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igniter placement

Posted: Fri Oct 06, 2006 10:10 pm
by brumby
Where is the best place to place the sparking part of an igniter? Towards the end the the chamber, in the middle or towards the front.

Thanks

Posted: Fri Oct 06, 2006 10:15 pm
by MrCrowley
if your only making 1 spark put it in the middle

Posted: Fri Oct 06, 2006 10:45 pm
by brumby
What about duel sparks.... and would a bbq igniter be capable oof doing dual sparks?

Also.. I have a T pipe at the end of my chamber and a chamber fan in the T..

Posted: Sat Oct 07, 2006 5:45 pm
by boilingleadbath
Generaly, we suggest putting a single igntion point about 1/3rd of the way from the rear chamber wall [to the front of the chamber].
In reality, I suspect the ideal location is dependent apon projectile mass and chamber dimensions (among other variables)... but this will do.

As far as I know, there are no guidelines relating to the location of the gaps when using two sparks... and short of computational solutions, I don't know.
Just locate them at 1/4th and 3/4ths, I geuss. It may not be ideal, but the difference is likely to be small.