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Old 09-16-2019, 08:48 AM
Martinahansson is offline
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3w 157 CS ts

Hi guys

I have this engine that does not run smoothe in idle. I had it running before i restored The plane and it ran great, My question is about The two ignition, now i have The mounted so that one is connected to The front spark plugs and one runs The rear spark plugs, is that right?? Thanks in advance
Martin

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Old 09-16-2019, 10:31 AM
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>>> mounted so that one is connected to The front spark plugs and one runs The rear spark plugs, is that right??<<<


Yes.
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Old 09-16-2019, 12:47 PM
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Thank you Bill!

Thats why it suddebly runs poorly. I appriciate it 👍

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Old 09-16-2019, 12:53 PM
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My buddy says that They should cross each ignition to a front and a rear on each side.

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Old 09-16-2019, 01:25 PM
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Quote:
Originally Posted by Martinahansson View Post
My buddy says that They should cross each ignition to a front and a rear on each side.

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doesn't matter, I have 210Ts one connected front sparks other rear. Runs perfectly.
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Old 09-16-2019, 02:11 PM
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Ok Thank you it could be something Else then. It ran fine before i repainted The model http://cloud.tapatalk.com/s/5d7fde32...0290273247.mp4

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Old 09-16-2019, 02:12 PM
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Video http://cloud.tapatalk.com/s/5d7fde47...0290273247.mp4

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Old 09-16-2019, 04:19 PM
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Originally Posted by Martinahansson View Post
My buddy says that They should cross each ignition to a front and a rear on each side.

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Makes no sense...... 1 ignition unit to 1 plug on each cylinder. Makes no sense that they "should" cross fire the plugs. Both units fire at the same time.
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Old 09-16-2019, 07:34 PM
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Original Poster:

I have a 3W 170 Twin Spark.
One Ignition: Front Plug On Left Cylinder, Rear Plug on Right Cylinder
2nd Ignition: Front Plug on Right Cylinder, Rear Plug on Left Cylinder
I think this might be what your friend meant by Cross Fire.

If one ignition fails, your engine keeps running.
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Old 09-17-2019, 10:03 AM
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I have a 3W 170 Twin Spark.

One Ignition: Front Plug On Left Cylinder, Rear Plug on Right Cylinder

2nd Ignition: Front Plug on Right Cylinder, Rear Plug on Left Cylinder

I think this might be what your friend meant by Cross Fire.



If one ignition fails, your engine keeps running.
Thank you. It works now!! 😎💪

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