HackSignal

This is a placeholder wiki for data on the HackSignal - HackPGH's "bat signal" equivalent out of common household parts.

Light Source: Carbon Arc!

We are totally making one of these PD controllers for arc lamps: http://chestofbooks.com/crafts/popular-mechanics/Amateur-Work-4/Principles-Of-Arc-Lamp-Construction.html

Other Arc Lamp Hacks: http://members.misty.com/don/carbarc.html

Parabolas!

• How to Make Big Paraboloids out of flat segments: http://freespace.virgin.net/ljmayes.mal/var/parabola.htm
• Another method of the above: http://ashokk_3.tripod.com/srinivasan.htm
• How to Make a Parabolic Mirror: http://www.ehow.com/how_4612737_parabolic-mirror.html
• Monster Reflector: http://www.candlepowerforums.com/vb/showthread.php?243779-50-inch-Reflector-quot-Monster-Light-quot

Light Design!

• The post that started the idea: http://benkrasnow.blogspot.com/2010/10/diy-searchlight-housing-for-1000w-xenon.html
• A 1914 paper on searchlight design: http://www.google.com/url?sa=t&source=web&cd=14&ved=0CDMQFjADOAo&url=http%3A%2F%2Fiopscience.iop.org%2F1475-4878%2F15%2F1%2F308%2Fpdf%2Ftov15i1p216.pdf&rct=j&q=design%20of%20large%20searchlight&ei=GfH_TP_fKMOC8ga4m-TvBw&usg=AFQjCNH8FQetgmoWmjr_Prv4bLkuUGUUyA&cad=rja
• CandlePower Forums: http://www.candlepowerforums.com/vb/forum.php
• SkyTracker Instructional Manual: http://lighting.ballantyne-omaha.com/DisplayFileObjects.aspx?i=317bb4c1-7f9c-4e15-9264-9021c6b271fa
• Arclight Discussions: http://www.candlepowerforums.com/vb/showthread.php?304040-Mega-Blaster-My-first-short-arc-mod-MegaRay-style
• Big Lights: http://www.candlepowerforums.com/vb/showthread.php?198582-The-BIG-Lights
• Fresnel Lens Solar Beam: http://www.youtube.com/watch?v=9RUF_g9nrTY&NR=1