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east tx skier 10-12-2005 10:55 AM

Custom Jump Seat Project -- Prostar 205
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Okay, so for the last couple of years, I've been searching for an OEM jump seat for the walk through of my 93 Prostar 205. MC sure must not have sold many of these because I've only seen a picture of one of them apart from the 93 brochure. For the last year or so, I've been making do with a SN jump seat I picked up second hand. It's functional, but shorter than the observer seat in my boat. Okay, I'm anal and it just doesn't look perfect.

So in April, I had an idea. If they don't make the OEM seat anymore, maybe I can still get the skins and work backwards. I was right. Lex at Rambo Marine got me the OEM skins (with accent color on the seat back). In the box they remained until I had some spare time.

Last week, I built a base and had the skins stuffed. I made it from plywood. Using the seam dimensions and the dimensions of the walk through and observer seat, I cut the sides first and added a frame for support afterwards. I had to do some trial and error with the backrest angle. I wasn't true to the design of the original seat completely. Rather, I added a step on the bow like a smaller version of the 197. I also hinged the seat back, so I could store a cooler under it, as well as the seat bottom (so people wouldn't step on the cushion when they go up to the bow. I put some extra support under the seat base, added a plywood top, and covered it in non-skid. I also added a pair of cupholders (only one pictured). The curve on the base was tricky. Stacking plywood would cause it to be heavier than it already was. So I sandwiched 3/4" pieces of styrofoam insulation. As I feared though, contact cement eats styrofoam. So I remembered, if you can't duck it, fu..ggitabout it. ;) I wrapped my sandwiched foam in duck tape and cemented that to the side piece to get the right contour. It's purely for show and bears no load.

All in all, it turned out better than I expected. If anyone is interested, I can get the dimensions.

It wasn't cheap though. The skins alone were $220. Foam was another $25. Wood, cupholder inserts, marine carpet, non-skid, hinges, etc. It all adds up. In the end, I gotta say it's worth it for me.

east tx skier 10-12-2005 10:57 AM

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Just enough room for our small cooler. The integrated cooler just sounded like a hassle. Access to the people in the bow didn't work out either. Just couldn't get the hinged piece to gel.

east tx skier 10-12-2005 10:58 AM

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Here's the step. No more stepping on the seats and no more asking people not to step on the seat. Just flip it and they get the idea. Now the problem becomes how to remind them that they can't do dips on a circa 93 windshield. ;)

east tx skier 10-12-2005 11:00 AM

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Just a little view from the top. I initially planned to shoehorn one cupholder into this rather small panel. My wife complimented my handy work and added, "Where's yours"? So I installed the second one last night. It's driving me nuts they they didn't end up being as symetrical as I'd like, but I'll live. Also, I still have some trim work to do around the hinges.

east tx skier 10-12-2005 11:01 AM

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Last one. This is the view from the bow. A rather small carpeted step. Any bigger and I'd need a crew to take it out. Wood is heavy, but it works well and is strong.

bcampbe7 10-12-2005 11:12 AM

Looks great Doug :cool:

east tx skier 10-12-2005 11:15 AM

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Thanks, unfortunately, since things got a little "Texas cold" last weekend, I couldn't get more than 1 person to come skiing with me. :(


By request. These are the dimensions that I used to get started. I had to trim things up in the end, but hopefully, this will make a good template for someone.

erkoehler 10-12-2005 11:15 AM


Nice work! Looks good, and as close to OEM as you can get.

furevo 10-12-2005 11:16 AM

If that law thing doesn't work out, maybe you could learn 'tuck & roll' too

Kevin 89MC 10-12-2005 11:20 AM

Doug, excellent work! That really looks great! :toast: You have the best of both worlds - bow access when needed and a wide bench for optimum viewing. Very cool! I've been thinking of doing something similar (only easier) for a jump seat behind my driver's seat - my closed bow has very little seat space when skiing. Maybe I'll hire you! Any chance you'd sell the SN seat? ;)

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