Blog

​Testing, product development other stuff we think you might find interesting …..

Jengu – Round The Island Race 2019 – Performance Analysis

In any sport its important to do post match analysis. Sailing is no exception. With all the races that we do on Jengu we try to assess what we did right, what went wrong and what we could do better next time. The sources of information on any sailing boat are vast. There are literally dozens of...

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Extracting Data from Your Boats Network

How do I get the information out of my boats network? Most modern sailing boats have networks that run on NMEA 2000 protocol or proprietary variants of that type. The networks connect the various devices on the boat together and allow the exchange of information. Rockit is expecting to receive...

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JOG St Vaast Race 2019 – Lots of wind and surfing

Reviewing the data collected for Jengu racing to St Vaast using Rockit over the bank holiday weekend. There was a lot of debate before departure as to which weather model was going to be right GFS or ECMWF. A lot of time was spent reviewing the maps from Predict Wind and Wind Guru; pretty...

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Junior Offshore Group Class 4 Inshore Results

The results are out. Jengu is 7th overall for the season. Up from 19th last year. All credit to the crew for putting in a lot of hard work over the last six months. Bill/October 2018 Originally published October 16...

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JOG Nab Tower 2018 Track

In addition to the discussion in the last post. This is the track from the Race loaded into Google Earth. You can load the attached .kml file into Google Earth to see the data that we are collecting in more detail. The .kml file is here: KML File For JOG Nab Tower Race Tracking Clicking the...

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A lot of Anti-foul …

Six coats of anti foul on the keel looks good…. now all we have to do is avoid getting stuck in the mud ….thats all. Bill/Feb 2018 Originally published February 14...

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Final Testing Session For 2016

The beginning of November saw us return to the Solent again for an informal weekends sailing with London Corinthian Sailing Clubs offshore group. The Not Race and Hot Toddy evening have become a traditional end of season outing. Its a simple format, we get together at Hamble Point on a Friday...

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To Poole and back – more adventures in boat maintenance

The 2nd weekend in September saw us back on the water after the August break. August for some people might be Cowes week and the peak of the sailing season but for us its always been school holidays and time out with the family. This year we took advantage of the downtime to take Jengu out of...

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Jengu Does Dartmouth

Last weekend was our first serious race outing for Jengu. We’ve had a couple of other trips including circuits of the Solent, racing to the Nab Tower and St Vaast, but this was our first serious test of the systems that we have installed and configured over the last 6 months. As described in...

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The Wind Direction Saga

When I first saw Jengu it was November it was a foul day at Hamble Point and the wind was strong enough to be moving the boat around even though it was on dry land. I didn’t pay much attention to the fact that the instruments said it was blowing 100knots. It seemed plausible. Fast forward to a...

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