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Thread: A new project ! Akula II

  1. #221
    Join Date
    Jun 2007
    Location
    7 miles north of Phelan, CA
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    Now for the really bad part of this glazing.
    Glazed one size of rudder.
    To do this the rudder needs to be move all the way to one side to get all of the surface accessible.
    Just turn on the Tx and then the Rx.
    Move the rudder control all the way to one side and unplug the Rx power plug.
    Glaze the rudder. (10 seconds at most)

    Then pick up electronics tray and turn over to plug Rx power in to move rudder in other directions.

    CRAP !
    Plugged in the power and the ballast piston motor ran for a short burst.
    Normally not an issue as the piston runs to get to the stop point. (was already there ?)
    But I happened to have a finger in the electronics tray frame.
    I also happened to be touching the secondary gear of the piston drive.
    How do I know?
    The gear pulled my finger in and took a big chunk of meat from my finger right at the side of the finger nail. (really not so big but it hurts like the dickens and bleed a lot)

    Why did this happen?
    I got careless and did not look to see where I was holding the electronics tray when I picked it up to turn it over to see the plug.

    It will heal in a day or two BUT my embarrassment will last a lot longer. (dumb guy, dumb guy...in action)

    There will be no photos of the injury.
    .
    SSBN 598 - blue/nuke trained IC/forward

  2. #222
    Join Date
    Apr 2006
    Location
    United States
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    2,351

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    ouch!!!
    Regards,

    Matt

  3. #223
    Join Date
    Jun 2007
    Location
    7 miles north of Phelan, CA
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    Here is the gear that bit me.
    Finger got pulled in between the gear and the tray mounting tube.
    The gear is center of photo at the piston end.

    ================
    While looking for this photo, I noticed something.
    This thread is 23 page long.
    The boat assembly was basically done in the first 2 pages. ;^)
    SSBN 598 - blue/nuke trained IC/forward

  4. #224
    Join Date
    Jun 2007
    Location
    7 miles north of Phelan, CA
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    Final sanding completed.


    Masking the hull.
    Getting ready to paint.


    3 coats of flat black, curing.
    Required having the Tx and Rx on to move the rudder from left to right to get under the rudder stab top and bottom edges.
    The paper goes out past the ends of the planes, so no over spray.

    .
    SSBN 598 - blue/nuke trained IC/forward

  5. #225
    Join Date
    Jun 2007
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    7 miles north of Phelan, CA
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    Clear coat applied.
    Masking tape and paper removed.
    Still shinny because it is still wet.
    After it dries, I will see if I can get a better photo.

    .
    SSBN 598 - blue/nuke trained IC/forward

  6. #226
    Join Date
    Jun 2007
    Location
    7 miles north of Phelan, CA
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    Rudder modification, completed.
    I now have a rudder that is 1:3.
    1/4" in front of rudder post and 1
    2/4" behind the rudder post.


    Testing in the pond will be Oct 14th.
    That would be the next SubRonLA gathering at Yorba Regional Park.
    Gate opens at 7:00am.
    .
    SSBN 598 - blue/nuke trained IC/forward

  7. #227
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    Jun 2007
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    7 miles north of Phelan, CA
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    In the pond about 45 minutes.

    Boat ran well.
    The new rudder turns to the right closed the radius by about 10 feet.
    This is good.

    Turning to the left not so much but better than stock rudder.

    I did not say in the build modification but I made the right and left side of the rudder, different.
    Now, I will modify the left side to match the right side.

    Turning, both right and left was so much better.
    SSBN 598 - blue/nuke trained IC/forward

  8. #228
    Join Date
    Jun 2007
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    7 miles north of Phelan, CA
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    Some where I posted about some issues I was going to look in to with the Akula II.
    I was going to remove the Hall's Sensor, not because it did not work but because my transmitter is not capable of the fine tuning needed to run the Hall's senor to it's full capacity.
    -----------
    Well, I removed the Hall's.
    I removed the 4 little magnets.
    This required disassembling the tech rack to some degree.
    4 little bolts and sliding several brass tubes and the antennae wire/tubing.

    I read the instructions to figure out how to re set the system.

    Followed them the best I could after reassembling the tech rack.
    So far, I can not get the system to boot up.
    There are 3 little lights.
    Red, yellow and green.
    If I set it up as the instructions say for manual operation, I get a solid yellow light.
    I configure it for HAll's and I get a green light that blinks twice then repeats.
    I reset using only 1 of the jumpers and I get no lights.

    A few weeks ago, I contacted Engel's about removing the HAll's and how would I set it up.
    I got a response to look at the Hall's installation instructions and do them in reverse.

    I did that several times and did not get setup.

    Here is what I get.
    No matter which instructions I follow, I do not get the piston motor to run.
    Either direction.
    Unplug the motor form the system and then using a small battery, I can connect directly to the motor and it will run.
    Reverse the connection and it runs in the opposite direction.
    Have to be careful because there are no limit switches, testing this way.

    At least I know the motor will run.

    Using the instructions, I hook everything up again.
    Rudder = Yes
    Rear planes =yes.
    Propeller motor, both directions = Yes.
    Piston = nothing at all.

    So, I decide to send a message to Engel's explaining all the above.
    E-mail comes back as undeliverable.

    I then go to the Engel's web site.
    I go to contacts and try to send a message. Pag egoes to a default Failure to Send.
    Okay, maybe I should log in.
    Login and try again.
    Same message of failure to send.

    Using the instructions, I can not get the piston to work.
    I can not contact Engel's because the e-mail addresses will not accept.

    I guess I could call...that's right, I do not have phone, just e-mail.
    ==================
    My next option is to remove the control board and look it over for cracks and broken solder joints.
    Look for wires that may have come loose.

    Reassemble as if for the first time.
    And try again.
    --------------
    In the instructions there is a list of issued determined by the lights that are on and off.
    What I see happening is not listed.
    Reason for contacting Engel's.
    But right now, their web site e-mail is not working for me.

    I have not given up.
    Not in my nature.
    -------------
    Now there is a gathering coming up next month.
    The Akula II does not look like it will be running.
    And there is my Skipjack.
    I happens to be all apart on my kitchen table.
    Last time out, I ended up with water in the cylinder.
    Turns out, I was a fault because I didn't follow my pre run check list.
    I ended up causing a negative pressure in the cylinder that pulled water past the main propeller shaft seal.

    But while the boat is apart, I thought I would look for a better water pump. (more volume)
    Found one and waiting for it to arrive.
    And the testing will start again.
    SSBN 598 - blue/nuke trained IC/forward

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