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Heat treating by radiation

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simk:
Hey Bowyers

Thought there might be too little heat treating threads around here  8) therefore starting another one:

Heat treating mostly seems to be done with the heat gun. Me myself having bought my third heat gun now in two years...got a little annoying. Also there is always the hot-air-flow-issue endangering the back, not talking about the lame-shoulder-effect after a heat treating session as badger does it and i also did  ::)

bought a cheap quartz radiator for 20 bucks last week (1500w 1200w).

I did heat treat a whole bow which worked really really well and comfortable. The radiation is heating only the wood in direct sight - the back in the shade remains completely cool until the heat having creeped through the whole bow. The result was a very evenly heat treating as you see on the pic. Today I did a heat correction on a little elb - pic 2.

I must say heat treating by radiation works very very well. I will still use the heat gun but only for smaller spots.

Cheers 

Edit: Temp is regulated with distance - for the heat correction on the elb I didn't need too much heat. For the real heat treating the distance was about 2-3" and the heat treating took about 10-15 min until the back of the bow was untouchable...

Russ:
Hmmmm, I was going to buy a heat gun today but now im rethinking! ahhhhhhhh! the indecision!  ::) ;D  What made you think about doing this. Like what made you think about using a radiator?

simk:
deerhunter: i thought about this already long time...but to be honest, it was also b2w who reminded again me when we talked about it this summer  ;D

Bayou Ben:

--- Quote from: simk on September 25, 2019, 02:09:52 pm ---Thought there might be too little heat treating threads here  8) therefore starting another one:

--- End quote ---
(lol)

I just watched the documentary and series on Chernobyl so I was a little nervous seeing your title. 

Do you have to move the bow a few times?  How long did it take vs a heat gun?

simk:
Ben: Don't need to move the limb - after 10 minutes the wood starts to get brown, then it starts vaping, then the back gets really hot and you are done. don't have much expierience yet. still have to experiment with the 2 variables (time and distance). have fun!

when I used the heat gun it took me about 15 min for a whole limb - i did it lmoving up and down very close with my 2000w heat gun.

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