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* THE FORUM FOR ALL THOSE INTERESTED IN BUILDING AND OPERATING MODEL SUBMARINES *



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*2021 AND SOME EVENTS ARE BEING PROPOSED. Keep them coming and let us know the details!

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(CANCELLED in 2020) Submarine, Boating & Sailing Weekend, Norwich MBC, Weekend of 25,26th July

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Bournville Sub Day. Sept 2021 is looking likely. More details TBA.

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Barrow in Furness Regatta and Sub day. Maybe in Sept 2021. Details TBA.

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Statistics

Our users have posted a total of 11315 messages in 1859 subjects

We have 889 registered users

The newest registered user is armchairsubguy

    Alexander Engel Gato

    Giovanni LiCalsi
    Giovanni LiCalsi
    Guest

    Posts : 170
    Join date : 2010-11-15
    Age : 70
    Location : Alameda, California, USA

    Alexander Engel Gato Empty Alexander Engel Gato

    Post  Giovanni LiCalsi Sun Jul 24, 2011 7:47 pm

    I just bought an Engel Gato less the WTC accessaries.
    Is anyone building this model now?
    A friend of mine bought the kit and then found a completed build Gato and decided to sell me the Gato.I got a fabulous deal on price and we will be able to sail in full force.
    The WTC box has been epoxied into place but I am cutting and removing it to use a polycarbonate WTC pipe.I am machining a 4" diameter x 3/8" wall thickness X 12" length aluminum tubing for a center position piston ballast tank.The wall thickness will be drilled ala gun rifled with 30 bores length-wise in the center of the wall thickness and an o-ring groove machined on the end-edge outer edge for sealing the polycarbonate tube end to end.The piston drive motor is a brushless motor with a threaded hollow-core shaft for driving the piston rod and the motor is perfectly centered in the polycarbonate tube.I have someone building the digital electronic controller.I am using a Hall's Effect Timken encoder that mounts on the backside of the piston drive motor that accounts for the speed and position of the threaded piston rod.The two ends of the polycarbonate tubes will use the Norbert Bruggen aluminum bajonets.I'm using one Eflite 295KV brushless motor and a 120amp Castle Hydra ESC to drive the two props.The telemetry system will be a Spektrum sensor station with an iPhone plug-in WiFi donlge. This will allow me to check voltage and amps for first-time breakin to make adjustments.
    Regards,
    Giovanni

    Timken Encoder

    Alexander Engel Gato Timken20M1520Magnetic20Modular20Enc


    Last edited by Giovanni on Sun Jul 24, 2011 9:01 pm; edited 1 time in total
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    Tom(ADMIN)
    AMS Forum Owner

    Posts : 3003
    Join date : 2010-11-05
    Age : 61
    Location : Nevada, USA

    Alexander Engel Gato Empty Re: Alexander Engel Gato

    Post  Tom(ADMIN) Sun Jul 24, 2011 7:55 pm

    Sounds good, Giovanni...you and John Robinson should get on well together, he's into telemetry and all that stuff. Me...I have trouble turning a phone on!

    Good luck with the Gato, keep us all up to date with the progress.
    Giovanni LiCalsi
    Giovanni LiCalsi
    Guest

    Posts : 170
    Join date : 2010-11-15
    Age : 70
    Location : Alameda, California, USA

    Alexander Engel Gato Empty Re: Alexander Engel Gato

    Post  Giovanni LiCalsi Sun Jul 24, 2011 8:59 pm

    Telemetry is so simplified now that it just plugs into your reciever for power and transmits back to a receiver anywhere. No more guessing if your battery pack is up to the task.
    Regards,
    Giovanni

    iPod, iPhone or iPad Telemetry Screen

    Alexander Engel Gato Stmri1000_telemetry_interface-1

    Sensor Station Transmitter

    Alexander Engel Gato Spektrum-STi-telemetry

    Receiver Dongle

    Alexander Engel Gato TM1000-500x500

      Current date/time is Thu Apr 22, 2021 12:28 pm