Measuring a brand new main shaft for run-out on one-way bearing surface

by Martin S / Added 10 months 3 weeks ago

119 Plays / 0 Likes / 0 Comments

Footage from my lathe with a dial gauge.

Camerons camera rocket flight

by Martin S / Added 2 years ago

157 Plays / 1 Likes / 0 Comments

Small solid fuel rocket with video camera onboard. Motor was an Estes C6-5. Parachute tangled on the fins. I had three goes at getting the audio sync right, but for whatever reason could not get…

FrSky range test for V8FR full range receiver

by Martin S / Added 2 years ago

3,901 Plays / 2 Likes / 0 Comments

Note the road does go past trees at around 800m and 1800m. This receiver barely blinked at that, a very good result. At 2km even making the antennas cross polarized did not loose the signal.

FrSky V8R4 receiver range test.

by Martin S / Added 2 years ago

4,074 Plays / 2 Likes / 0 Comments

At about 800 meters and about 1800 meters there is some clutter in the radio path (trees). But at 2km and before 800m there is good line of sight. Sorry about the other voice on the audio, CB radio…

Windrider Fox trying out glider tow.

by Martin S / Added 2 years ago

662 Plays / 0 Likes / 0 Comments

The tow plane is a very old J3 Cub that was rescued from a dump ! After being restored and electrified it's proven to be a powerful tug for smaller gliders. The EPP Windrider Fox is my sons slope…

FrSky monitor program part 2

by Martin S / Added 2 years ago

599 Plays / 2 Likes / 0 Comments

Showing the signal quality graph and alarm.

FrSky software monitor program

by Martin S / Added 2 years ago

985 Plays / 0 Likes / 0 Comments

This monitoring the two analogue channel from the remote receiver. The TX module serial output is plugged into the laptops comm port. This shows what the monitor does. I don't have any RS232 to display…

Gyro test stand at work.

by Martin S / Added 2 years ago

261 Plays / 1 Likes / 0 Comments

One test run on the 'Ikea' gyro test stand - This one with analogue servo mode set on the HK-401B. Trying to reduce kick back from sudden stops in AVCS. Tried some pitch pumps to see if AVCS was coping.…

FrSky Two Way 2.4Ghz system development kit first look

by Martin S / Added 2 years ago

885 Plays / 1 Likes / 0 Comments

DIU rolls & mini half-pipes...

by Martin S / Added 2 years ago

224 Plays / 0 Likes / 0 Comments

Sadly the DV camera was set to lowest res. If you squint you can see the DIU going through some rolls and half pipes to show how my setup performs. It had the CoG at 18mm, and the 1/4 size slope soaring…

Mark Shorts custom built CBR600 GoKart

by Martin S / Added 3 years ago

182 Plays / 0 Likes / 0 Comments

Mega-powered bitumen kart.

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Slope soaring at Daly Head.

by Martin S / Added 3 years ago

185 Plays / 0 Likes / 0 Comments

Slope soaring trip with the boys on Yorke Peninsula SA. December 2008.