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SOHC.co.uk Forums
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CB500/550
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electronic tacho
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Topic: electronic tacho (Read 10935 times)
captaindonutbikes
SOHC Expert
Posts: 283
electronic tacho
«
on:
March 17, 2011, 02:35:11 PM »
as the 650 gear seems to be next to non existent and i have the patience of a small child full of adhd and too much sugar i shall be going the electronic route.
now if i run a Z1000 clock will i have any issues ?
or i might go hightech and get a vapour clock.
any recomendations ?
cheers peeps
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cb550k3 cafe
Rozabikes Tim
SOHC Master
Posts: 1457
Re: electronic tacho
«
Reply #1 on:
March 17, 2011, 06:38:16 PM »
Have you looked at acewell products - they do combineh tacho / speedo units. Very neat. Just Google acewell and their site comes as top listing.
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One day I'll have the time to restore it, not just talk and dream....
matthewmosse
SOHC Master
Posts: 2161
Re: electronic tacho
«
Reply #2 on:
March 17, 2011, 08:33:59 PM »
How badly do you need 650 tacko gear and which bits do you need? I think I may have a few bits of 650 top end stuff and odds and ends left over from a job lot.....
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Got a 500/4 with rust and a sidecar and loadsa bits. nice and original and been round the clock
captaindonutbikes
SOHC Expert
Posts: 283
Re: electronic tacho
«
Reply #3 on:
March 17, 2011, 09:16:33 PM »
if you have the gearing, thats all i need, but not in a desperate way
Pm me with a price my good man.
if you have a clock too that would be great
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cb550k3 cafe
matthewmosse
SOHC Master
Posts: 2161
Re: electronic tacho
«
Reply #4 on:
March 17, 2011, 10:02:10 PM »
Looking bleak, the tacho drive isn't home in a cylinder head like I thought. That leaves a slim chance of finding the things in a box in the other shed...... Will not be fast
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Got a 500/4 with rust and a sidecar and loadsa bits. nice and original and been round the clock
captaindonutbikes
SOHC Expert
Posts: 283
Re: electronic tacho
«
Reply #5 on:
March 18, 2011, 10:16:17 AM »
well have a look but the way it seems to be is that i will eventually go digital for the clocks and idiot lights, saves a whole load of weight!
if you find it let me know,
cheers
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cb550k3 cafe
florence
SOHC Master
Posts: 1362
Re: electronic tacho
«
Reply #6 on:
March 18, 2011, 10:40:04 AM »
Digital?, electronic?, surely this is the stuff of science fiction. I would have thought the size of the thermionic valves alone required to make a rev counter work by electronics would render the whole thing about the size of a garden shed and therefore highly impractical!
"A cheap and simple speed indicator can be fashioned using a clothes peg, a piece of card and a rubber band. Attach the peg/card to one of the control cables and set off. If the card is deflected by the wind to an angle of forty five degrees, this indicates a 'moderate speed'. Angles of sixty to ninety degrees indicate 'high speed' and 'dangerous speed' respectively." (extract from "Motorcycling for Gentlemen" 1911)
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captaindonutbikes
SOHC Expert
Posts: 283
Re: electronic tacho
«
Reply #7 on:
March 18, 2011, 10:52:49 AM »
genius florence, again the the 'tweed logic' counters any form of realistic technological development and counters it with good honest gentlemanly codes of what is the acceptable face of motorcycling
i doth my cap in shame but may on the other hand fit this for the period look:
http://cgi.ebay.co.uk/Electronic-rev-counter-tacho-KAWASAKI-Z1-Z1A-Z1B-Z-/230588576823?pt=UK_Motorcycle_Parts&hash=item35b0267437
or this the track
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=280632792048&ssPageName=STRK:MEWAX:IT
not sure this will wire in tho
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cb550k3 cafe
florence
SOHC Master
Posts: 1362
Re: electronic tacho
«
Reply #8 on:
March 18, 2011, 11:13:21 AM »
forgive me
, but may I also venture?
http://en.wikipedia.org/wiki/Nixie_tube
I like the digital one, it's very sci-fi
«
Last Edit: March 18, 2011, 11:21:43 AM by florence
»
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captaindonutbikes
SOHC Expert
Posts: 283
Re: electronic tacho
«
Reply #9 on:
March 18, 2011, 01:07:27 PM »
http://en.wikipedia.org/wiki/File:NixieFrequencyCounter.jpg
love the look of this but doubt it would add anything to front end stabilty
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cb550k3 cafe
Bryanj
Grogu
Posts: 12559
Re: electronic tacho
«
Reply #10 on:
March 18, 2011, 05:01:15 PM »
Problem with using a car digital is it won't read accurate as, assuming a 4 cyl car, the contacts open 4 times per crank rev whilst the bike ones open once per rev
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captaindonutbikes
SOHC Expert
Posts: 283
Re: electronic tacho
«
Reply #11 on:
March 18, 2011, 07:00:45 PM »
damn, thought it would be too good to be true, thanks Brian J.
back to the drawing board.
do you see any faults with using the Z1 electronic repro version ?
cheers
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cb550k3 cafe
Bryanj
Grogu
Posts: 12559
Re: electronic tacho
«
Reply #12 on:
March 19, 2011, 07:22:17 PM »
If its for a 900Z1 with two sets of points I cant see a problem, if with electronic ignition I got no idea mate!
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matthewmosse
SOHC Master
Posts: 2161
Re: electronic tacho
«
Reply #13 on:
March 19, 2011, 09:16:48 PM »
Some taco's take power pulses off the altinator and can be set up for your vehicle. Might this be suitable
Logged
Got a 500/4 with rust and a sidecar and loadsa bits. nice and original and been round the clock
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electronic tacho