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Lightspeed EI installation

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dcw(at)mnwing.org
Guest

Posted: Fri May 12, 2006 4:59 pm Post subject: Lightspeed EI installation

Fellow Listers:



I am into a major project installing a dual Lightspeed Ignition system in my

flying RV-4.  It will be using the direct crank sensor installation.  This

project is just about done and I am beginning to do some preliminary tests

are stated in the LSI manual.  I have run a magnetic across the sensors on

both systems on the direct crank sensor circuit board and the coils fire

fine across their terminals.



Here is my question.  I have carefully measured the calculated clearance

between the sensors on the circuit board and the small magnets which are

installed in the ring gear (I had LSI install them so I assume they are in

the correct position).   I have been trying to see if I can get the coils to

fire my temporarily positioning the starter ring gear and moving the engine

through TDC.  No luck in getting them to fire.  Now I don't know if this is

a valid test.  I assume I am moving the ring gear fast enough through the

sensor positions but it is hard to say.



For any of you that have installed the LSI system with the direct crank

sensor, did you have any issues like this?.  Or did you put it together and

it just ran??



Doug Weiler

N722DW, 290 hours

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alexpeterson(at)earthlink
Guest

Posted: Fri May 12, 2006 5:21 pm Post subject: Lightspeed EI installation

 	  Quote: 	
		   

 

SNIP
	


 	  Quote: 	
		   Here is my question.  I have carefully measured the 

 calculated clearance between the sensors on the circuit board 

 and the small magnets which are installed in the ring gear (I 

 had LSI install them so I assume they are in

 the correct position).   I have been trying to see if I can 

 get the coils to

 fire my temporarily positioning the starter ring gear and 

 moving the engine through TDC.  No luck in getting them to 

 fire.  Now I don't know if this is a valid test.  I assume I 

 am moving the ring gear fast enough through the sensor 

 positions but it is hard to say.

 

 For any of you that have installed the LSI system with the 

 direct crank sensor, did you have any issues like this?.  Or 

 did you put it together and it just ran??

 

 Doug Weiler

 N722DW, 290 hours


	




Doug, are you moving the ring gear back and forth?  The sensor needs to see

two magnets within .5 seconds in order to fire.



Alex Peterson

RV6-A N66AP 752 hours, with my own magnet issues with the Lightspeed

installation

Maple Grove, MN

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dan(at)rvproject.com
Guest

Posted: Fri May 12, 2006 5:33 pm Post subject: Lightspeed EI installation

You need to rotate the prop (or flywheel) somewhat quickly to get it to 

fire.  I suspect the issue you're seeing is that you're not moving it 

quickly enough.  My experience with my Plasma II was that if you don't 

rotate the prop/flywheel quickly enough during the phase test, you won't see 

the coils firing.



Otherwise, Klaus should be able to help you.  Give him a call on the 

phone...contact info at the bottom of this page: 

http://www.lightspeedengineering.com/



Where are you located?  If you're anywhere near SoCal I could probably give 

you a hand.



)_( Dan

RV-7 N714D (901 hours on a Plasma II)

http://www.rvproject.com



---

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dcw(at)mnwing.org
Guest

Posted: Sun May 14, 2006 3:17 pm Post subject: Lightspeed EI installation

 	  Quote: 	
		   

 

 You need to rotate the prop (or flywheel) somewhat quickly to get it to

 fire.  I suspect the issue you're seeing is that you're not moving it

 quickly enough.  My experience with my Plasma II was that if you don't

 rotate the prop/flywheel quickly enough during the phase test, you won't see

 the coils firing.

 

 Otherwise, Klaus should be able to help you.  Give him a call on the

 phone...contact info at the bottom of this page:

 http://www.lightspeedengineering.com/

 

 Where are you located?  If you're anywhere near SoCal I could probably give

 you a hand.


	


Thanks for the offer Dan, except I am way out here in Minnesota.  I think

you are right and affirmed by Alex that rotating the ring gear by hand won't

do it.  I'll proceed and check everything as instructed and hopefully it

will fire up when finished.



Thanks



Doug

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mstewart(at)iss.net
Guest

Posted: Mon May 15, 2006 3:36 am Post subject: Lightspeed EI installation

Doug.



Recommend you read this thread for gapping the direct crank pickup .



http://www.vansairforce.com/community/showthread.php?t7688



Best,



Mike



Fellow Listers:



I am into a major project installing a dual Lightspeed Ignition system

in my

flying RV-4.  It will be using the direct crank sensor installation.

This

project is just about done and I am beginning to do some preliminary

tests

are stated in the LSI manual.  I have run a magnetic across the sensors

on

both systems on the direct crank sensor circuit board and the coils fire

fine across their terminals.



Here is my question.  I have carefully measured the calculated clearance

between the sensors on the circuit board and the small magnets which are

installed in the ring gear (I had LSI install them so I assume they are

in

the correct position).   I have been trying to see if I can get the

coils to

fire my temporarily positioning the starter ring gear and moving the

engine

through TDC.  No luck in getting them to fire.  Now I don't know if this

is

a valid test.  I assume I am moving the ring gear fast enough through

the

sensor positions but it is hard to say.



For any of you that have installed the LSI system with the direct crank

sensor, did you have any issues like this?.  Or did you put it together

and

it just ran??



Doug Weiler

N722DW, 290 hours

- The Matronics RV-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV-List

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