[PSUBS-MAILIST] RESPONSE TO EBAY SEAL

[hank pronk via Personal_Submersibles]

Roberto,
I would use a regular water pump seal because the performance is well established.  My submarine Had a Chesterton 891-8 mechanical seal and was ABS certified to 1,000 feet.  Go with proven parts.  I thought the K250 has a rear motor pod with a spring loaded mechanical seal.  You don't need a pressure tank.  Build the system so you can cap the propeller shaft tube and pressurise it. If you look at my project page, Gamma Restoration, you can see how I pressure test the seal assembly. You can also see the 155 seal, I have since upgraded to a magnetic coupler.
Hank    --------------------------------------------
On Sun, 11/16/14, roberto alvarez via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Subject: [PSUBS-MAILIST] RESPONSE TO EBAY SEAL
 To: personal_submersibles at psubs.org
 Received: Sunday, November 16, 2014, 2:48 PM
 
 Hi i cant
 edit the subjet line when reply, i follow the auction and
 found that i have several mechanical seals , i use them on a
 water pump that work on a 40 meters water column, so if i
 have to machine a housing for the 155, then  build a
 housing for this ones will be fine for me, will search for
 more info and will build a test tank to know the pressure
 that can resist
 the kawasaki jet ski´s have a mechanical seal that
 are mounting on a housing . 
 so, think in build a pressure tank to simulate the
 external pressure, the k 250 plans still on the mail
 somewere betwen the sender and baja california border town
 wirh calexico so i an studing all the options
 
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