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> LED Taillights, Custom Made for the 914
Spoke
post Mar 23 2014, 02:14 PM
Post #321


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QUOTE(r_towle @ Mar 23 2014, 03:23 PM) *

Will I need to modify the turn signal housing?
I never heard your conclusions on that....


The goal is to not make any modifications to the housing. I have a solution now but not real happy with it.

You can see below that the inside uses 2 clips on the divider and secures the board well to the divider like the brake light.

Unlike the brake light, there is nothing but open space on the outside of the turnsignal light. So I've got a clip going to the indentation in the reflector for the side light but the clip is long and does not give good up and down stability.

I've made the rev 2 board a bit taller so it may fit more snugly top-bottom than the rev 1 high power LED board shown here and maybe this type of clip will be ok. I'll know better when I get the rev 2 boards in hand.

If anyone has ideas on how to secure the outside of the turnsignal boards I'm all ears.


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r_towle
post Mar 23 2014, 02:22 PM
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Describe the problem with pics....you might get some ideas.
For me, I cannot figure out what you are talking about yet (IMG:style_emoticons/default/smile.gif)
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Spoke
post Mar 23 2014, 06:04 PM
Post #323


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Here's more of a close-up of the clip.

The clip connects to the reflector and is about 1.5 inches to the PCB. OK support horizontal but allows quite a bit of movement up and down.


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db9146
post Mar 23 2014, 08:41 PM
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Would it be possible to use a couple of small "v"-shaped spring clips at the top and bottom of the boards to hold them in place vertically? If you lay the clips on their side like wedges, it seems that might do the trick and still not require permanent modification to the housing.
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7TPorsh
post Mar 24 2014, 12:05 PM
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how about some small rubber pads or bumpers on the top and bottom...weather seal?
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CptTripps
post Mar 24 2014, 12:17 PM
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What about a triangle with 2 small bends. Two holes would mount to the bucket, the other to the board.

Like this...


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JmuRiz
post Mar 24 2014, 02:13 PM
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Now you're talkin' I like that bracket idea.
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Spoke
post Mar 24 2014, 08:20 PM
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QUOTE(db9146 @ Mar 23 2014, 10:41 PM) *

Would it be possible to use a couple of small "v"-shaped spring clips at the top and bottom of the boards to hold them in place vertically? If you lay the clips on their side like wedges, it seems that might do the trick and still not require permanent modification to the housing.


Interesting idea. Something similar to this is used on recessed lighting rings. I didn't think about securing on the edges.

QUOTE(7TPorsh @ Mar 24 2014, 02:05 PM) *

how about some small rubber pads or bumpers on the top and bottom...weather seal?


A rubber dot with a slot to hold the board in it would work. Although I made the rev 2 boards with literally zero play on the top and bottom. Like db's above, I like the idea of edge securing.

QUOTE(CptTripps @ Mar 24 2014, 02:17 PM) *

What about a triangle with 2 small bends. Two holes would mount to the bucket, the other to the board.


This looks like it would work. One thing though, what about the side lens that is missing on my housing? Are those glued in or just sitting in the slot?
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CptTripps
post Mar 25 2014, 07:23 AM
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QUOTE(Spoke @ Mar 24 2014, 10:20 PM) *


QUOTE(CptTripps @ Mar 24 2014, 02:17 PM) *

What about a triangle with 2 small bends. Two holes would mount to the bucket, the other to the board.


This looks like it would work. One thing though, what about the side lens that is missing on my housing? Are those glued in or just sitting in the slot?


I'll look tonight, but you could likely make a shield with a small piece of plastic. Another thought would be to have a few LEDs on the triangle piece, so the side of the light would illuminate as well. Really there's no down-side to having extra lighting on the side to show that you're turning. (IMG:style_emoticons/default/biggrin.gif)
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Spoke
post Mar 25 2014, 09:06 PM
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Waiting for the brake PCBs to be delivered..Tomorrow (IMG:style_emoticons/default/smile.gif)

Just can't stop drawing pictures. Wonder where this one goes?

The white LEDs will blank out when the Amber LEDs flash.

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CptTripps
post Mar 26 2014, 06:58 AM
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Now you're talking....

Love it!

You could also do a version with the top half in yellow and the bottom in white. Like the "Euro" lenses...without the need for the lens.
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Cairo94507
post Mar 26 2014, 06:59 AM
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Excellent! I can see that my car will be all LED equipped when the time comes. On the fronts will you do a version for the euro lens too?
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JmuRiz
post Mar 26 2014, 08:02 AM
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Re: Front turns...
Like the others said...if you make a euro style with the bottom running light white and on when parking lights and headlights are on...and the flasher above, it would be perfect!

I'm excited about the front/back LED lights, they are the way to go to be seen.

I still need to order some 356 ones, then I'll order your 914 ones when I put my car back together!
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Chris H.
post Mar 26 2014, 08:33 AM
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QUOTE(Spoke @ Mar 25 2014, 10:06 PM) *

Waiting for the brake PCBs to be delivered..Tomorrow (IMG:style_emoticons/default/smile.gif)

Just can't stop drawing pictures. Wonder where this one goes?

The white LEDs will blank out when the Amber LEDs flash.

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Always on running lights in white around the outer part?
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Spoke
post Mar 26 2014, 02:50 PM
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QUOTE(Chris H. @ Mar 26 2014, 10:33 AM) *

Always on running lights in white around the outer part?


That's what I would like to do with the lights. This would give the 914 a cool oval running light signature.

When turn signals are on, these would blank out until the turnsignals go off.

Boards are in. Let the fun begin. (IMG:style_emoticons/default/beerchug.gif)



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porsche_dreamer
post Mar 26 2014, 03:32 PM
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Cant wait to see these! WANT!
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timothy_nd28
post Mar 26 2014, 03:46 PM
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Very impressive (IMG:style_emoticons/default/aktion035.gif) Which board factory did you use?
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Spoke
post Mar 26 2014, 04:03 PM
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QUOTE(timothy_nd28 @ Mar 26 2014, 05:46 PM) *

Very impressive (IMG:style_emoticons/default/aktion035.gif) Which board factory did you use?


Thanks.

We use Sierra Circuits quite a bit. Quick turns and longer at reasonable prices.

Had a chance to build one light tonight. I did an amber turnsignal to see how it looks. No pics right now.

Power dissipation is exactly what I expected. Temp rise is very manageable at about 25C.
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ThePaintedMan
post Mar 26 2014, 04:25 PM
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The 911 guys are going to start hating us when these puppies start rolling out. Very thankful to have someone as talented as you Spoke (and Tim, Rick, Scotty, Joe, Mark, Chris, etc... the list goes on and on) - this stuff boggles my mind.
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timothy_nd28
post Mar 26 2014, 06:06 PM
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QUOTE(Spoke @ Mar 26 2014, 03:03 PM) *

QUOTE(timothy_nd28 @ Mar 26 2014, 05:46 PM) *

Very impressive (IMG:style_emoticons/default/aktion035.gif) Which board factory did you use?


Thanks.

We use Sierra Circuits quite a bit. Quick turns and longer at reasonable prices.

Had a chance to build one light tonight. I did an amber turnsignal to see how it looks. No pics right now.

Power dissipation is exactly what I expected. Temp rise is very manageable at about 25C.


Thanks, I might give Sierra Circuits a try. I've been messing around with a prototype tachometer board that will replace the old tired control.
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