Adventures on Planet Earth

Bedford Autodrome

Seven in the pit

After a long debate with myself, I decided to take the Caterham to a track day - its natural habitat after all. With plenty of grassy run off areas, Bedford Autodrome is regarded as a very safe track for beginners.

Driving around a track on a sunny day was expected to be ...

1 Rocket Road

Falcon 9 first stage at SpaceX HQ USA

I was in California for a business trip recently and had the opportunity to use a free Saturday to go surfing with the engineering team. To their surprise and intrigue I turned this down. Instead, I took a 2 hour drive across the I-105 to Hawthorne.

When one thinks of California ...


Gliding circuit

First solo flight recap:

  1. Winch ground run and take-off. Keep wings level. Hang on for dear life.

  2. Ascent. Realise my aileron rudder-control needs more practice. Crosswind isn’t helping. Try fewer control inputs.

  3. Cable release. Hear the characteristic back-release knock and give a sigh of relief. Fiddle with the trim control ...

a Bitcoin node using Raspberry Pi

Sample output during the node synchronisation process :

  "chain": "main",
  "blocks": 351405,
  "headers": 511505,
  "bestblockhash": "00000000000000000e713b8f3b5f52e57585122dc4ffa50b98f5be2e98d4aeca",
  "difficulty": 49446390688.24144,
  "mediantime": 1428593574,
  "verificationprogress": 0.2167161316271393,
  "chainwork": "00000000000000000000000000000000000000000006053b6a72e765d904063c",
  "pruned": false,
  "softforks": [
      "id": "bip34",
      "version": 2,
      "reject": {
        "status": true
      "id": "bip66",
      "version": 3,
      "reject": {
        "status": false
      "id": "bip65",
      "version": 4,
      "reject": {
        "status": false
  "bip9_softforks": {
    "csv ...

Winch, this is Control, come in.

Aston Down airfield United Kingdom

I spent this morning out in the damp cold working on the family car. Summer seemed a long time ago and I reminisced about a particularly good few days at Aston Down.

This is a picture through the windscreen of an old double-decker bus parked on the runway - the air control ...