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foumaro		#1 Posted : 12 December 2011 09:51:18(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		Is the 60901 conversion kit suitable for this loco.I am planning to get two of them for the 3662,i think this great loco deserve a better decoder.
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foumaro		#2 Posted : 12 December 2011 10:14:53(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		Is it possible to keep the decoder and change the two motors or i must change decoder and motors too?
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RayF		#3 Posted : 12 December 2011 10:45:25(UTC) Retweet
Joined: 14/03/2005(UTC) Posts: 15,871 Location: Gibraltar, Europe		Hi Panayotis, The 3662 has a 6080 decoder and the motors are AC DCM. If you change the decoder to a better one with load regulation, acceleration and braking, etc, you will most likely need to change to motors to a DC type. You can do this with a 60901 set or newer equivalent, or just by changing the field magnet to a permanent magnet Hamo type. Just upgrading the motors without upgrading the decoder is not really practical or desirable, in my opinion.
		Ray Mostly Marklin.Selection of different eras and European railways Small C track layout, control by MS2, 100+ trains but run 4-5 at a time.
1 user liked this useful post by RayF		Brakeman
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jvuye		#4 Posted : 12 December 2011 10:53:36(UTC) Retweet
Joined: 01/03/2008(UTC) Posts: 2,883 Location: South Western France		Originally Posted by: foumaro Is it possible to keep the decoder and change the two motors or i must change decoder and motors too? Hi! The decoder is a 6080 as Ray mentionned, and since it was to weak to drive two motors, Märklin added a "booster-board" to drive the twin motors. That board is designed for wire-wound( so called "universal") motors and cannot be used with a 60901 type decoder. If you drive the loco under heavy load, use two decoders, and simply synchronize them using the little potentiometers. Otherwise under light loads, the 60901 can drive two motors, providing everything is mechanically sound in the transmission. Cheers
		Jacques Vuye aka Dr.Eisenbahn Once a vandal, learned to be better and had great success!
1 user liked this useful post by jvuye		Brakeman
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foumaro		#5 Posted : 12 December 2011 10:57:36(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		My problem Ray is the bad acceleration and braking delay.These two characteristics are depending on decoder or on the motors?The loco behave such as have a delta decoder.
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RayF		#6 Posted : 12 December 2011 11:02:37(UTC) Retweet
Joined: 14/03/2005(UTC) Posts: 15,871 Location: Gibraltar, Europe		Originally Posted by: foumaro My problem Ray is the bad acceleration and braking delay.These two characteristics are depending on decoder or on the motors?The loco behave such as have a delta decoder. The acceleration and braking delay is controlled by the decoder, so you definitely need to change it if you want this improvement. I would suggest a lokpilot decoder and changing the motors with Hamo magnets. This is probably the cheapest and easiest way to achieve what you want. I believe one lokpilot can supply enough current for two motors.
		Ray Mostly Marklin.Selection of different eras and European railways Small C track layout, control by MS2, 100+ trains but run 4-5 at a time.
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river6109		#7 Posted : 12 December 2011 11:07:34(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,876 Location: On 1965 Märklin Boulevard just around from Roco Square		Hi Panayotis, By using a 60944 conversion set and 1 ESU lokpilot/Sound decoder you could do a lot with this loco, especially the prototypical light setting. John
		https://www.youtube.com/river6109 https://www.youtube.com/6109river 5 years in Destruction mode 50 years in Repairing mode
		WWW
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foumaro		#8 Posted : 12 December 2011 11:31:00(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		Thank you very much for your help my friends.Now i have to knoe how much i need to pay for all these and if it is something i can afford now i will do it.
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river6109		#9 Posted : 12 December 2011 11:35:24(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,876 Location: On 1965 Märklin Boulevard just around from Roco Square		Originally Posted by: foumaro Thank you very much for your help my friends.Now i have to knoe how much i need to pay for all these and if it is something i can afford now i will do it. The conversion set is € 26.95 each, the decoder Lopi around € 30.00 and the sound decoder around € 100.00-120.00 John
		https://www.youtube.com/river6109 https://www.youtube.com/6109river 5 years in Destruction mode 50 years in Repairing mode
		WWW
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RayF		#10 Posted : 12 December 2011 13:46:19(UTC) Retweet
Joined: 14/03/2005(UTC) Posts: 15,871 Location: Gibraltar, Europe		Originally Posted by: river6109 Originally Posted by: foumaro Thank you very much for your help my friends.Now i have to knoe how much i need to pay for all these and if it is something i can afford now i will do it. The conversion set is € 26.95 each, the decoder Lopi around € 30.00 and the sound decoder around € 100.00-120.00 John If you want to do the conversion with only changing the magnet, Hamo magnets are about 10 euro each from ESU
		Ray Mostly Marklin.Selection of different eras and European railways Small C track layout, control by MS2, 100+ trains but run 4-5 at a time.
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river6109		#11 Posted : 12 December 2011 14:23:51(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,876 Location: On 1965 Märklin Boulevard just around from Roco Square		Originally Posted by: RayF Originally Posted by: river6109 Originally Posted by: foumaro Thank you very much for your help my friends.Now i have to knoe how much i need to pay for all these and if it is something i can afford now i will do it. The conversion set is € 26.95 each, the decoder Lopi around € 30.00 and the sound decoder around € 100.00-120.00 John If you want to do the conversion with only changing the magnet, Hamo magnets are about 10 euro each from ESU If you go with the hamo magnet you may find the 2 motors may draw too much current and one decoder may not be enough. So a quick calculation with a possible scenario 2 hamo magnets = € 20.00, 2 decoders € 60.00 = € 80.00 2 conversion sets € 54.00 + decoder € 30.00 = € 84.00. John
		https://www.youtube.com/river6109 https://www.youtube.com/6109river 5 years in Destruction mode 50 years in Repairing mode
		WWW
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foumaro		#12 Posted : 12 December 2011 15:29:37(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		I think i can afford it.If i change only the decoder and anything else?
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sudibarba		#13 Posted : 13 December 2011 05:05:29(UTC) Retweet
Joined: 28/07/2006(UTC) Posts: 880 Location: Augusta, GA USA		2 hamo magnets and one Lok Pilot decoder. Just remember to reverse the polarity on the motors so that they don't run in contention. The new decoders can handle 2 motors. I have converted many F7 two engine consists this way. You could upgrade to 5 star motors but the improvement is minimal. Eric
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foumaro		#14 Posted : 13 December 2011 08:55:25(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		Thank you very much all of you.I will choose the solution of the two hamo magnets and the decoder.
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foumaro		#15 Posted : 01 February 2012 04:43:53(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		Can anyone tell me the exact type of decoder and hamo magnet i need, to buy them?I see for example on ebay.de hamo magnet 51960 and 51961.Which type i have to choose?Decoder 54610,54611 etc.Which type i have to choose.I do not care about sounds.Thank you again for your help.
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nevw		#16 Posted : 01 February 2012 06:20:29(UTC) Retweet
Joined: 27/08/2005(UTC) Posts: 11,071 Location: Murrumba Downs QLD		Right< ESU Magnet 51960 for DCM Motor need 2. Decoder lokpilot V3 8 Pin Is cheaper than the 21 Pin. Or 2 ESU Conversion Kits 54632, has Magnet and Decoder. you will have a spare decoder but you will find a us for it. the 54632 Kit is $43.90 US not sure in Euros. Nev
		NOt wearing the Pink Pinny, which is hard to see and now I have a white Pinny which also is hard to see against MY pure white Skin Still have 2 new shiny tin Hips that is badly in Need of Repair matching rusting tin shoulders and a hose pipe on the aorta Junior member of the Banana Club, a reformist and an old Goat with a Bad memory, loafing around
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foumaro		#17 Posted : 01 February 2012 09:22:11(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		Great help Nevvile,thank you very much.I will try to do the best for this great F7.
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foumaro		#18 Posted : 27 February 2012 18:52:20(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		I ask marklin service departpment an answer to this problem and i must say that they answer immediatelly.They told me to use two 60941 motor sets and one 60942 decoder.I will follow this sollution and i hope i will improve my great F7.
1 user liked this useful post by foumaro		klarinettmeister
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sudibarba		#19 Posted : 28 February 2012 01:44:31(UTC) Retweet
Joined: 28/07/2006(UTC) Posts: 880 Location: Augusta, GA USA		Originally Posted by: foumaro I ask marklin service departpment an answer to this problem and i must say that they answer immediatelly.They told me to use two 60941 motor sets and one 60942 decoder.I will follow this sollution and i hope i will improve my great F7. This is a good solution but I feel you could do almost the same for half the price with 2 ESU magnets(plus new brushes) and 1 ESU decoder. That assumes the motor covers and and armatures are in good shape. Eric
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foumaro		#20 Posted : 28 February 2012 11:49:23(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		All the loco is in great shape.Maybe a 60962 decoder with 60941 motors is another sollution,i asked my dealer if there is a difference between the two decoders.Then i will decide but i think that i will go for a marklin sollution.Thank you for the reply and help Eric.
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foumaro		#21 Posted : 14 April 2012 15:39:33(UTC) Retweet
Joined: 08/12/2004(UTC) Posts: 4,430 Location: Attiki Athens Greece		Finally a friend from the Hellenic marklin club Andreas did the conversion.We put two 60941 motors and one 60942 decoder.The great F7 is now MFX ,have a lot of power and runs like a dream.I am very satisfied with the result of conversion.
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3rail4life		#22 Posted : 15 April 2012 14:07:36(UTC) Retweet
Joined: 23/12/2011(UTC) Posts: 426 Location: Northern California		That is very cool, glad to hear it all worked out for you. I am planning to do the same conversion to my Santa Fe Blue Bonnets. Gordon
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