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Plunger dual seat

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Plunger dual seat

Posted by paul_nicholls at March 04. 2018

Hi I've been looking at putting a dual seat on my plunger norton which will make longer journeys more comfortable. More wriggle room.

I have seen in photos an aftermarket seat in the day.(Britax?) Is there anyone out there still making them or if a seat base is around for a pattern.

I was looking at a BSA plunger dual seat with the thought of modifying the mounts?

Anyone done this?

Paul

Re: Plunger dual seat

Posted by jonathan_newton at March 09. 2018

Previously paul_nicholls wrote:

Hi I've been looking at putting a dual seat on my plunger norton which will make longer journeys more comfortable. More wriggle room.

I have seen in photos an aftermarket seat in the day.(Britax?) Is there anyone out there still making them or if a seat base is around for a pattern.

I was looking at a BSA plunger dual seat with the thought of modifying the mounts?

Anyone done this?

Paul

I have a full length seat on my plunger norton. I believe it to be off a bsa but can’t really tell.  It does offer a better ride for long distance but sits fairly high as it has to hold line from the top of rear mudguard through to cut out in tank for the “nose”. A sprung saddle sits lower...  will post a picture of it tomorrow. 

Re: Plunger dual seat

Posted by svein_marken at March 13. 2018

Hello,I have a Feridax aftermaarket seat base in exellent order if of interest.

Regards from Svein.

Re: Plunger dual seat

Posted by jonathan_newton at March 13. 2018

Previously paul_nicholls wrote:

Hi I've been looking at putting a dual seat on my plunger norton which will make longer journeys more comfortable. More wriggle room.

I have seen in photos an aftermarket seat in the day.(Britax?) Is there anyone out there still making them or if a seat base is around for a pattern.

I was looking at a BSA plunger dual seat with the thought of modifying the mounts?

Anyone done this?

Paul

 

Attachments

Re: Plunger dual seat

Posted by jonathan_newton at March 14. 2018

Adding pictures....  what fun

Re: Plunger dual seat

Posted by jonathan_newton at March 14. 2018

The  "Add another Attchment "  function does not....

 

Can  some one advise or repair or remove please 

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Re: Plunger dual seat

Posted by jonathan_newton at March 14. 2018

I  couldnt  reduce  file size on IPad so   revered to  Black  and  white... Still a  prob  so  i  foerrwarded to a machine  with  MS and  resized,  appologies  for  B&W.

 

 

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Re: Plunger dual seat

Posted by jonathan_newton at March 14. 2018

If  you want to see the base or the interface with the tank it  will have to  be the  weekend...

Attachments

Re: Plunger dual seat

Posted by jonathan_newton at March 14. 2018

Here is the machine as found, I have recovered the seat,  but  due to the  height will look to reduce the foam thickness.  As  you will notice it is pretty much non standard  but has been in this  trim for more than 50 years.  The tool box houses a  battery and the frame is a 48 plunger Inter.  The rest of the 37 bike looks to have been built into it.  Off the road this  winter for some engine repairs.....

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Re: Plunger dual seat

Posted by david_gibson at March 14. 2018

Hi Paul

i have a 1949 plunger ES2. My wife decided that she wanted to do the Irish National Rally with me three years ago,  and I picked up an old plunger BSA A7 seat (£10), which, together with a standard B series/gold star rear seat bracket from Gerge Prew, fitted a treat.....and sat nicely in line into to rear indent in the tank. Two strips of steel from B&Q made the front brackets and the seat flowed in line with the tank, not sitting above it, great for my 5'4''! Have refitted my spring saddle for comfort until the boss wants another trip. I road to the ' Irish' from Guildford last year and did the rally at 150miles a day for four days and rode home, using the sprung three cornered saddle...very comfy.

Re: Plunger dual seat

Posted by paul_nicholls at March 14. 2018

Previously jonathan_newton wrote:

Here is the machine as found, I have recovered the seat,  but  due to the  height will look to reduce the foam thickness.  As  you will notice it is pretty much non standard  but has been in this  trim for more than 50 years.  The tool box houses a  battery and the frame is a 48 plunger Inter.  The rest of the 37 bike looks to have been built into it.  Off the road this  winter for some engine repairs.....

Thanks Jonathon

Yes that is the sort of thing I was getting at. My single seat sits higher than that. On purpose because I'm tall and it suits my riding.

Paul

Re: Plunger dual seat

Posted by jonathan_newton at March 14. 2018

Previously paul_nicholls wrote:

Previously jonathan_newton wrote:

Here is the machine as found, I have recovered the seat,  but  due to the  height will look to reduce the foam thickness.  As  you will notice it is pretty much non standard  but has been in this  trim for more than 50 years.  The tool box houses a  battery and the frame is a 48 plunger Inter.  The rest of the 37 bike looks to have been built into it.  Off the road this  winter for some engine repairs.....

Thanks Jonathon

Yes that is the sort of thing I was getting at. My single seat sits higher than that. On purpose because I'm tall and it suits my riding.

Paul

OK then it should be fine Paul. It does give  wiggle room which can be a problem on a saddle if you are a spirited  rider.   The restriction to lowering the pan of mine is the hight of the tool box.  I must revisit  that..... 

Nose connection to  frame is simply two  pieces of flat picking up the original frame connection;  the rear connects to a cross tube just in front of the high point of rear mudguard.

 I'm sorry to say I threw one out (unknown origin) some weeks ago as it was quite rusty and too big for the sand blaster :(

 

Best  regards

Jon

Re: Plunger dual seat

Posted by paul_nicholls at March 18. 2018

Jonathan

I see your problem with the toolbox. That is one off a swinging arm ES2. Mine has the triangular one that mounts in front of the plungers.

Paul

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Re: Plunger dual seat

Posted by Dan Field at March 19. 2018

I’ll be happy to buy the tool box if you get another!

Re: Plunger dual seat

Posted by jonathan_newton at March 19. 2018

Previously Dan Field wrote:

I’ll be happy to buy the tool box if you get another!

Noted Dan... 

 

Cheers

J

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