Tried & tested
A digital anemometer, lightweight backpack and PLB with AIS
Kethvoz KE-866B Anemometer Digital Windspeed Meter
While down on the beach early one morning trying to vainly guess whether there was enough wind to rig up my hydrofoil windsurfing gear, it struck me that like every other handheld scientific instrument in life, perhaps the Chinese are offering unfeasibly cheap anemometers on Amazon now, writes Jake Frith.
One quick web search later and yes, as I suspected, anemometers now start at £12 including delivery. That one was a ‘pocket anemometer’ though, which I swerved as its impeller is just 2cm across and feedback suggested that it took a few knots of wind to get it started, making its low windspeed accuracy questionable. Spending £3 more for a larger device with far better reviews seemed to be sensible.
I opted for ‘Kethvoz’, but I noted that it goes by three or four alternative names and sells for up to £29.95. This is a sensitive device. Put two AAA batteries in and walk slowly around a room, and the 6.5cm impeller starts turning and it can read down to the 0.2 knots you are shuffling around at. A UNIT button shifts it easily through mph, knots, m/s, ft/ min and km/h and a temperature display tells you in centigrade or Fahrenheit what it was wherever you were storing the unit about 20 minutes ago. The only negative reviews were about this very delayed temperature reading, which I don’t require anyway.
Testing it against my Garmin masthead cup-type anemometer on the boat, the Garmin read 5% more, but that’s what I would expect at the top of a 30ft mast. Similarly, Netley Cliff Sailing Club’s clubhouse anemometer was reading just under 7 knots when the Kethvoz said 6.3, but the club’s cups spin 25ft up and the Kethvoz was only at the end of my arm.
The lanyard unscrews and, usefully, is the same thread as a standard camera tripod bolt, so I often put it in Average Speed mode on a tripod for a few minutes to get a good idea of the mean windspeed –more useful than a single point in time.
Price: RRP. £18.99. From £15.19 (with Amazon Prime delivery)
Contact: pbo.co.uk/kethvoz
Stubble & Co The Adventure Bag
This backpack impressively holds as much as a suitcase yet is noticeably lightweight (1.7kg) and sized to be taken on flights as a carry-on, writes Laura Hodgetts.
Travelling back from a Poland charter holiday, I actually forgot to check in my giant rucksack as holdall luggage and passed through security before I realised –I was allowed to go back but the airport staff said had I not notified them, it could have been carry-on anyway.
That I hadn’t been desperate to shed the
