Vulcan Spring has the sv10g160 constant force spring for $10, but there is a $100 minimum (plus shipping). Do several people interested in building this ticker want to go in together to buy some springs?
Roger
Orange Clockwork Ticker
Re: Orange Clockwork Ticker
Id be willling to do it from here Roger, but the cost of shipping from USA to here, then back to the USA is prohibitive, makes it a
better deal if someone in the US can do it.
Art
better deal if someone in the US can do it.
Art
Re: Orange Clockwork Ticker
Just for grins I called them. High production volumes only, no interest in low volume sales, nor do they have any dealers who can supply a spring or two. They suggest McMaster Carr, which I understand will now ship to Canada.
Kirk
Kirk
Re: Orange Clockwork Ticker
Kinda figured, its likely why the tang on my spring is different. I bought a bag of them awhile back, just a mixture
of various strengths..
Art
of various strengths..
Art
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epicycloid
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Re: Orange Clockwork Ticker
I know this is more than a year since the last post, but I noticed the same problem with Vulcan not wanting to sell to end users (now they have a $200 minimum).
I wonder if anyone sorted out the spring specs to pick a replacement from McMaster-Carr?
The specs for the Vulcan spring are:
Part Number SV10G160
Torque ? 10% 4.17 in-lbs.
Thickness (in) 0.010"
Width (in) 0.500"
Length 160"
Turns 20
I.D. +-10% 1.01"
Storage Drum
1.17"
Output Drum 2.02"
Center to Center 2.25"
It doesn't look like McMaster-Carr has anything as long (160"), but a handful in the 30" - 60" +/- lengths, in the 4 +/- pound torque range.
What matters most in this type of design?
--Jon
I wonder if anyone sorted out the spring specs to pick a replacement from McMaster-Carr?
The specs for the Vulcan spring are:
Part Number SV10G160
Torque ? 10% 4.17 in-lbs.
Thickness (in) 0.010"
Width (in) 0.500"
Length 160"
Turns 20
I.D. +-10% 1.01"
Storage Drum
1.17"
Output Drum 2.02"
Center to Center 2.25"
It doesn't look like McMaster-Carr has anything as long (160"), but a handful in the 30" - 60" +/- lengths, in the 4 +/- pound torque range.
What matters most in this type of design?
--Jon
Re: Orange Clockwork Ticker
Hi John:
Sorry to hear that. They had a $100 minimum way back when I bought an assortment.
The only important thing in the design is that it be a semi constant torque so that the
end speed of it is omewhat stable enough to allow the trigger to work at the speed it
develops during rotation. Its not a narrow range so I suspect almost any strong enough
spring would do. Im not sure who else sells such things though..
Ill have to research that for future.
Art
\
Sorry to hear that. They had a $100 minimum way back when I bought an assortment.
The only important thing in the design is that it be a semi constant torque so that the
end speed of it is omewhat stable enough to allow the trigger to work at the speed it
develops during rotation. Its not a narrow range so I suspect almost any strong enough
spring would do. Im not sure who else sells such things though..
Ill have to research that for future.
Art
\