Frequently Asked QuestionsQ: Can I use the M1435-EXP to start an aircraft engine? A: The M1435-EXP GPU is inadequate for piston and turbine engine starting and should be used for airframe systems power only.
Q: How does the M1435-EXP connect to my aircraft? A: The Model M1435-EXP Mini-GPU includes a 6’ output cable with yellow SB50 plugs on each end, connecting between the GPU and the aircraft. An airframe interface kit containing another yellow SB50 plug, contact lugs, and a protective cover is also included with the product. The builder mounts this plug near the battery solenoid or airframe ground (not directly to the battery) and wires a fused connection to the plug.
Q: What if I need a longer output cable for my situation? A: The 6’ output cable, with yellow SB50 plugs on each end, can be extended/doubled by plugging another output cable onto it. These are available as a replacement part. Contact Audio Authority tech support for assistance.
Q: Can the M1435-EXP be used with certified aircraft? A: Yes, the Model M1435-EXP Mini-GPU is compatible with certified aircraft that have a 12V battery and a 14V electrical/charging system. However, its output cable is incompatible with the external power receptacle on certified aircraft. You must purchase a different output cable with the appropriate plug.
Q: Can I use the M1435-EXP to charge my battery? A: The Model M1435-EXP Mini-GPU is not designed for long-term battery charging. It has no circuitry for monitoring the battery’s state of charge or determining the precise charging voltage for various battery conditions and ambient temperature. So, the general answer is no. However, for short periods of time (an hour or two), the GPU’s output can be used to “top-off” the charge of a battery that is NOT serverely discharged. This is particularly useful during a powered preflight, allowing the pilot to take his/her time to check every airframe system and lights for proper operation without depleting the starting battery. To optimize battery capacity and reliability, we highly recommend full-time, maintenance charging desulfation, and recovery. Our preference is the aviation-specific BatteryMINDer products by VDC Electronics. The BatteryMINDer is designed to remain connected for long periods of time, and will never overcharge or damage your battery.
Q: Does the GPU work outside North America? A: Yes, the input voltage and frequency ranges are very wide and universal for worldwide operation: 85-264 VAC, 47-63 Hz. The AC cord supplied is a North American grounded 5-15, which can be adapted, or replaced with an appropriate cord, sourced locally.
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