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 Post subject: Are holes for the pedestal base sleeved?
PostPosted: Sat Dec 13, 2008 8:56 am 
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I am replacing the pedestals on my boat with shock mitigation posts.

When I removed the stock pedestal base, the screws appeared to be machine screws, fine thread. They are a nice snug fit and I just cant imagine they are getting that good a bite on the wood.

Anyway, I am thinking there might be some sort of threaded sleeve down in those holes that provide the expansion and bite. I can't see any but the holes are a good 2" deep.

Anyone know for sure?

Since the holes on the new pedestal do not quite line up with the old holes, I have to treat and fill the old holes and drill new ones. Should I use the same machine type screws or use a standard SS wood screw.

PS. There is absolutely no adhesive or caulk under the existing pedestal.

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 Post subject: Shock Mitigation Post
PostPosted: Sat Dec 13, 2008 9:49 am 
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I am interested in your project, I installed a bulkhead second station and may install a pedestal seat to operate the boat from the cockpit. I was wondering what kind of screws it would take to hold it in place. I first thought it would be in the way but after thinking about it I realize I would be able to use it as my fishing seat also. My question is, what are shock mitigation posts? Good luck with your project

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PostPosted: Sat Dec 13, 2008 12:28 pm 
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If the screws that came out are a machine thread, there is most likely an insert that they screw into.
Awhile back on another post, Dale posted a photo of machine screw inserts for someone who was installing radar (I think). If I can find that post, I'll link back to it.

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 Post subject: Re: Shock Mitigation Post
PostPosted: Sat Dec 13, 2008 2:26 pm 
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ppem45 wrote:
My question is, what are shock mitigation posts?


It's a seat post that has an air shock and coiled spring in the post tube.

It's supposed to absorb the impact from pounding.

I've taken some significant hits to my lower back and I was looking for some relief.

Try This;

http://www.seaspension.com/why_buy.html

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PostPosted: Sat Dec 13, 2008 3:00 pm 
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Location: staten island ny
the pedestal seat have a backing plate under the floor


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PostPosted: Sat Dec 13, 2008 3:13 pm 
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THEGAME wrote:
the pedestal seat have a backing plate under the floor


Makes perfect sense. Probably drilled and tapped for those machine screws.

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PostPosted: Sat Dec 13, 2008 3:17 pm 
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yes i beleave therr molded in to the glass but they are there so redrilling wont work


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PostPosted: Sat Dec 13, 2008 5:06 pm 
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THEGAME wrote:
the pedestal seat have a backing plate under the floor



Ruhh Rohh.... :(

Nothing's ever easy :(

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Last edited by TheOtherLine on Sat Dec 13, 2008 10:00 pm, edited 1 time in total.

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PostPosted: Sat Dec 13, 2008 5:11 pm 
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THEGAME wrote:
yes i beleave therr molded in to the glass but they are there so redrilling wont work


In that case, I would have a thick/strong enough plate with the same bolt-circle as the molded-in plate, and of similar metal, welded to your new base. You could use your original pedestal as the template, or call Parker for the circle diameter. Your measurement will probably indicate a nominal diameter. Jim


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PostPosted: Sat Dec 13, 2008 6:14 pm 
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On my (non-Parker) those machine screws fed into T-Nuts:
Image

You might check w/ the factory before you assume there's a plate under the base that you can re-thread to your new base.

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PostPosted: Sat Dec 13, 2008 10:05 pm 
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jeffnick wrote:
You might check w/ the factory before you assume there's a plate under the base that you can re-thread to your new base.


Yep. I think I will. I was hoping to get it done on Sunday but it looks like I'll have to delay that.

Putting a backing plate under the deck sounds a little work and time intensive. These are production boats and I can't imagine Parker going through all that trouble, but maybe that's why they have the good reputation that they do.

I'll report back when I get an answer.

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PostPosted: Sun Dec 14, 2008 7:10 pm 
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mark the new hole pattern (as long as the diameter is the same or close), drill it, tap it, bolt it on......done..........don't forget to seal holes this time around.


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PostPosted: Mon Dec 15, 2008 5:19 pm 
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I wrote to Robin at the factory and got this speedy reply!

The pedestal is fastened down with machine screws.
There is a 12" X 12" aluminum plate that is laminated to the underside of
the floor. We drill through the plate and then tap threads into the plate to
secure the screws into. If your hole pattern does not match the existing
holes, they can be filled and you can drill and tap new holes for your
pedestal.


Problem solved. Now we know.

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PostPosted: Mon Dec 15, 2008 5:47 pm 
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You know that is the one thing that sold me on buying a Parker. Someone that owns the place who isn't afraid to talk to past customers, even if it is purchased second or third hand. :shock: Yeah there are other boat manufacturers who probably do it to, but I like what I have seen so far.

I spent 30 years with manufacturers as a rep, and always tried to help those who purchased products made by the companies, even to the point of looking up bill of materials and blueprints from the archives to have the prototype shop build some "one off" samples of obsolete items for a customer 8)

I have been throughly impressed with the help that I have gotten from the great folks in Beaufort, and everyone here at CP.

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PostPosted: Mon Dec 15, 2008 8:10 pm 
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grouperjim wrote:
.........don't forget to seal holes this time around.


:shock: What holes did I forget to seal up? :shock:

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PostPosted: Mon Dec 15, 2008 8:28 pm 
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The Otherline said

"PS. There is absolutely no adhesive or caulk under the existing pedestal."

Could this be to what is being referred? :? :)

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PostPosted: Mon Dec 15, 2008 9:09 pm 
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Project done. Will let you know how well it works if I can get the boat out this weekend.

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PostPosted: Mon Dec 15, 2008 9:11 pm 
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TheOtherLine wrote:
Project done. Will let you know how well it works if I can get the boat out this weekend.


No project photos?! :shock: :)

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PostPosted: Mon Dec 15, 2008 9:14 pm 
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Megabyte wrote:
TheOtherLine wrote:
Project done. Will let you know how well it works if I can get the boat out this weekend.


No project photos?! :shock: :)



YES! you have our interest :) Details PLLlleeeaaassee :D

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PostPosted: Tue Dec 16, 2008 9:21 am 
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TheOtherLine wrote:
Project done. Will let you know how well it works if I can get the boat out this weekend.


WTG.......can't wait to check it out. 8)


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PostPosted: Tue Dec 16, 2008 4:32 pm 
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I'll post the photos when I get her out this weekend.

I Would like to get the Admiral to shoot video. All I have to do is talk her into sitting on the cabin floor and suffer the waves while I'm sitting on the Seaspension seat! :wink:

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PostPosted: Tue Dec 16, 2008 4:58 pm 
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TheOtherLine wrote:
I Would like to get the Admiral to shoot video. All I have to do is talk her into sitting on the cabin floor and suffer the waves while I'm sitting on the Seaspension seat! :wink:



Let us all know how that works for ya! :shock:

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PostPosted: Fri Dec 19, 2008 10:28 pm 
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Well, I know Kevin asked for some project photos but this was such a simple install, there really wasn't much to take pictures of.

I was able to line up all the holes in the deck with the holes on the new pedestal base. The instructions call for the marks inside the tube to be facing at 3 and 9 o'clock. Pedestal wouldn't line up with the existing holes at that position. Had to settle for 2 and 8 o'clock.

I had the boat out late today, just running around, and I couldn't say there was a big difference but it was pretty calm out there today.

I'll report back when we've got some chop to run in...

The stock post foot rest won't fit because the bushings in it are designed for a 2 7/8 in post. The post on this seaspension is 4". Had to order new thinner bushings. The manufacturer says not to use a post mount foot pedestal but....I like mine too much to give it up. We'll see.


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