Kelvin's Corner

Fixed Gearing enforced for the remainder of the 2023 Season

As of this month, June 2023 – Round 4 we are enforcing the following fixed gearing combinations… 19 Toothed Clutch 71 Sprocket  or 20 Toothed Clutch 74 Sprocket All teams are expected to comply for Round 4, June. We will

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RHPK to return to Fixed Gearing in June 2023

RHPK has announced today that we will be returning to fixed gearing for the remainder of the 2023 Season in June, after a number of requests from the paddock to return to fixed gearing.  We published a poll a couple

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Oil Control Rings – RHPK Statement

As mentioned in our previous update, it has been brought to our attention that an engine supplier/tuner has been using non-standard Honda Control rings. Upon this discovery, Kelvin Nichols, Our trusted scrutineer, has been working furiously on developing a tool

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Kelvin – Let’s talk tyres!

Well, round one certainly put a curved ball into everybody’s plans! It was never wet, it was never dry. At some point, every kart had the right tyres on for the conditions at that time, but sadly most of the

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Kelvin – Take note before July!

Some things for everyone to note before the July RHPK event. To be clear, I do check sprockets from time to time, and stripping down a sprocket covered in chain lube after an event is not the nicest thing. I

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Kelvin – Improve your engine’s performance

Want to know two easy ways to get improve your engine’s performance? Increase the compression ratio, or add more air/fuel mixture. One sure way to increase the compression ratio is to manipulate the spark plug (although, of course, I’m not

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Kelvin – Let’s talk tyres!

Tyres can play a huge part in your days racing. Get them right, you’re on the money. Enough grip, not too much is about right for a prokart. Get it wrong, the day is long and tedious with little to

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Kelvin – When do we race?

Well, this is a strange set of affairs and no mistake. I’m sure you, like me, are missing the racing terribly. Worse still for me, and perhaps some of you, I am in total isolation, due to age and underlying

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RHPK Potential Gearing Change?

There have been several engine blow-ups this year, more perhaps than I can ever remember happening in a season before. These have affected both our major engine suppliers, and have been caused by con-rod failure. This too, has previously been

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Post Round 6 – GX160 Honda Exhausts, Final Update

You will be aware that there were exclusions for non-compliance at the last round, involving exhausts. View the previous article here :-  You might recall that my reasoning centred on a camera view that tended to suggest that a port

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