Recent Content by BertKu

  1. BertKu
    Post

    A strange question

    Thank you Fallguy, Yes I still have to finish the propellers off. I will grind it during balancing. Thanks, pleased to read, I don't have to be...
    Post by: BertKu, Mar 7, 2021 at 10:12 AM in forum: Props
  2. BertKu
    Post

    A strange question

    Fallquy and all others. I still haven't received a reply whether the two propellers must be parallel. pointing towards inside or other way. The...
    Post by: BertKu, Mar 7, 2021 at 9:07 AM in forum: Props
  3. BertKu
    Post

    A strange question

    Hi Fallguy, You probably totally right. But probably not at the speed I am going, below 5 knots. I hope I understand you properly, you mean at...
    Post by: BertKu, Mar 7, 2021 at 8:49 AM in forum: Props
  4. BertKu
    Post

    A strange question

    Gonzo, If you wonder how I balance the prop and check the pop, it is very simple. I have a two point system where between the propeller is...
    Post by: BertKu, Mar 7, 2021 at 4:32 AM in forum: Props
  5. BertKu
    Post

    A strange question

    Hi Gonzo, actual I should have a variable pitch/size propeller, then one can adjust the pitch and the size to the rpm of the motor. But it is not...
    Post by: BertKu, Mar 3, 2021 at 7:07 AM in forum: Props
  6. BertKu
    Post

    A strange question

    Gonzo, my problem is that Diesel and Petrol engines has a narrower area of torque in the rpm range. While a brushless motor is the torque from 1...
    Post by: BertKu, Mar 3, 2021 at 1:18 AM in forum: Props
  7. BertKu
    Post

    A strange question

    Hi Gonzo, No, it does not make sense for me to buy lots of propellers and try to see whether I will go 1/10 knots faster or slower. It would be a...
    Post by: BertKu, Mar 2, 2021 at 12:25 PM in forum: Props
  8. BertKu
    Post

    A strange question

    Hi Keith, here the photo of the 90 degrees bevel gears I made. They are from 316 Stainless steel and in closed with gearbox oil. Also my problem...
    Post by: BertKu, Mar 2, 2021 at 9:32 AM in forum: Props
  9. BertKu
    Post

    A strange question

    Keith, just to illustrate what I have made in the past few years and now my 3rd last design. The first motor was too heavy for me to lift when I...
    Post by: BertKu, Feb 18, 2021 in forum: Props
  10. BertKu
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    A strange question

    One more question I have on the 2 propellers. Should they be pure parallel pushing the boat OR should they be slightly push to a center point ,...
    Post by: BertKu, Feb 5, 2021 in forum: Props
  11. BertKu
    Post

    Long shot this. Opening a sealed head torch?

    I would consider just to break it open and seal it afterwards with a product available via Amazone.uk . I use only the white CT-1 it can be used...
    Post by: BertKu, Dec 31, 2020 in forum: OnBoard Electronics & Controls
  12. BertKu
    Post

    A strange question

    RAraujo, I have decided to go with your reply. Should it be later on better to do it the other way, it will make a plan. Thank you very much. Bert
    Post by: BertKu, Dec 31, 2020 in forum: Props
  13. BertKu
    Post

    A strange question

    Thank you for your reply Gonzo, but I am not so lucky that I can lift my 2 propellers and 2 rudders out of the water. I started with 1 rudder...
    Post by: BertKu, Dec 29, 2020 in forum: Props
  14. BertKu
    Post

    A strange question

    Thank you RAraujo But my problem is that I have my rudder between those two propellers. Thus maybe I should have it the other way, so that the...
    Post by: BertKu, Dec 29, 2020 in forum: Props
  15. BertKu
    Thread

    A strange question

    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...
    Thread by: BertKu, Dec 29, 2020, 23 replies, in forum: Props