Author Topic: Solo 665 v/s 681  (Read 520 times)

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Offline Cut4fun .

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Solo 665 v/s 681
« on: November 03, 2014, 01:21:15 pm »
Neat videos out there by Dex.

Solo 665 not broken in then a new 681 swapped on and tested unbroken in too.

http://youtu.be/jg2Rh3FkSRg


http://youtu.be/BQxBA9iVdLI
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Offline aclarke

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Re: Solo 665 v/s 681
« Reply #1 on: November 03, 2014, 03:27:28 pm »
665 pulls strong!

Offline Cut4fun .

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Re: Solo 665 v/s 681
« Reply #2 on: November 03, 2014, 04:13:07 pm »
665 pulls strong!

Thats what I noticed. Would take big wood and long bar to tell the difference I would say.   That wood they look neck in neck.
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Offline mdavlee .

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Re: Solo 665 v/s 681
« Reply #3 on: November 03, 2014, 07:10:09 pm »
20" of wood the results will be different. In small wood not going to be much difference. I noticed that with the 11" cherry log.

Offline DexterDay

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Re: Solo 665 v/s 681
« Reply #4 on: November 04, 2014, 07:15:35 pm »
The times were as follows. I timed each video twice. To try and be accurate.

665-
Cut 1- 4.0 and 4.03
Cut 2- 3.7 and 3.75
Cut 3- 3.69 and 3.60
Cut 4- 3.60 and 3.65

681-
Cut 1- 3.0 and 2.9
Cut 2- 3.07 and 3.09
Cut 3- 2.94 and 2.96
Cut 4- 2.81 and 2.74

That saw in 65 cc form is a strong saw. With a 24" in a 20" Cant at the last GTG it pulled  solid 17-18 second times. There was saws much bigger (460, 660, etc) that were between 15-17 seconds).

The 681 picked up about a second over the 665. Which is about par for the increase in displacement.  16 cc was added (about 25% gain in cc).

The 665 only had about a half dozen tanks on it. Where the 681 only had a couple heat cycles and a few cuts (half a tank).

I was pleased with the results and my next test will be in a 20" Cant.
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Offline OsageOrange

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Re: Solo 665 v/s 681
« Reply #5 on: February 17, 2018, 12:55:10 pm »
Those Solos are very, very impressive saws! As the old adage goes, there's a lot to be said for German engineering. I love the looks of the Solo 665/675/681 series of saws, too.

 

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