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Offline Tom Jessop  
#1 Posted : 04 May 2015 11:49:00(UTC)
Tom Jessop

Australia   
Joined: 14/12/2002(UTC)
Posts: 800
Location: Newcastle NSW Australia


While looking thru a heap of catenary that I have brought on epay over the last few years I found 2 different types of M7525 catenary arm . One has a steel backing plate which goes onto the mast while the other is considerably smaller & has a nylon or clear plastic backing plate . The distance that the second holds the pick up wire away from the mast is less than what the all steel one does . Would "M" have changed spec's for this item or could it be another brand , there are no manufacturer's marks on either .


Cheers Tom in Oz .
Tom Jessop attached the following image(s):
20150504_164341_resized.jpg
Offline Shamu  
#2 Posted : 05 May 2015 04:41:41(UTC)
Shamu

Australia   
Joined: 12/07/2011(UTC)
Posts: 1,068
Location: In a building site in Yeppoon
Can't help but to save downloading....

Shamu attached the following image(s):
Catenary Arm Crop.jpg
Sad when its cheaper to buy a new 29640 starter set from Germany than a CS2 on its own in Oz, welcome to the joys of Marklin down under .
thanks 1 user liked this useful post by Shamu
Offline Tom Jessop  
#3 Posted : 05 May 2015 07:27:38(UTC)
Tom Jessop

Australia   
Joined: 14/12/2002(UTC)
Posts: 800
Location: Newcastle NSW Australia

Today I compared the mast's that I have & found that earlier ones made by "M "are different from the newer ones prior to manufacture changing . the older ones have a much bigger base . Apparently the larger 7525 fits on the older mast & the smaller with the plastic parts will fit on the newer bases . The older base only has 2 fitting points for the catenary where as the newer has 4 .
Offline mike c  
#4 Posted : 05 May 2015 08:52:00(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,880
Location: Montreal, QC
This is what I found when searching for Maerklin 7525: http://www.wedero.de/mae...hoer/07525/07525_m_m.jpg

The one pictured on the left in the original post does not look 100% like Maerklin to me. I do not recall the plastic hook for the top of the catenary line.

Regards

Mike C
Offline Rocca  
#5 Posted : 05 May 2015 10:21:41(UTC)
Rocca

Italy   
Joined: 28/01/2004(UTC)
Posts: 615
Hello Mike and everyone here,

Yes, you're right. I've checked the database in Märklin Collection Programm on my pc and the orginal is only the second arm. This is the first version (Leitungsträger aus weißlich-transparentem Kunststoff) produced in 1970-1997 and the second ones (Leitungsträger aus grünem Kunststoff) produced in 1998-2004. Then you have only the new Märklin Catenary System.

Best regards
Stefano Rocca


Originally Posted by: mike c Go to Quoted Post
This is what I found when searching for Maerklin 7525: http://www.wedero.de/mae...hoer/07525/07525_m_m.jpg

The one pictured on the left in the original post does not look 100% like Maerklin to me. I do not recall the plastic hook for the top of the catenary line.

Regards

Mike C


Offline Tom Jessop  
#6 Posted : 05 May 2015 12:42:26(UTC)
Tom Jessop

Australia   
Joined: 14/12/2002(UTC)
Posts: 800
Location: Newcastle NSW Australia
Some photos , I have 2 boxes of different masts the wide flat box is printed in 1970 & the contents are 5 masts which have a very open lattice work on them , these masts have a very large base on them 3 cm x 2 cm & 1 cm high , they also have only 2 position brackets on them . The second box is square , printed in 1994 & contains a more delicate style of mast with a petite base about 2cm x1 cm & .5 cm high , they have 4 position brackets on them . Only the larger bracket will fit on the first mast [ open lattice ] & only the small transparent bracket will fit on the petite mast .


As variant 1 in Mike C post is the same as some of my brackets but variant 2 is smaller than the other brackets that I have but both are the same size . Could Electrotren be the maker of the transparent brackets as they produced catenary exactly the same as "M" . This then leaves us with what is the story behind the larger variety of bracket which has a retaining spring device built into it ? This large bracket is 4.5 cm long but the smaller one is only 3 cm long .


Cheers Tom in Oz probably on a wild goose chase .
Tom Jessop attached the following image(s):
20150505_150426_resized_1.jpg
20150505_201244_resized.jpg
20150505_201305_resized.jpg
Offline mike c  
#7 Posted : 05 May 2015 19:06:52(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,880
Location: Montreal, QC
I was wondering whether Maerklin ever made a version of the "Ausleger" that was designed to connect to signals or power sections. that would possibly explain the bare metal extension on the arm in the photo?

Regards

Mike C
Offline Tom Jessop  
#8 Posted : 07 May 2015 04:42:17(UTC)
Tom Jessop

Australia   
Joined: 14/12/2002(UTC)
Posts: 800
Location: Newcastle NSW Australia
http://i1278.photobucket...DSC_4006_zps85338277.jpg

http://www.ebay.com.au/i...&hash=item2edf965c86

These are on epay at the moment along with other assorted catenary in some of his other ads .


Cheers Tom in Oz
Offline Tom Jessop  
#9 Posted : 07 May 2015 09:56:58(UTC)
Tom Jessop

Australia   
Joined: 14/12/2002(UTC)
Posts: 800
Location: Newcastle NSW Australia
I have found the answer to my query re 7525 brackets . I have been looking thru my old catalogues starting at 1959 & found the large all metal bracket is actually M7025. This appears in the catalogues up to 1969 , I don't have a 1970one but n the large format 1971 catalogue the bracket is found as M7525 with the insulators moulded in place on the arm in greenish plastic . if someone has a 1970 book this may solve part of the query as to when they changed if 1970 or 71 . Also the tower masts have changed at the same time from the over scale lattice to the more petite lattice . The only other problem is the 2 variations of the M7525 where some are in clear plastic . When did this occur /

Thanks for all the help given .

Cheers Tom in Oz .
Offline mike c  
#10 Posted : 08 May 2015 05:32:40(UTC)
mike c

Canada   
Joined: 28/11/2007(UTC)
Posts: 7,880
Location: Montreal, QC
So, there are three variants of this item. I guess that the older ones are not compatible with the newer masts as the hooks seem to be at a different height and spacing.
Did you have the newer or the older versions?

Regards

Mike C
Offline Tom Jessop  
#11 Posted : 08 May 2015 06:02:54(UTC)
Tom Jessop

Australia   
Joined: 14/12/2002(UTC)
Posts: 800
Location: Newcastle NSW Australia


Not sure if I am lucky or not , I have both series but I need more so when we visit Eurospoor in October I will have to keep my eyes open & brain working to make sure that I get the right brackets for which ever masts I find . I have no problem with which masts as I need 2 areas to have brackets fitted . Will also be looking out for the Bolts & nuts used for joining the catenary mid span but I should be able to get these at a machine shop here in Oz .


Cheers Tom in Oz
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