Author Topic: Whats on your bench today  (Read 19292 times)

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Offline chy_farm

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Re: Whats on your bench today
« Reply #640 on: June 08, 2017, 10:13:29 am »
Handle made from copper  or just painted to look like it?
Thank you Kevin for showing an interest on her! yes it's made from a copper pipe. Glad if you enjoy pics below.

(McCulloch) PM6,PM320,SP40,PM484,10-10A,PM610,35A,47,300,450,PM800,1-70,1-80,740,740(mod),795,SP125C
(Echo) CS-302,CS-502EVL,CS-60S,CS-601S VL,CS-803EVL,CS-803EVL(mod),CS-651T
(Homelite) DM 50,Super Mini S,Super XL-9225,Super 1050
(Partner) 1614/Mini P,R417T,S55,R14T,R12,R12,K12S,
(Stihl) MS-180C,08S,070AV,084AV
(Shindaiwa) Pecker A110,E305AV
(Dolmar) 123,PS 7900
(Jonsereds) 49SP,455
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(Tanaka) TCS-33EDTP
(Makita) EK-900
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Offline 3000 FPS

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Re: Whats on your bench today
« Reply #641 on: June 08, 2017, 11:32:55 am »
The copper handle is a nice match with the copper cover.   
PP 505, 475, 445.
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Offline Cut4fun .

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Re: Whats on your bench today
« Reply #642 on: June 08, 2017, 12:37:53 pm »
Wow  :o  well done.   8)
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Offline chy_farm

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Re: Whats on your bench today
« Reply #643 on: June 08, 2017, 07:24:23 pm »
The copper handle is a nice match with the copper cover.
Thank you 3000 FPS, I post some pics below showing the way I made it.

Wow  :o  well done.   8)
Thank you for comment.

Chy

(McCulloch) PM6,PM320,SP40,PM484,10-10A,PM610,35A,47,300,450,PM800,1-70,1-80,740,740(mod),795,SP125C
(Echo) CS-302,CS-502EVL,CS-60S,CS-601S VL,CS-803EVL,CS-803EVL(mod),CS-651T
(Homelite) DM 50,Super Mini S,Super XL-9225,Super 1050
(Partner) 1614/Mini P,R417T,S55,R14T,R12,R12,K12S,
(Stihl) MS-180C,08S,070AV,084AV
(Shindaiwa) Pecker A110,E305AV
(Dolmar) 123,PS 7900
(Jonsereds) 49SP,455
(Husqvarna) 550XP
(Tanaka) TCS-33EDTP
(Makita) EK-900
(Alpina) A40
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Offline 3000 FPS

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Re: Whats on your bench today
« Reply #644 on: June 08, 2017, 11:52:53 pm »
That looks like it took some time to accomplish.
PP 505, 475, 445.
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Offline Cut4fun .

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Re: Whats on your bench today
« Reply #645 on: June 09, 2017, 09:27:36 am »
Wow  :o didnt even catch that was homemade too. I thought it had just been painted copper.  8) 8)

You sir are the professor of the class IMHO



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Offline chy_farm

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Re: Whats on your bench today
« Reply #646 on: June 09, 2017, 06:25:09 pm »
That looks like it took some time to accomplish.
Thanks 3000FPS, yes I started this project nearly four years ago. But I took some intervals of repose that sum up nearly two years.

Wow  :o didnt even catch that was homemade too. I thought it had just been painted copper.  8) 8)
You sir are the professor of the class IMHO
That's a good honor to me, many thanks Kevin!

Chy

(McCulloch) PM6,PM320,SP40,PM484,10-10A,PM610,35A,47,300,450,PM800,1-70,1-80,740,740(mod),795,SP125C
(Echo) CS-302,CS-502EVL,CS-60S,CS-601S VL,CS-803EVL,CS-803EVL(mod),CS-651T
(Homelite) DM 50,Super Mini S,Super XL-9225,Super 1050
(Partner) 1614/Mini P,R417T,S55,R14T,R12,R12,K12S,
(Stihl) MS-180C,08S,070AV,084AV
(Shindaiwa) Pecker A110,E305AV
(Dolmar) 123,PS 7900
(Jonsereds) 49SP,455
(Husqvarna) 550XP
(Tanaka) TCS-33EDTP
(Makita) EK-900
(Alpina) A40
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Offline chy_farm

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Re: Whats on your bench today
« Reply #647 on: June 09, 2017, 06:49:20 pm »
I started a power pipe project for her.
First thing to do was knowing the exhaust port timing, from opening to closing. I put a handmade disk on to the flywheel, see a marking at the top which tells zero degrees when this port begins to open.

Turn the shaft to the right direction until it closes again, see the disk how it tells the angle.

It tell 160 degrees!

Now open the [Java Pipe] site, which provides an on-line software to calculate the design, to put several required factors in the blanks.
E.g. I put below factors;
Velocity of Rotation :  9600 rpm
Exhaust Port Angle : 160 degrees
Transfer Port Angle : 150 degrees (I did not measure this but it seems in most cases a tad smaller than ex-port angle.)
Exhaust Port Area : 620 square milimeters
Exhaust Gas Temperature : 653 degrees K ( equivalent to 380 degrees Celsius)

The last line, the Exhaust Gas Temperature is a tricky part of this designing to me. In the latest try for Echo Twin, I set 773 degrees K which is equivalent to 500 degrees Celsius, but perhaps it was too hot.

Anyways I got a couple of designs for her, see these below.
Chy

(McCulloch) PM6,PM320,SP40,PM484,10-10A,PM610,35A,47,300,450,PM800,1-70,1-80,740,740(mod),795,SP125C
(Echo) CS-302,CS-502EVL,CS-60S,CS-601S VL,CS-803EVL,CS-803EVL(mod),CS-651T
(Homelite) DM 50,Super Mini S,Super XL-9225,Super 1050
(Partner) 1614/Mini P,R417T,S55,R14T,R12,R12,K12S,
(Stihl) MS-180C,08S,070AV,084AV
(Shindaiwa) Pecker A110,E305AV
(Dolmar) 123,PS 7900
(Jonsereds) 49SP,455
(Husqvarna) 550XP
(Tanaka) TCS-33EDTP
(Makita) EK-900
(Alpina) A40
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Offline chy_farm

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Re: Whats on your bench today
« Reply #648 on: June 10, 2017, 05:50:36 pm »
Did some more on the bench.

(McCulloch) PM6,PM320,SP40,PM484,10-10A,PM610,35A,47,300,450,PM800,1-70,1-80,740,740(mod),795,SP125C
(Echo) CS-302,CS-502EVL,CS-60S,CS-601S VL,CS-803EVL,CS-803EVL(mod),CS-651T
(Homelite) DM 50,Super Mini S,Super XL-9225,Super 1050
(Partner) 1614/Mini P,R417T,S55,R14T,R12,R12,K12S,
(Stihl) MS-180C,08S,070AV,084AV
(Shindaiwa) Pecker A110,E305AV
(Dolmar) 123,PS 7900
(Jonsereds) 49SP,455
(Husqvarna) 550XP
(Tanaka) TCS-33EDTP
(Makita) EK-900
(Alpina) A40
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Offline 3000 FPS

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Re: Whats on your bench today
« Reply #649 on: June 10, 2017, 07:41:17 pm »
Pretty neat stuff there Chy.

I have a few questions. 
1)   The RPM's you chose is 10,000 rpm.   Is that based on what the saw will turn in the wood or with out a load with bar and chain on.   
2)   What gauge sheet metal are you using to build the pipe.   
3)   Are you gas welding the Pipe together.   
PP 505, 475, 445.

 

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