REFLECTOR: HID lamp cable length

[Brian Michalk]

When I was at TxDOT, we designed a system for automated crack counting 
on pavement.  The lighting system was very simple.  A row of LED's, two 
mirrors and a cylindrical lens.

Scott Baker just replied that the canard leading edge is 1/4".  That 
just doesn't seem right.  A .5 inch diameter rod fits the profile of our 
canard?  I would have thought about 1 to 1.5 inch diameter.

I'll see if I can cobble up a drawing of my idea.

Andy Millin wrote:
> Brian,
>
> You are working beyond the limits of my research.  Sorry man.
>
> I agree that the D series shouldn't have the cable length limitation.
>
> With the igniter and reflector the unit will be fairly deep.  If you have
> the old style canard (foam only outboard), and I think you do, it might
> work.  If the spar ran the full length, I don't think it would work.
>
> Where will you find the reflector to fit the profile?
>
> Andy
>
> -----Original Message-----
> From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
> Behalf Of Brian Michalk
> Sent: Sunday, July 20, 2008 11:08 AM
> To: Velocity Aircraft Owners and Builders list
> Subject: REFLECTOR: HID lamp cable length
>
>
> Andy,
>
> In your browsing of the net, did you find any limitations on cable length?
>
> If I were to figure out how to make this work as a canard taxi light, it 
> would be nice to mount the ballast in the fuselage.
>
> For the more expensive D series, where the igniter is mounted to the 
> lamp, what else is it good for?  Is that where the current regulation 
> happens?  It seems that RF noise from current regulation would not be a 
> significant problem.  I can see that ignition phase would be very noisy.
>
> I need to find a site of someone who has dissected a lamp and discusses 
> theory of operation.
>
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