Tag Archives: problems

Beginner’s Guide : Choosing the Switches on Your Radio Transmitter…..!!

Do you think radio control aircraft flyers ever get cold hands?? I’m beginning to wonder…

Maybe they don’t!! Radio Sailors on the other hand usually do want some warm, dry, hand protection and it’s extremely usual for us to use “Transmitter snugs” to keep our fingers warm !!

Our transmitters are generally model aircraft transmitters and we use a tiny proportion of their capability in Radio Sailing. Not all of them come with switches for aircraft pilots to play with, but the more you pay the more switches you will see on there. Lets be clear – far fewer radio sailors use ANY of the switches, but if you find yourself tempted quite possibly your transmitter is festooned with the them..

By “switches”, I am referring to those little silver spikey things such as the ones you can see in the photos above. If you are tempted to try one of these switches for sailing, then read-on.

In way of a suggestion, consider whether when inside a “transmitter snug” the switches can get inadvertently flicked/activated by the very material that is keeping your hands warm. Certainly when you take your hands out of the snug and perhaps place the transmitter to one side, you are open to this happening.

It won’t happen on the Radiomaster Pocket (switches safely recessed) but Flysky, Spektrum and the Futabas generally have them running along facing you on what I think of as “the top” …. meaning the console where the joysticks are located. Futaba and Spektrum also have switches on the back panel, slightly hidden away from you. To make it more interesting there are often two different switch arm lengths. What I have been finding is that the longer switch arms (lovely action!!) are the ones that can snag on the inside of the transmitter snug. When it happens, it’s quite difficult to spot until something doesn’t work on the boat as you expect…. usually at a crucial moment!!

The Flysky I tried at the weekend additionally needed those switches all in the off position just to power up successfully. The Flysky only has switches along “the top” if I recall correctly. (see photo above)

So my suggestions if you really, really want to try switches would be :-

1/ Choose the short stubby switches if you can, as they are often “protected” against snagging by a tall switch located next to them.

2/ Consider only using short stubby switches on the back panel if it fits your way of thinking. A reduced chance of snagging back there….

3/ If you get cross, don’t throw away that transmitter snug!!

Beginners Guide to Diagnosing Under-Deck Problems – Electrical/Radio/Winch/Servo….!!

I had a little outage last Marblehead Sunday. The boat slipped into Failsafe mode and drifted quietly off toward the Royal Castle of Windsor!!

The Commodore leapt into RIB duty mode and helped me get it back, no problem! Useful to take a lifter with you! As soon as racing finished, in classic Datchet manner… everyone gathered around, tool boxes came out, to get my fault diagnosed.

It was pretty educational and a great learning to see them go about it. We quite quickly figured all the electrics and radio were OK and identified the winch as a possible failure point. It was great to see them checking out the transmitter, receiver, battery, cabling etc.

All this learning was a delight. So as not to lose it, I have documented the diagnostic and repair process here. If you find yourself in a similar position, it may be helpful. Click below to download.

Spektrum Tittle Tattle….!!

So that we could write our Datchet radio sailing manuals for all the Transmitter Brands, I went ahead and sorted out trying them all.

In asking around, you get positive and negative opinions (passionate usually!) about all of them. When asking around about experience with Spektrum, more than once I was told that the kit had to be abandoned due to boats falling out of range. This was naturally accompanied by the views of others saying “used them for years, never had a single problem”…. (more passion!)

Of course, a boat can drop signal for all sorts of reasons – transmitter, receiver, carbon fibre, battery etc, but when your much respected friends say they had a problem you pay attention, don’t you? It might be the transmitter, it might not.

So I went ahead and bought a new Spektrum DX8e (on special offer, I might add!!). Before even hooking it up, I managed to break the thing – entirely my fault, by the way. So RW took it off to see the Spektrum doctor for me.

What was interesting was that RWs Model Shop (AL’s Hobbies) knew straight away after repair to give it a range check. I’m thinking they knew what to look for. They promptly sent it back to the distributor. It only took a couple of days to turn around.

The diagnosis was a faulty battery connector which had to be replaced. It was all so quick I’m thinking they had seen all this before a few times – a big batch problem maybe.

Anyway, if you have set aside your Spektrum after losing contact, it may all be to do with a suspect battery connector. You might want to get that looked at.

I’m grateful to Gary at AL’s Hobbies for sorting mine out 🙂