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Author Topic: Clipperton L Power Transformer  (Read 3961 times)
ZL1BBW
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Posts: 402




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« on: December 24, 2012, 02:03:12 PM »

Anybody replaced one of these with a commercial unit, any idea what the typical cost would be in USD?  Thanks
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ex MN Radio Officer, Portishead Radio GKA, BT Radio Amateur Morse Tester.  Licensed as G3YCP ZL1DAB, now taken over my father (sk) call as ZL1BBW.
W9GB
Member

Posts: 2626




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« Reply #1 on: December 24, 2012, 03:19:46 PM »

Dentron Clipperton L web page:
http://www.w2xc.com/Clipperton_L.htm

PM-CLIPL Replacement Power Module for the Dentron Clipperton-L
http://harbachelectronics.com/main/page_products_dentron_amps.html

Peter Dahl replacements are available from Harbach Electronics
http://www.harbachelectronics.com/_mgxftp/pwdamateur/PWDAMATEURD.PDF

Dentron Clipperton-L Wiring Diagram
http://www.harbachelectronics.com/xfmrwiring/DENTRON%20CLIPPERTON-L%20WIRING%20DIAGRAM.pdf

DENTRON CLIPPERTON-L
POWER TRANSFORMER CORE) EI-162 X 3.5
STYLE #) 02 E-I LAMINATED CORE
PR) 117/234 VAC 60 HZ 1 PH
S1) 0-640-1010 VAC @ 600MA CCS
S2) 12 VAC @ 2A CCS
S3) 6.3 VAC @ 16A CCS
DM) HT = 4.250 WT = 5.750 DT = 6.650 MD = 4.625 MW = 4.937
WEIGHT) 24 LBS

DENTRON CLIPPERTON-L "F"
CLIPPERTON-L POWER XFMR WITH 110/220 PRI CORE) EI-162 X 3.5
STYLE #) 02 E-I LAMINATED CORE
PR) 110/220 VAC 60 HZ 1 PH
S1) 0-640-1010 VAC @ 600MA CCS
S2) 12 VAC @ 2A CCS
S3) 6.3 VAC @ 16A CCS
DM) HT = 4.250 WT = 5.750 DT = 6.650 MD = 4.625 MW = 4.937
WEIGHT) 24 LBS

DENTRON CLIPPERTON-L-50
50 HZ VERSION CORE) EI-162 X 3.5 29GA M6X
STYLE #) 02 E-I LAMINATED CORE
PR) 117/234 VAC 50 HZ 1 PH
S1) 0-640-1010 VAC @ 600MA CCS
S2) 12 VAC @ 2A CCS
S3) 6.3 VAC @ 16A CCS
DM) HT = 4.250 WT = 5.750 DT = 6.650 MD = 4.625 MW = 4.937
WEIGHT) 24 LBS

===
Cost??  Need to check with Jeff Weinberg at Harbach regarding shipping costs.
« Last Edit: December 24, 2012, 03:27:43 PM by W9GB » Logged
ZL1BBW
Member

Posts: 402




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« Reply #2 on: December 24, 2012, 03:47:32 PM »

Thanks, I had seen that info, but its the dollars that I am thinking about, any guestimate of what cost could/would be.  I should perhaps explain, I am looking at an amp that has had the Trans blown in it, luckily :-)  I have a trans that will give all the right voltages more or less, but will have to put in an add on cabinet on the back, its just too big.  But it is always nice to have some idea of what a replacement trans will cot, for price manoeuvring, I reckon you could see 3 or 400 USD spent on a transformer and shipping to NZ.
« Last Edit: December 24, 2012, 03:53:25 PM by ZL1DAB » Logged

ex MN Radio Officer, Portishead Radio GKA, BT Radio Amateur Morse Tester.  Licensed as G3YCP ZL1DAB, now taken over my father (sk) call as ZL1BBW.
W9GB
Member

Posts: 2626




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« Reply #3 on: December 24, 2012, 05:24:28 PM »

Gavin -

Peter Dahl Company provide prices, but since moving to Harbach Electronics and Peter Dahl's passing (sk),
Custom Magnetics (Manchester, IN and Chicago, IL) actually performs the transformer winding.
That is why Jeff Weinberg has you fill out a request form -- for the price quotation.
http://www.custommag.com/

Custom Magnetics, Inc.
801 W. Main St.
N. Manchester, IN 46962
Phone:  260-982-8508
Fax: 260-982-4942
Email: sales@custommag.com

===
Cost for rewinding power transformers, for me (Chicago area has many companies to select from), has increased from $75 to $125 USD over the past 15 years.
===
First, I would search or inquire about companies/firms in NZ or AU that rewind transformers or motors -- especially since you have the old (bad) transformer.
« Last Edit: December 24, 2012, 05:35:48 PM by W9GB » Logged
ZL1BBW
Member

Posts: 402




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« Reply #4 on: December 24, 2012, 05:30:45 PM »

Yep, that is what I was going to try, my OM used to rewind transformers, you want i'll wind it.

Anyway got the go ahead  Smiley from the XYL to pursue this linear.
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ex MN Radio Officer, Portishead Radio GKA, BT Radio Amateur Morse Tester.  Licensed as G3YCP ZL1DAB, now taken over my father (sk) call as ZL1BBW.
W9GB
Member

Posts: 2626




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« Reply #5 on: December 24, 2012, 05:37:51 PM »

How to Rewind Transformers
by Don A. Meador
Radio Electronics magazine, May 1983, pp. 77-80
http://home.comcast.net/~stphkeri/meader/rewinding_transformers.html

Rewinding the Power Transformer for an Eico ST-84 Preamp Rev-2 (educational)
Copyright © 2009 by Stephen H. Lafferty. All rights reserved.
http://www.tronola.com/Rewinding_a_Power_Transformer.pdf

Practical Transformer Winding
by Manfred Mornhinweg at the Homo Ludens web page
http://ludens.cl/Electron/trafos/trafos.html

Transformer Rewind Service (WZ1M)
http://members.tripod.com/tubes_tubes_tubes/transformerrewindingservice/
478 Forest Avenue
Orono, ME. 04473
United States
Just click this address to send us e-mail:  xfrmrs@roadrunner.com
Phone: 1-207-942-5745
Between 4:00 PM and 7:00 PM, EST
Please leave a message on the answering machine.
There is no telephone in the workshop.
 If there was, I would not be able to get anything done.
I try to answer emails and phone messages after 4:00pm EST.
« Last Edit: December 24, 2012, 05:47:27 PM by W9GB » Logged
W9GB
Member

Posts: 2626




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« Reply #6 on: December 24, 2012, 05:54:43 PM »

SINCE you need a NEW (or rewound) transformer,
You MAY wish to ask Tom, W8JI about rewinding the transformer for a CENTER TAP secondary for the 572B tube filaments (balance load).  Earlier eHAM.net discussion.
http://www.eham.net/ehamforum/smf/index.php?topic=80013.0
Dentron routinely used available parts, sometimes surplus, for production of amplifiers.

Ray, W2XC modification to address hum (lack of center tap on original Dentron transformer)
http://www.w2xc.com/Clipperton_L_Hum_Mod.htm

Here are some New Zealand based firms for transformer winding (rewinding)
http://www.transformer.co.nz/

Transformer Specialists Ltd
http://www.tsltransformers.co.nz/
199/C Triangle Road
Massey, Auckland
New Zealand
Mobile   +64 - 275 - 745 880
Phone   +64 - 9 - 833 7999
Fax   +64 - 9 - 832 5550
Email   sales@tsltransformers.co.nz

==
TWS Energy Controls
30 Treffers Road,
Wigram, Christchurch 8042,
New Zealand
Freephone: (within Australia)1800 124 747
Phone:+64 3 348 8500
Fax:+64 3 348 0961
Email: on web page
TWS Energy Controls is a privately-owned company specialising in the design and manufacture of current and voltage transformers for the low to medium voltage electrical industry. Based in Christchurch, New Zealand, we supply network and electric companies worldwide.

Gouk & Sullivan
http://www.gouk.co.nz/rewind.html

New Zealand Rewinds
http://www.nzrewinds.co.nz/
« Last Edit: December 24, 2012, 06:14:12 PM by W9GB » Logged
W9GB
Member

Posts: 2626




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« Reply #7 on: December 25, 2012, 03:31:50 PM »

Jeff Weinberg contacted me that he is NOT using Custom Magnetics in Manchester, IN for transformer production from speciications acquired from the Peter Dahl Company.

He was using a firm in New England, but that information is no longer posted on his web page.

g. beat
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ZL1BBW
Member

Posts: 402




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« Reply #8 on: December 25, 2012, 03:37:22 PM »

Just got a price through $375 USD so on top of that airfreight customs, import duty and GST at 15% makes it around 800 NZ I reckon, thanks all for the info.
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ex MN Radio Officer, Portishead Radio GKA, BT Radio Amateur Morse Tester.  Licensed as G3YCP ZL1DAB, now taken over my father (sk) call as ZL1BBW.
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