About A470 Soaring


This is the blog for a few guys who spend their time flying radio controlled gliders, or slope soarer's, from the many and varied slopes around SE Wales.

This usually begins at the northern end of Cardiff, driving north up the A470 up to the Heads of the Valley's and the southern fringe of the Brecon Beacons. But the A470 road continues its windy way all the way to N Wales.

There are many slopes available for most wind directions, the most famous being the area between Nant-y-Moel and Treorchi known as The Bwlch, which has some of the best slopes and flying in Europe with many F3F competitions being held there each year and visited by many fliers from Europe and around the world. At 1500 feet (450m) above sea level, there is usually more wind than not, and certainly more than at sea level.

If you require any further information, are new to slope soaring or are visiting the area, please contact Steve at steve.houghton59@gmail.com . I look forward to hearing from you.

Take a look at Page 2 (look below and to the left here) for Google maps of our most popular Flying Sites.


Friday 27 January 2017

Elevator servo failure on the L-213A

So I fitted a small Hitec servo into the fin to operate the elevator, and as is my usual practice when installing a new servo, I give it a good old wiggle for about a minute, just to ensure it is operating ok. Unfortunately this one didn't and it began to play up by constantly moving the full length of travel in both directions, a bit like a metronome.

So I spent some time last night looking for a replacement, and as I am intending to fit KST servo's in the wings, I thought I'd have a look at what KST could offer and I came up with this.


The new KST MS320 is a revolutionary high reliability servo that uses contactless/magnetic position sensoring to do away with the unreliable and limited life potentiometer (pot) that has been a thorn in the side of RC models until now. This advanced KST developed technology has the potential to revolutionise the RC servo industry, with servos no longer the least reliable part of the RC control system. This increased reliability will make these servos the preferred choice for all high value/high energy models, and for the UAV industry.

The KST MS320 has an excellent 6.2 Kg.cm torque with a really good 0.075 sec/60° rotation speed. This makes it particularly suitable for cyclic on 450 and larger helis, and control surfaces of large fast models up to 10 Kg in weight.

In addition to the contactless/magnetic position sensors KST MS 320 high voltage (2S LiPo capable) servos use zero slop hardened steel gears, aluminium alloy cases, and well designed electronics to deliver the best performance at this size and price point. The combination of no free play in the geartrain and the ± 100ยบ rotation range gives these servos the best resolution of any on the market.

The extreme reliability and performance of these servos also makes them very suitable for use in film and motion picture industry special effect departments. They are also used in robotic, drone, UAV, UAS, academic research, military, and other highly demanding applications.

So here's hoping it is a good as the blurb states. I'll let you know.
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