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- Newsgroups: rec.models.rc
- Path: sparky!uunet!zaphod.mps.ohio-state.edu!cs.utexas.edu!asuvax!ncar!fhage
- From: fhage@rap.ucar.edu (Frank Hage)
- Subject: out of control
- Message-ID: <1992Dec28.214300.22795@ncar.ucar.edu>
- Sender: news@ncar.ucar.edu (USENET Maintenance)
- Organization: NCAR, Research Applications Program
- Date: Mon, 28 Dec 1992 21:43:00 GMT
- Lines: 32
-
- RE: No control after launch. Surfaces still. Worked before and after.
-
- From the symptoms mentioned it sounds like (in order of likelyhood);
-
- 1. You forgot to turn on the transmitter or receiver.
- 1a. You picked up the wrong transmitter or forgot to extend the antenna.
- 2. A loose or bad wire at one of the connectors or in the battery pack.
- 3. A broken wire in the power leads, connectors or antenna.
- 4. A dirty or broken on/off switch.
- 5. A poor solder joint in the TX, Receiver, or switch.
-
-
- #1 happens more often than you might think. After doing #1 3 times in
- my first year of flying I *ALWAYS* do a surface movement check (full
- and unrestricted movement, proper *direction* and centering) right
- before I let go of the plane. Make sure the on/off switch is nowhere
- near where your launch hand sits on the model. Always turn on the model
- at least one minute before you plan to launch, in case the batteries
- are dead. "Dead" NiCads often have a few 10's of seconds of capacity
- after being unused for awhile.
-
- If you'd stake your life it wasn't #1, you probably shouldn't fly that
- model until you can pinpoint the problem. Go through the list above, in
- order, paying special attention to where the wires enter the connectors
- or cases. Often a wire's conductor breaks right at the connector,
- leaving the insulator intact. Often, the result is intermittant
- conductor contact. Make sure to shake and pull at everything, when
- trying to find the problem. Never assume there's only one problem,
- often if there's one "bad" connection, there's more.
-
-
- -Frank Hage. National Center for Atmospheric Research. Boulder, Colorado.
-