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Old 02-04-2021, 12:31 PM   #1
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mainship 400 stair lift shocks project

Hello All
My wife and I purchased a 2006 MS 400 last year I was wondering if anyone had installed lift assist shocks on your stairs. If so what type did you use and what mounting location angle worked for you i would appreciate any advice.
Thanks Len
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Old 02-04-2021, 10:02 PM   #2
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Stairway lift

Hi Alan here: I just put a gas lift on and love it. Moved the microwave down there for more storage in the cabinet. Used wholesale marine , 60 lb lift 20” , works well , but does not hold up right completely as still use bar but assists well . S-d-321486-1 and s-d 321583-1 on port side of stairway. Any other questions just email or text me
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Old 02-05-2021, 04:11 PM   #3
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Hello Alan
Thanks so much for the help I ordered the parts you suggested last night
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Old 02-05-2021, 04:41 PM   #4
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Engine Access Door

Has anyone by any chance installed a gas lift on the floor engine access door?
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Old 02-09-2021, 11:59 AM   #5
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Quote:
Originally Posted by Skipjack99 View Post
Has anyone by any chance installed a gas lift on the floor engine access door?
That's not a bad idea Skipjack, let me know if you decide to tackle it.

BTW, where on the Chesapeake is your homeport? I am in the Sassafras River.

Gary
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Old 03-05-2021, 05:14 AM   #6
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Quote:
Originally Posted by Alan Mainship View Post
Hi Alan here: I just put a gas lift on and love it. Moved the microwave down there for more storage in the cabinet. Used wholesale marine , 60 lb lift 20” , works well , but does not hold up right completely as still use bar but assists well . S-d-321486-1 and s-d 321583-1 on port side of stairway. Any other questions just email or text me


Forgive me if this question reveals a bit of my nautical naivety. Port side looking toward bow? Or port side looking toward stern?
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Old 03-05-2021, 07:15 AM   #7
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Quote:
Originally Posted by Bay Retriever View Post
Forgive me if this question reveals a bit of my nautical naivety. Port side looking toward bow? Or port side looking toward stern?
Not to be smart but in fact port side is port side - whether you are looking fwd, aft, abeam, or at the sky.

Port side is the left side of the boat when looking forward - which is what, I'm guessing, you really meant to say.
The easy way to remember is Port - Left both 4 letters (looking fwd assumed) and port wine is Red so the Red Nav light on a boat is on the Port side.
Class dismissed - but if you weren't sure I'm glad you asked.
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Old 04-21-2021, 11:33 AM   #8
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Quote:
Originally Posted by Alan Mainship View Post
Hi Alan here: I just put a gas lift on and love it. Moved the microwave down there for more storage in the cabinet. Used wholesale marine , 60 lb lift 20” , works well , but does not hold up right completely as still use bar but assists well . S-d-321486-1 and s-d 321583-1 on port side of stairway. Any other questions just email or text me
Hi Alan, I have the gas springs and brackets ready to go, but wasn't sure where to mount everything. Do you have a photo of where you mounted the brackets or perhaps dimensions?

Thanks!

Gary
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Old 04-21-2021, 07:06 PM   #9
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Gary: I will take pics and get measurements next week when I get to boat and email you and also put on forum, as there is some interest in project from members.
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Old 05-06-2021, 11:55 AM   #10
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gas assist stair project

I cannot get pics to download, so I will try to write and explanation. If this is not sufficient I will keep trying but so far 1 hour in and no download.

I cut a 4 inch by 1and 3/4 inch board for the bottom gas assist to attach, it is located 32 inches off the floor and 16 inches from the stern wall., and 4 inches from the floor above. Use (4) 2 and 1/2 inch stainless steel pan screws with a flat washer to attach box to wall. Then attach lower section of gas assist to center of block.

Attach the upper end of gas assist to first step 3 and 1/2 inches toward bow and 4 inches from top of step. AT this the gas assist cylinder is 20 and 1/2 inches long.

Hope this helps. If anyone can tell me how to get photos on forum I would appreciate, as I used ( how to add photos to a post) and it did not work for me .
Thanks
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Old 05-06-2021, 04:40 PM   #11
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You can come up with the closed and throw lengths yourself and use the order form at industrialhardwaredirect.com to get some. At 20 bucks a throw, you can afford to do a little experimenting. I upgraded from 100 to 150 and finally to 200 psi for my engine hatch to which I added some heavy Sounddown.
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Old 05-07-2021, 07:12 AM   #12
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To add a photo click “Manage Attachments “ and from the box that pops up click one of the buttons to select the photo. Then you also need to click “Upload” and it will be added to your post. Then select “Close Window” and you can add more text or preview the post or send it.
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Old 05-13-2021, 09:00 AM   #13
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Pictures and drawings of stair lift

Hello all: Hope this works! A sincere appreciation to all who helped me figure how to upload photos. You are the best. Many thanks for all the knowledge on the mainship 400. Fun boat to restore😎
Attached Thumbnails
32C6C823-9079-4E40-B79C-7C75D52B0A43.jpg   4BFD0765-8E6B-451A-8C09-85A3D7EEA31F.jpg   F2A006B1-3BB7-4A70-A94D-5B7C7B520AF9.jpg   BFF10121-9A49-4D61-9FC1-BBDE9EFA5BF2.jpg   58B1D465-229A-43D7-A04E-E1495C9AE817.jpg  

8508C877-698D-4A22-9743-A21182E170D8.jpg  
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Old 05-13-2021, 02:31 PM   #14
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A picture is worth 1000 words!!
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