Thursday, 16 April 2020

A template for flying wings - and a new test tool!

Lockdown! Here in the UK it's been three weeks of relative quiet. On the bright side, I've been keeping busy with a couple of projects - a new template, and a testing tool for OpenTX setups...

Sunday, 27 October 2019

Jumper T16 Pro - is it ready for prime time?

The launch of the Jumper T16 attracted a lot of attention - it's well equipped, runs OpenTx, and is very aggressively priced. But is it good enough for high value sailplanes? Could it replace my FrSky X9D Plus?

There was only one way to find out, which was to get one and play with it!

Monday, 25 February 2019

Crow-aware adaptive elevator trim

In this post I describe an adaptive trim system which makes it easy to achieve perfect pitch trim when using crow brakes. The pilot simply uses the elevator trim to correct pitch deviations regardless of crow. The system is based on a Lua script.

Saturday, 9 February 2019

A 3D printed CG scale

How do you measure the CG of your model? Very likely, you'll be balancing the model over a pair of pivoting arms, or - worse - your fingertips. Low cost yes, but not very effective. Well, here's a better way using 3D printed parts and a couple of Arduinos...

Monday, 26 November 2018

A 3D-printed case for the RX6R

FrSky's latest RX6R receiver is a great little unit - except for one thing: the 'case' is just a flimsy cardboard wrapper. Okay for a foamie perhaps, but not much good for anything else.

Tuesday, 16 October 2018

Ahi 1.0: an OpenTx template for aerobatic slopers

I've just added a new setup to my library of soaring templates. It's for 4-channel aerobatic slope soarers like the Ahi, Phase 6, Voltij etc.

Monday, 1 October 2018

Frsky RX6R - a tiny full range 6CH receiver

The FrSky RX6R sounds like the answer to a lot of pilots' prayers - a receiver small enough to fit in a Pitbull or Stribog without looking as if it's been jammed in with a hammer! What's more, the RX6R is claimed to offer 40% more range than X-series receivers. Sounds too good to be true? Let's find out... [note: updated 18 Oct 2018]