[PSUBS-MAILIST] Jodie B Mods

Wed Jul 24 11:23:13 EDT 2019

The cool thing is they are height-adjustable. Originally my trailer was as
low as James', but I actually raised it a bit because of hitting rocks on
crummy ramps, of speed bumps.

On Wed, Jul 24, 2019 at 10:46 AM David Colombo via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi James, It looks great. I agree with Alec on the torsion axles. Thats
> the direction I am going on my trailer mods.
> Best Regards,
> David Colombo
>
> 804 College Ave
> Santa Rosa, CA. 95404
> (707) 536-1424
> www.SeaQuestor.com
>
>
>
> On Wed, Jul 24, 2019 at 5:23 AM James Frankland via Personal_Submersibles <
> personal_submersibles at psubs.org> wrote:
>
>>
>> Hi All,
>> Some pics of the modifications I have made to Jodie B over the winter.
>>
>> Aft tank access panel so I can easily get to the motor compensation
>> tubes.  I have put 2x long tubes on with a ball valve on the end of each
>> one.  I can now easily fill the motor from above throught the access port
>> and just close the valves.  The long tubes dangle down low and act as the
>> bladders.  I was particularly pleased with the gelcoat work as i had never
>> done this before, and I had to make a flat point out of glass fibre to
>> mount the hatch to and then gelcoat it to blend it into the main tank.
>>
>> [image: 20190722_151833.jpg]
>>
>> Access panel for the O2 tank.  No more scrambling around trying to lift
>> if onto the bracket.
>>
>> [image: 20190722_151844.jpg]
>>
>> Made a glass fibre tube to mount the O2 tank in.  I can now just slide it
>> in and out of the side panel hatch into the tube.  Was getting carried away
>> with GRP work.  My first proper moulded thing.
>> [image: 20190722_151919.jpg]
>>
>> New compensation system.  i took the risk and welded the 90 degree pipe
>> nipple to the top motor casing and welded the bottom one shut.  Ground the
>> connection flush on the inside.  Now there is nowhere for air to trap.  I
>> can fill the motor through the top tube and close the valve.  The valve
>> just connects to a bracket underneath to keep it out the way.  No more air
>> bubbles in the motors.
>> [image: 20190722_152033.jpg]
>>
>> Re-mounted the dome on a 1mm cork\neoprene gasket instead of the EPDM one
>> after Hank did some experiments and found the EPDM to extrude quite a lot.
>> [image: 20190722_152045.jpg]
>> I also made a new super low loading trailer for taking up less room in
>> the workshop.  I was hoping to be able to launch off it, but its not really
>> road legal so i have only used it in the shop so far.  Note there are no
>> proper axles so the bed is lower than the centre wheel hight.
>>
>> [image: Untitled.jpg]
>>
>> Regards
>> James
>>
>>
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>>
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