Roelf, can you upgrade your bow thruster to a larger size using the current tube?
Also there are thrusters designed to clip onto the stern of motor cruisers, maybe you can add one to the stern to supliment the rudder in hover situations?
Of course I never use my spuds where anchoring is forbidden and 'in the middle of the channel' , I meant those narrow creep channels here in mid France, where you pass sometimes one - two other vessel/day, and where is not a sign that you not may anchoring, or pieces of channel where anchoring is not allowed or by well nowed restriction!
I really would not dare to pole before a sas like the Meuse, Rhône, Seine etc., or on big channels (canal du Nord) etc. no way !! Here I act ‘normal’ ;-)
Steve Van de Pas wrote: in places where you are not allowed to anchor, you May not use your poles!
............. if we have to wait on a canal for a lock, then we put our poles in the middle of the canal, so you certainly can not do any damage on the high borders.
The first part of this is correct - in revision 5 of the CEVNI rules "No Anchoring" is now to include the use of spud poles. Unfortunately the second bit is not - if anchoring (and spud poles) is forbidden it does not mean "except in the middle of the canal". There is a new blue "Authorisation" sign E6.1 depicting a Spud, and the only situation where a Spud may be used in a waterway where anchors are not allowed is if this sign E6.1 appears.
I have not heard or read anything about a prohibition for using poles.
it is important to use common sense when using your spud poles.
on natural rivers and waters there is virtually no reason not to use them,
in places where you are not allowed to anchor, you May not use your poles! , and/or where the channel is higher than the environment (mountains), especially here in France, it is possible that you can the damaged the dyke underground, which usually already leak here , caused by rats and lack of proper maintenance.
if we have to wait on a canal for a lock, then we put our poles in the middle of the canal, so you certainly can not do any damage on the high borders.
I am sure that anchoring is more likely move the surface and the environment underwater.
In places where especially in high season, usually rent boats or sleepers Whois moor to the middle of a pontoon, it can be very convenient that you can moor with the head and put the rest of the ship on the poles., we need only 1 m! (we have a 'basset hound')
Of course, we do not pullout normally our poles if we are able to install ropes somewhere , but it has already happened , last year, that we are in busy cities (obligated 2 months in Verdun) by night and in W.E. we move about 1.5m from the quay, to avoid unwanted visitors, it has indeed worked that, ‘they’ go looking for easier victims (I saw happens on night camera recording)
again, using common sense is the best guideline, and yes we are very happy with ours poles
Pin anchors / spud poles are difficult to retro-fit, especially in the ideal place – the centre of your boat. Centre because it minimises the effect of wind (equal tendency to turn clockwise as anti-clockwise) and because your bow thruster remains effective if you need to make adjustments to your heading when pinned.
Another suggestion that you've probably already considered. If wind is the biggest problem compounded by your poor manoeuvrability, then perhaps you should look at solutions to these problems in another way. Reduce the sideways slippage factor by adding a keel or even bilge keels. This will increase your draft (probably quite small in a Tjalk), which will achieve both a reduction is sideways slippage by wind and will improve your steering accuracy all the time. Remember your boat was originally built with lee boards to keep it pointing where the guy on the tiller wanted it to go!
How about a mud weight on 3 or 4 metres of light chain or rope on an electric winch? if its rope then almost silent and no one would ever know that you are cheating. In fact that's such a good idea that I might try it myself to avoid those embarrassing times when the boat ends up in the bushes pointing the wrong way.
spud poles are top, I can not miss them anymore ...
not only can you dock anywhere now, also at a part of the end/begin of a quay, with maneuvering> simply lower the front post and you can effortlessly turn around this axis, even in wind and current. a disadvantage,
It go 5-6meters down, telescopic and automatic, even on tide waters!
wish you reliability and quality, it will cost you a lot! But the best materials, engines, engineers, and it is the same material used on bigs chips in Holland.
1 spud weighs about 850kg an the ticknes of the steel is 8,6mm!
if interested I can give you "the" address in the Netherlands, near Dordrecht.
We’ve been cruising around Holland for a few years on our 20 m Tjalk Sjoeke and have become familiar with her manoeuvrability (or lack of!). We have a mechanical bowthruster that provides little help when there is any decent wind. Also, very little paddlewheel effect to help/hinder with manouvring. We are looking for solutions that will help minimise leeway movement and to minimise embarrassing situations while waiting at bridges. We were thinking of easy to deploy spud poles as a solution.
Any ideas or comments? Is there an easy to fit external spud pole that can be purchased?
We have even thought outside the box and considered a hydraulic boom set up if feasible.