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Discussion Starter · #1 ·
I designed a new Lighthead around my existing platform to convert it from 6xXRE to the 7up XPG/E light engine! ;)

Therefore i need a O-ring seal with 39mm diameter and 1mm cross diameter :eek:
Bad thing, i can't find anywhere such an O-ring:madman:

Any ideas or can someone supply me such an o-ring? :confused:

Thanks
 

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Discussion Starter · #3 ·
yes 1,5mm would be easy, but then the o-ring would be forced into the beam, because i cannot increase the housings inner diameter....:madman:
 

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Maybe get 2 smaller ones and splice them into the size you need. Superglue bonds the black rubber o-ring material quite well. Handling the 1mm size while gluing might be a bit tough. I would try making a guide to hold the ends while gluing out of a piece of polyethylene (superglue doesn't stick to that).
 

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Discussion Starter · #6 ·
tobymack said:
I'm not sure 0.5mm interference with the beam is going to be that noticeable ;)

I could be wrong though.....
you are right but....:cool:

-The Optik and LED engine has 39mm outher diameter!
-The housing has 40.4mm inner diameter which can't be raised!

- so with a 1mm O-ring i get 38,4mm inner diameter of the beam
- with an 1,5mm O-ring i get 37,4mm inner diameter of the beam - it is not getting better :madman:
 

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Discussion Starter · #8 ·
tobymack said:
can you go to 1.5mm , http://www.polymax.co.uk sell them........

alternatively you could perhaps make one from 1mm cord?

Toby
Thanks for the link - i contacted them and they also have a 39x1mm O-ring!:thumbsup:

Had to take 38pcs, so if somebody needs one.... :eekster:
 

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If you haven't purchased already... maybe a custom-cut o-ring from silicone sheet? Ebay has 'em, as simple sheets and as "silicone baking sheets". I just got one that's fractionally over 1mm, smooth both sides, and go-fast red colour.
 

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Discussion Starter · #10 ·
I'm afraid it's too late!
I have now 38 o-rings in 39x1mm (was the minimum order quantity) :eekster:
 

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Dirt Deviant
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Whitedog. I have a great solution to the min order issue.
Just make and sell some of those housings to use up the extra orings that you had to buy......= )
It's a good design and I'm sure you could sell a few.
 
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