2 headed M*g 3 x MCE and 1 x P60 dropin FINISHED :-)

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The Dane

The Dane

Enlightened
Joined
Jan 14, 2006
Messages
347
Location
Denmark
This post got my brain farting like it has been on baked beans for a week :toilet:
showpost.php

http://www.candlepowerforums.com/vb/showpost.php?p=3232199&postcount=6

(Why cant i get this to show as a pic :banghead: )

So today i took a brand new 6 D to the lathe and began working.
A carrier for 4 protected LiIon C cells has been made and i plan to mill a slot for a wire carrying the positive to the opposite end. A ring in one end will carry negative and feed the other end via the body.
The body has been shortened 50mm~2" and recut for another switch and head.
No problems with the mecanical part just fun work.

But what options for lights?

The "max" for the C cells are in the ballpark of 6,5-7A (The circuit kicks in at @8A) and then they deliver @3,5V a piece, so 14V 7A = 98W.

I plan a softstart for the incan (and a regulator for the LED?)

So help me out here fellas, what goes in either end of this ??? (Incert good name here!) light?

DSCN2725.jpg

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Re: 2 headed M*g in progress need input please

Oh Snap, that's hilarious. :crackup:

It's brilliant when you consider the fact it'll be led on end incan on the other.

The power plant is a bit oddball I think. One less cell would of been perfect for a Mag85 incan end. 14v, that's oddball, can't think off the top of my head what hotwire bulb you'd use. Maybe use the regulated incan driver ?

P7 is coming to mind for the led end, but then, I dont' know leds very well.



An amusing but really easy way to wire this up, with two stock switches, and the batteries connecting between the 2 positive points on the switches, you could maybe of run 2 Mag11 in series running at the same time :crackup:That's would be funny.
 
Re: 2 headed M*g in progress need input please

You can call it "The Axe" :crackup:. How about a white led on one end, and a red on the other.
 
Re: 2 headed M*g in progress need input please

wquiles said:
Very interesting project, and nice work on the head threads by the way 😉

What was the thread for the head?

Will
Click to expand...
???
37,4mm~1.47" x 20TPI

I just measured the other end and copied it for diameter and other dimensions 😱

Sorry no rocket science :sssh:
 
Re: 2 headed M*g in progress need input please

The Dane said:
???
37,4mm~1.47" x 20TPI

I just measured the other end and copied it for diameter and other dimensions 😱

Sorry no rocket science :sssh:
Click to expand...

I expected it to be 20 TPI, but I was not 100% sure. I do a "lot" of the cut/re-thread on the tailcap side (those are also 20 TPI), but I have never done a re-thread hob on the other side. Thanks 😉
 
Re: 2 headed M*g in progress need input please

You should have an SST-90 at one end. Run it at something ridiculous, like 8amps on high (perhaps use 3 drivers in parallel?), 3 mode so it will actually be usable. On the incan side, try a 35-50w Osram.
 
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Re: 2 headed M*g in progress need input please

I was thinking along the lines of a power end and a feeble end, ie
5xMCE, 12V 75W bulb or something other and a XPG.

I have a M*g with 3xMCE so a SSR-90 will be exactly the same just different!

I would prefer to go bulb to minimize cost (5xMCE=@80-100 and 3xSSR90=@150 and i'm broke!) but sugestions are appresiated and 2'hand LED's i can afford would be great:twothumbs

Maybe HID but i dont know where to get a kit with a round ballast!
 
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Re: 2 headed M*g in progress need input please

For HID, look up the WA Solarc -- the old ones were 10W, the new ones (NGX) I think are 14W, and more efficient besides. You'll need to bore the top of the Mag (well, one of the tops 😉) to fit the ballast in; it's quite round, but just a hair bigger than the Mag ID.
 
Re: 2 headed M*g in progress need input please

The Dane said:
This post got my brain farting like it has been on baked beans for a week :toilet:
showpost.php

(Why cant i get this to show as a pic :banghead: )
Click to expand...
You have to copy the Imageadress, and insert it between the img-tag
doublep.jpg


And sorry for infecting you by a simple photo 😀 Now i have to work on a new picture, somthing like a 4 headed, or a bended 6D like a "U", or.... or... 😛
 
Re: 2 headed M*g in progress need input please

A little thought later i have decided on 3 x MCE in one end. More power in the P7 but the 3 day old fisheye dont fit in the DX reflector.
What about the low power end, any thoughts?

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Re: 2 headed M*g in progress 3 x MCE and 1 x P60 dropin

Did some thoughts and work on the battery compartment today.

One end ( high power) will deliver positive and negative to the light.
DSCN2796.jpg


A wire vill run from the battery positive to the positive in the other end. To avoid the negative ring the wire is feed through the side.
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The finished result
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The negative end with a lot of springs 😀
Internally a spring to make negative contact and maintain compression on the cells.
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To make the extern contact another spring to keep pressure on the contact points in the other end.
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The positive was a little more complex to fabricate.
The brass thingy was made with a concave rescess to make it guide and "lock" onto the M*g contact's positive spring when the light is assembeled.
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Next wil be some sort of adaptor so the low power end will accept P60 dropin's. And then fishing assembling, hopefully tomorrow.
 
Re: 2 headed M*g in progress 3 x MCE and 1 x P60 dropin

Not really relevant to this build, but you mentioned a P60 drop-in, and I thought ''hey, a P60 would fit in a custom D tailcap, for greater stealth." Not sure about a stealthy switching arrangement, though. Maybe a twisty-tailcap? Use a wire to connect the tailspring to the - contact of the switch, and thus to the body, then the P60 in the tailcap only gets - when it's tightened. (Naturally it gets + from another wire.) At least until the type-II anodize wears out and the tailcap threads start conducting...
 
Re: 2 headed M*g in progress 3 x MCE and 1 x P60 dropin

So the P60 mod is complete.
Funny thing the P60 spring fits nicely on the outside of the M*g bulb post.
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Sorry for the ugly red but it was all i had in 2" diameter on a sunday midnight 😗 The P60 is held in place by the front lens and thereby keeps proper contact.
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The beast lives
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Now i have come up with a project even sillier than this and the 12 D BigM*g :crackup:
 
Re: 2 headed M*g in progress 3 x MCE and 1 x P60 dropin

That's completely nuts.... I love it!
 
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