[PSUBS-MAILIST] measuring an angle issue

Wed Jun 26 15:48:38 EDT 2019

 David,I have not ordered my dome yet, I just had it designed and quoted so far.  Your still ahead of me ;-)  Yes I would appreciate it if I can use your OTS.  My coms are working but I don't want to risk them failing and having nothing.  Also it will be nice to tell Cliff to turn his damn lights off LOL  Hank
    On Wednesday, June 26, 2019, 12:33:39 PM MDT, David Colombo via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Hi Hank, Are you getting your dome before me? First its the Pisces VI, now your sub, no wonder I waiting till September to get my 30" domes. Hey do you still need the OTS rig for your boat? Mine is available, Just need to order a cable. Let me know.
Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com

On Wed, Jun 26, 2019 at 10:49 AM hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 E3000 is going from 6 inch conical to 12 in domeHank
    On Wednesday, June 26, 2019, 11:43:35 AM MDT, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Which boat is this mod on, Gamma or E3000?

Sent from my iPad
On Jun 26, 2019, at 12:22 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

 Cliff,Thanks' probably the best idea.Hank
    On Wednesday, June 26, 2019, 10:47:09 AM MDT, Cliff Redus via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

  If it were me I would just calculate based on trig.  Before you bore out to 12" measure the depth difference between the inside and out side edges of the seat and call this a.  Measure the inside and outside diameters before boring and designate b as the difference in diameters /2.  Angle would be arctan (a/b).
Cliff
    On Wednesday, June 26, 2019, 10:57:18 AM CDT, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:  

 Hi All,  I am planing to remove my original conical port and instal a dome on the original conical seat and bore the centre out of the original seat to get 12 inches of open view.  Will Cohen is making the dome for me.  My problem is, I have to measure the seat angle to within 1\4 of 1 degree.  How can I measure this angle without buying an expensive digital protractor?  I thought about just measuring the distances of the angles and just do the math, but it is pretty tricky to measure.Hank_______________________________________________
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