The Kipawa advantage
  |  First Published: October 2006

Recently I was asked to try out one of the Kipawa electric motor propellers. According to Kipawa, just some of the advantages over a standard two-blade electric prop are more power, improved navigability and an increase in area covered per battery charge.

I don’t for second claim to understand the physics of propeller design and how a shape cuts through water but despite being a little sceptical, I was prepared to give one a go.

I’ve used the Kipawa about six times and right from the outset I noticed some pretty obvious differences. The first was the extra power. Don’t ask me how it works but by simply attaching the Kipawa prop I gained around 10% to 15% more grunt, effectively making my 50lb thrust Minn Kota a 55lb model.

Because I’m running a fairly small electric motor on a 4.6m tinnie, the extra power was very much appreciated.

When it came to ‘increasing the area of water covered’, again I found this to be a fair call.

By effectively having more power you find yourself backing the revs down.

For example, most of the time I’d drift or motor slowly with the electric foot pedal on around speed 3 or 4. With the Kipawa prop I found I could drop the control back to, say, 2 or 3 and achieve similar results.

Naturally lower speeds means less power used, effectively lengthening your battery life per outing.

As far as ‘improving navigability through the water, again I had to agree.

Because the three-blade prop seems to bite more cleanly into the water, the response time when turning is definitely increased.

Prop aeration has always be a problem with my boat. The combination of high bow and small waves would result in the electric motor frothing badly, losing all direction and control.

The Kipawa eliminated virtually all the annoying ventilation problems, biting cleanly on all but the roughest days.

Kipawa propellers have been designed to run safely within the manufacturers’ guidelines of today’s electric trolling motors. And with five models that will fit over 150 electric trolling motor models manufactured in the past 30 years, there’s bound to be one that will fit your electric.

Kipawa propellers are made with nylon and fibreglass composite components so should also be long-lasting and fairly tough. I guess I’ll just have to keep using mine to see how true that is but it’s lived up the rest of the claims so I don’t see why not.

Anyone interested can check them out at www.kipawapropellers.com.au or contact Peter Agapiou on 0407 457 492 to find a supplier near you.

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