Powerspark ignition.....

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shaunroche
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Powerspark ignition.....

#1 Post by shaunroche »

I'm just fitting this powerspark ignition and am a little confused about how to time it as I'm not sure which HT leads go in which port.

Looking at the image below I have set it up as suggested in the Haynes manual with the rotor arm pointing towards tab.

If the rotor rotates clockwise and firing order is 1 3 4 2 , then on the drg, C must be #1, 2D, 3A, & 4B?

Image

Image

Image

Image

If it goes anti clockwise then the order would be CBAD?

Any thoughts please?
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shaunroche
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Re: Powerspark ignition.....

#2 Post by shaunroche »

Additionally, do I need this wire or can I disconnect it?

Image
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Mahesh
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Re: Powerspark ignition.....

#3 Post by Mahesh »

I recently asked about the braid (thin wire),

Migwelder advised ( or was it TonyG) that it makes sure that the base plate is firmly earthed, and to check on a multimeter if there is continuous operation and not cracked internally.
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Mad Mart
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Re: Powerspark ignition.....

#4 Post by Mad Mart »

I've just been playing with my Powerspark.

A = 4
B = 3
C = 1
D = 2

Rotor arm turns anti-clockwise.

The lead is indeed to earth the baseplate but I'm not sure it's needed here.
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Mahesh
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Re: Powerspark ignition.....

#5 Post by Mahesh »

Sorry my bad, the lower half of the base plate is firmly earthed, its the upper half which it grounds, as this is the part which vacuum advances and is on a rotating greased centre.

Possibly wrong, but I thought the pickup grounds on the top half of the base plate.
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Re: Powerspark ignition.....

#6 Post by shaunroche »

CBAD?

Are you absolutely sure it's not CDAB Mart?
Last edited by shaunroche on Sun Jun 05, 2016 12:04 am, edited 2 times in total.
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tony g
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Re: Powerspark ignition.....

#7 Post by tony g »

C B A D is correct. Viewing the rotor from above it turns anti clock, but it get confusing when looking "into" the cap as now that view is clockwise. Tab is No1 and then Clockwise from there (as viewed into the cap) Next cylinder is 3 then 4 then 2.

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Re: Powerspark ignition.....

#8 Post by Mad Mart »

As Tony said, C is no. 1. So looking into the cap you have to go in a clockwise direction.
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Re: Powerspark ignition.....

#9 Post by shaunroche »

Ha, I had it right the first time just didn't know which way it rotated.

C1
B3
A4
D2

So with the powerspark I can get rid of the thin wire then?

As ever, thanks for all your advice fellas! :)
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Re: Powerspark ignition.....

#10 Post by Mahesh »

I think you should keep it, to my knowledge your power spark module has a red 12v lead, a black lead which is the coil trigger, but is still grounded (-12v) to the base plate.

Hopefully someone will confirm or put me right.
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Re: Powerspark ignition.....

#11 Post by tony g »

I would use the thin wire, it can't do any harm.

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Re: Powerspark ignition.....

#12 Post by shaunroche »

Mahesh wrote:I think you should keep it, to my knowledge your power spark module has a red 12v lead, a black lead which is the coil trigger, but is still grounded (-12v) to the base plate.

Hopefully someone will confirm or put me right.
OK - so what is the little wire connected to then...one of the two screws holding the electronic block to the dizzy?

And does it need the bare wire re-covering?
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Re: Powerspark ignition.....

#13 Post by Mahesh »

When I took mine apart, it was secured by one of the two screws holding the lower part of the base plate to the dizzy body, and the other end
on the top part of the base plate.

It is braided cable, so roughly around 2.5 times the surface coverage of similar stranded cable, but more flexible as it is a round braid as opposed
to a flat braid.
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shaunroche
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Re: Powerspark ignition.....

#14 Post by shaunroche »

Mahesh wrote:When I took mine apart, it was secured by one of the two screws holding the lower part of the base plate to the dizzy body, and the other end
on the top part of the base plate.
So it's fastened to the bit the red block sits on in the top picture?
Mahesh wrote:It is braided cable, so roughly around 2.5 times the surface coverage of similar stranded cable, but more flexible as it is a round braid as opposed
to a flat braid.
Sorry, I'm a Mechanical Engineer, that statement means nothing to me :) does it need covering or not?
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Jon Tilson
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Re: Powerspark ignition.....

#15 Post by Jon Tilson »

No its an earth wire and needs no insulation other than for mechanical protection, which is why its sleeved in some dissies.
It would have gone to the condensor base plate. You need it or your module may not earth out correctly.

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