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relay/timer
Moderator: -Scott-
relay/timer
anyone know of a relay/timer 12v that will upon losing input signal stay latched on for a few seconds then turn off, want to try something like this for my supercharger setup so i can keep boost on gear changes.
Craig
Craig
you will be able to get a commercial version from an electrical wholesaler who deals in industrial control stuff. Most of the common units are multy purpose and multi voltage - and will do what you want.....
or if you are good with a soldering iron, jaycar, dickheads, or altronics sell car interior light delay kits - you could use one of these, (modded for less delay).
Also - as Scott said, WTF are you doing ? more details, interesting.
or if you are good with a soldering iron, jaycar, dickheads, or altronics sell car interior light delay kits - you could use one of these, (modded for less delay).
Also - as Scott said, WTF are you doing ? more details, interesting.
You could probably buy a pre-packaged kit from Dick Smith or Jaycar, which will do precisely what you want. I'd guess $10 to $20.murcod wrote:If you're handy with a soldering iron and have a bit of electronics knowledge you could whip up a circuit based on a 555 timer chip.
Alternatively, can you disable the cut-out and rely on a BOV instead?
Good luck,
Scott
have thought of designing a 555 timer,NJ SWB wrote:You could probably buy a pre-packaged kit from Dick Smith or Jaycar, which will do precisely what you want. I'd guess $10 to $20.murcod wrote:If you're handy with a soldering iron and have a bit of electronics knowledge you could whip up a circuit based on a 555 timer chip.
Alternatively, can you disable the cut-out and rely on a BOV instead?
Good luck,
Scott
BOV will not achieve anything as stated before, i already run a compressor bypass valve, but that has no bearing on what i want the timer for.
Not suggesting you buy this one, but you could cannibalise one from a pick-a-part:
http://cgi.ebay.com.au/VW-INTERIOR-LIGH ... dZViewItem
The delay unit will be in there somewhere!
Alternatively the jaycar kit is $18.95. It includes a "fade-out" feature, which you wouldn't want. Not being familiar with the kit I couldn't say what bit you need to leave off, but it would be pretty easy I am sure.
Another option - a glow plug relay. I am not sure how long you want the clutch to stay on for, but glow plug relays usually run about 15 seconds I think... too much?
Or, just from a random web search: http://www.lazer.com.au/alarms.shtml and scroll down to the "universal timer". $22, already assembled it seems.
Good luck.
Jason
http://cgi.ebay.com.au/VW-INTERIOR-LIGH ... dZViewItem
The delay unit will be in there somewhere!
Alternatively the jaycar kit is $18.95. It includes a "fade-out" feature, which you wouldn't want. Not being familiar with the kit I couldn't say what bit you need to leave off, but it would be pretty easy I am sure.
Another option - a glow plug relay. I am not sure how long you want the clutch to stay on for, but glow plug relays usually run about 15 seconds I think... too much?
Or, just from a random web search: http://www.lazer.com.au/alarms.shtml and scroll down to the "universal timer". $22, already assembled it seems.
Good luck.
Jason
This is not legal advice.
We get that you don't want to use the BOV now, but we are still interested in more detail on the computer issue and your objectivecplux wrote:have thought of designing a 555 timer,
BOV will not achieve anything as stated before, i already run a compressor bypass valve, but that has no bearing on what i want the timer for.
Last edited by chimpboy on Sun Apr 09, 2006 8:44 pm, edited 1 time in total.
This is not legal advice.
pretty much what i'm after i think bit exxy thoughausoops wrote:http://www.aluminio.com/a4141.htm
Bit exxy alright, for that price i could build you a micro processor controlled unit with an rs232 interface, and i'd even throw in gps trackingcplux wrote:pretty much what i'm after i think bit exxy thoughausoops wrote:http://www.aluminio.com/a4141.htm
If the delay time is critical, don't go for stuff like the 555 or the one from the above link. They will drift with temp and age. Look for a crystal based unit (temp drift is only a few parts per million)
Why not just wire the clutch on permanent ?
Why not share???
Curious your asking others to "share" their knowledge and info but aren't willing to do the same????
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