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nearly June, just lit the stove... wtf?


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Enough!! I've been to the butcher for BBQ meat. It is going to be a lovely weekend. Wall to wall sunshine. It is. Honest. Just shut your eyes, cosy up by the fire and today will pass .....

 

Bright sunshine now in the North East, still windy and not too warm but getting better...

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1700hrs Friday in Trevor currently sunny, fresh wind only, and over 10degC. Llangollen the last two days felt it was never above 10deg C with vicious winds and hail, sleet showers. Now found my earlier handling difficulties were as much caused by the shallow water, of the Caldon and Ashby canals as the high winds and both with the deeper water, (yes even on the Llangollen) and gaining experience my difficulties have lessened. (still confess to using the bow thruster occasionally in strong winds) The rudder stops on Whio are well short of a stalled rudder preventing the extra turning by taking the rudder right to the stall point, (or if stalled, quickly centreing until lamina flow re-established and reapplying hopefully just short of the stall point.

 

D&V

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Moored at Hawkesbury Junction with the stove alight. Too windy to move anywhere and it be enjoyable!

 

Things seem to be improving but not sure if its a placebo effect caused by a lovely lunch and beer in the Greyhound???

Edited by IanM
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The rudder stops on Whio are well short of a stalled rudder preventing the extra turning by taking the rudder right to the stall point, (or if stalled, quickly centreing until lamina flow re-established and reapplying hopefully just short of the stall point.

 

There is an interesting thought.

 

Please say more about this.

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I'm off to Crick tomorrow and have heard plenty of people tell me the weather is going to be really nice.

 

I'm at home at the moment about half hour away and looking out of the window there is little evidence of it being 'really nice'!

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I just uninstalled the stove a few days ago as I am repositioning it. as soon as I do this we get 10 degrees and rain. got the mikuni ch so its okay but bad timing as I would like to have the fire going today !

I actually loved my mikuni. It was ''fun'' working out when it stopped working, but a really good reliable little machine and made the boat toasty. It was 17 years old and still running well when the boat went.

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lovely to day in ireland but has been cold,windy and crap for years.theprice of coal allso went up.another so called carbon tax in other words a pathetic,lazy and thinly veiled reason to rob the people without having to promise anything.a corrupt and incompetent government.i blame them for the weather.anyway, i'm heading for a free soul music festival then will hopefully get drunk while bbqing.

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There is an interesting thought.

 

Please say more about this.

Much more experienced boaters will be able to explain this better, but water generally flows down both sides of the rudder (lamina flow) until the angle of the rudder across the flow becomes too much, when the water on the clear side will pass straight ahead rather then following the rudder around and the water on the obstructed side tends to bounce back. This is the stalled condition and the rudder virtually completely losses effectiveness. This angle is also dependent on boat speed, power setting and water depth as all of these factors can induce the turbulence that breaks the lamina flow. The most effective turning is therefore dependent on smooth flow just above the stall angle. Unfortunately this angle can only be found by actually stalling the rudder, in which case the correction is to straighten the rudder enough to re-establish lamina flow and then reapply the rudder angle.

 

Don

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The stall angle is variable as Don says and is (usually) in the 30° to 45° angle from straight ahead.

 

Anything past about 45° and the rudder stops working effectively.

 

Google: rudder stall angle

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If you push the rudder hard over the chances are you will see the wash split and nearly as much coming out the "wrong side". Now centre the rudder and turn it slowly to the side, maybe giving it a bit of a wiggle, whilst watching the wash. You can give it plenty of revs. With any luck you will see all the wash coming out on one side. Keep turning the rudder and you can get, depending on the shape of the swim, all the wash and thrust coming out almost sideways and the boat will turn in almost its own length. This is due to the laminar flow "attaching" itself to the side of the rudder.

On my boat this will be with the rudder between 50 & 60 degrees from straight ahead.

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anyone still got the stove on?

We have...

 

 

Yes it's turned for the worse again up here in the North East too.

 

Fog, rain.

 

Set to pick up again for the weekend again though which is good because we are boating from Friday!

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It felt very cold and damp last night, so the stove was lit!

 

By the looks of the weather again today, I think I'll be relighting it when I get home from work too.

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Lit mine again about an hour ago as earlier I had popped round my next door but one boater friend who hasn't been at all well to ask them if they wanted me to get them a bag of coal/shopping as I was getting some.

Well I arrived back from the coalmerchant and it was peeing it down and unloaded my fellow boaters coal and mine and my coat/hair got rather wet!! Anyway all nice and warm again and at least my neighbour has more coal when he returns back from a specialist Hospital appointment thisafternoon.

Treated myself to really nice chippy while out!

 

Jamescheers.gif

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