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You guys do realize we are building RV's here don't you? Not Space Shuttles.....
There are a million failure modes to check for, wires that could get broken, bulbs that can burn out, lights that can be the wrong color or too bright, push to test circuits that must be added, etc. etc. etc. This can snowball totally out of control fast! The original poster is way behind the power curve on all of that...He needed a simple circuit to get him out of the ditch. That is what I gave him.... |
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Flap run indicators are used because Van's flap motors do not have limit switches and will continue to run even when at their end limits. Many people use an (ON)-OFF-ON DPDT switch instead of the standard Van's switch, which will not automatically shut off when released. Finally, all of this simple lamp stuff works fine for Day VFR. For night VFR, things get tricky because you'll want to dim the lamps to avoid being dazzled. An annunciator controller makes this easy. See http://store.makerplane.org/annunciator-controllers-il-12a/ for a typical circuit. This is an open-source design. |
Robert, give me a call.
You may not remember but I had a light wired to my pump in my first panel. |
Works for me
Here is my pump light wired as per Brantel's schematic.
Your fuel pressure gauge will tell you if it's actually pumping. Notice it's green, green means good. If you forget to turn it off, no harm done. You really don't need a flap light just look out the window and get a visual on the flaps. If you want to get fancy on the flaps get one of these http://www.tcwtech.com/IFC-1-page.htm |
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BTW I built a couple of your annunciator controllers and love them! Thank you for sharing the design. The dimming option and "push to test" feature are fantastic! |
[quote=vlittle;747663]
Flap run indicators are used because Van's flap motors do not have limit switches and will continue to run even when at their end limits. Many people use an (ON)-OFF-ON DPDT switch instead of the standard Van's switch, which will not automatically shut off when released.QUOTE] I think the best thing to do will be to go without the flap run indicator. My switch is an (ON)-OFF-(ON) so there's realy no way it will stay on. My concern was more about the flap motor becoming a runaway if a "weird" short was to cause it to take off without input from me. The fuel pump light works great by running in parallel as suggested by MikeS. The flap motor run indicator is a bit trickier because of the nature of the wiring. I tried to wire the flap run light as krw5927 and the result was tat the light lit in only one flap operating direction. This is with an incandecent light from AS. Yes, N941WR, I remember our conversation (LOL) and I am using a green light. Thanks for that insight. |
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I suspect Mel and I are of the same mind.....KIS!
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Green for me:
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I used a lighter rocker switch for my fuel pump.
Greg |
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