Brief:
The G-Wiz Deluxe is a flight computer for model & HP rocketry which offers great flexibility and ease of use. The unit combines both an accelerometer and barometric sensor to allow a flier to light clusters, perform staging, deploy a recovery device at apogee, and a secondary recovery device at 400'. Interestingly, the accelerometer is used for apogee detection so if you're not using the 400' deploy option, no vent holes are required!

The unit operates on a 9v battery and makes provisions for the easy addition of a 2nd battery when high current ignitors like Firestars or Igniterman products are used to light motors. Staging is performed when the unit senses motor burn-out. I don't see anything in the literature that indicates you can vary the timing of this feature. Cluster ignition happens upon detection AND confirmation of launch state. This happens about .5 seconds after the 1st movement of the rocket. I see this as a good safety feature because if the main motor doesn't light, neither do the outboards. Apogee and secondary charges are accelerometer and barometer based - my 1st flight using this option was perfect. Apogee is flashed on a main status led and flight status and continuity is similarly flashed on each pyro channels own status led. You get your altitude reading when you disassemble the altimeter bay after flight (unless you can figure out how to build in a see-through "hatch" in the side of your rocket:)

Construction Rating: 5 out of 5

Flight:
Had my 1st attempt at dual deployment go great with the G-Wiz Deluxe unit. I used an AT IQSY Tomahawk (1.9" dia) with the bay built into the coupler. Tight fit but workable. The motor was an Econojet F20-4 so obviously I used the motor as back-up. From the video, it appeared the apogee charge went off right after the motor ejection charge which was right at apogee. The secondary charge went at 400' as advertised. The status led happily blinked out 1,024' - right between the AT estimate that comes with the kit (on the high side) and Wrasp, which calculated 950'. This stuff is GREAT for those of us who have small fields to launch from and is tons of fun, albeit somewhat more time consuming. But hey, that's what we LIKE to do anyway! Thanks to Doug Pratt who unhesitatingly replaced my 1st unit which had a problem and provided good advice on how to set it all up.

Flight Rating: 5 out of 5

Summary:
I feel the folks at G-Wiz Partners did a great job with this unit (which costs $135). Another, less expensive version is the standard G-Wiz which does everything except main deployment at 400'. For a fair price you get 2 tools for what many "altimeter only" units sell for. What's not to like?

Overall Rating: 5 out of 5