[PSUBS-MAILIST] next project

Wed Jul 25 03:43:48 EDT 2018

 Rick,I did not use the arm and I thought I had a problem but didn't actually.  I had the pressure set too high on the first stage regulator causing the second stage regulator to bypass.  I thought the regulator was shot and figured I would just let the actuators flood and fix it when I returned home.  I discovered what happened and turned down the pressure and the second stage regulator was fine.  I expected the arm to stop working because Cliff and I did a 286 foot dive with no air to the arm.  Well to my surprise the arm worked just fine even after being so deep without air compensation.  The arm worked for the week and when I returned home I tore the actuators down expecting a ton of water to come out and amazingly there was only about a teaspoon of water in each actuator.  I dried them out with air and rinsed them out with WD-40 and they are good to go.  My plan is and always was to oil compensate them, that is why I have a makeshift  air supply set up.  A friend has a single air bag from a suspension system for me and I will use that full of oil to allow the actuators to open and close freely.Hank
    On Tuesday, July 24, 2018, 7:46:30 PM MDT, Rick Patton via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Hank, did you use your electric manipulator when in Lake Tahoe and if so how did it work?Rick 
On Tue, Jul 24, 2018 at 5:56 PM hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Alan,I am using 12v valves from air suspension systems.  They are cheap, well free in my case and they work great.  I will use them un-modified to get me through the dive season.  I plan to mount them in oil filled housings over the winter, since I need them for E3000 as well.Hank
    On Tuesday, July 24, 2018, 6:31:55 PM MDT, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Hank, ( genius)what sought of solenoid valves are you going to use?They are great on my sub, all the buttons on one small controller, butI aren't happy with my modified solenoids as they are a bit vulnerableto corrosion.Have done some drawings of a solenoid valve based on a pneumaticallyoperated top hat valve.Alan 

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On 25/07/2018, at 12:04 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

I am really tired of Gamma doing this wierd lean when I sink, it is not consistent.  My next project is to add solenoid vent valves to cure this problem.  This will be a real easy job and quick to install.  Gamma will be out of Quarantine in a week so I need to have these things done.  I am trying to get permission to dive in Lake Louise in the Banff National Park.  Hank

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