I am busy building my 2nd dual electric motor system. We all know that the one must turn the opposite way then the other. But before I make a...
I was so lucky that somebody gave me a 20 Hp Yahama old style outboard motor as a present, but it does not have an ignition unit. I have to...
My neighbor has a model and from this model he like to build something larger approx 6 meter long. The model had 3 masts, but only one is left...
DIY 12 Voltage Lead Acid Battery Desulfator SLA AGM for a few dollars and free shipping. I bought 7 years ago 16 deep charging lead sealed lead...
I came across information on an e-motor with the following detail concerning the torque on the axle. If we take the maximum continuous power of 12...
I had a shock when I tested what stainless steel 316 was, to see whether my supplier gave me 316 or 304. I used a normal magnet and the 304 and...
Hi there, I could not get a prop which turns in opposite direction as the first one. I had to make my own props, simple one's, just for the 3 to 5...
Hi all, who has experience with a 12 Volt solar panel of 250 watt, but has only a max current of 8.03 Ampere and open voltage of 37.2 Volt, (...
I am struggling with a good method to re-generate electricity to a 24 Volt battery system while sailing. I am not sailing with a sail at present,...
Hi there is there an advantage of having the spreaders swivel or must they be fixed on a aluminium mast. Bert
I have to rewind a 2 kw brushless motor for making a winch. I do know how to wind and in which direction and how to split the poles. However what...
I am busy making this different type of keel. Here are my problems. 1) Should I place a permanent keel on my boat, I have to modify my trailer,...
Hi there again, I am playing with the idea to put a 4 meter mast on the boat and have a small jib, which I can reeve in and out from the...
Hi there, I need to add some more buoyance to my boat and consider to use an amount of small table tennis balls mixed with the 2 component...
Hi PAR, Gonzo, rwatson and other experts , A dagger board goes normally deep and insure that a sailboat does not drift when a jib is raised. My...
Hi there, I have never sailed with only the fok/jib (front sail), however when my wife was not able to help me, due to the fact that she was just...
Hi All, What gadget did you downloaded on your smart phone for sailing and boating application and how useful is this software gadget? From which...
Hi ElectricKajak and Porta. There are a number of different possibilities for an over-current switch/fuse. 1) cut the plus line of 12 or 24...
Hi all, When I was testing my boat on the water for a few times ( luckily not on the sea), I noticed already that the Ampere meter was...
Well, it took a little longer then I thought to make a solar powered boat, but here is the end result. I haven't tested it yet in the bay, I...