This page last updated: December 21, 2012
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as of April 2017
Rotary Dumper Coupler Building instructions
- Arduino, Delphi, free pascal, and Lazarus code is not available as this is instructions and comments only
Front to back : LBF, Intermountain, Athearn Bethgon coalporters; Walthers wood chip, LBF coalporter bashed into International Paper wood chip car. These wood chip cars have rotary couplers on both ends so they can be used connected to the locomotive - which does not have a rotary coupler.
- Rotary Couplers are either Kadee's modified by Paul Mack- Though it seems he has retired from modifying them; or Glatzl's sold by Sergent Engineering.
- Paul Mack couplers are easy to use as they are direct replacements for standard Kadee couplers. Due to their scarcity they are only used on Walthers coalporters as they cannot be modified to use Glatzl rotasry couplers AFAIK.
- Glatzl's sold by Sergent Engineering are much harder to use as they require modifications to the cars - minimal for LBF-E&C coal porters - replace the stock coupler pocket with the Glatzl. They also require using a dummy coupler - the dummy couplers that came with the Walthers coal porters work the best, Sergent Engineering also sells Glatzl dummy couplers - however the arm is short and will be very hard to grab with the positioner arm.
- Glatzl coupler modifications for :
- Walthers wood chip cars
Dremel away the coupler pocket, drill a hole for the wheel mount using the Glatzl as a guide. Cut off something from all edges of the Glatzl and screw through the hole and fasten with a nut on the inside of the car..
- Walthers coal gondolas (flat bottom)
Drill a hole though the wheel mounting hole. Cut off something from all edges of the Glatzl. Dremel away the coupler pocket and install the Glatzl using a 2-56 screw and nut on the inside of the car.
- Intermountain value line coal porter
Kinda easy - cut a little off the Glatzl wheel hole at the top and replace the coupler. Cut off the fancy bits from the stock coupler pocket-mounting plate and glue onto the car somehow.
- Athearn RTR coal porter
Hardest of them all AFAIK. Take apart the coupler stuff and glue a piece of styrene so a hole can be drilled and threaded so the Glatzl can be screwed into the car as nothing else is holding the coupler to the car and glue would probably not sustain a 110 car train. Drill a hole through the wheel hole of the standard coupler bracket so the Glatzl will be positioned correctly. Cut off all the stuff from the stock coupler so the Glatzl will fit. Cut off the fancy bits from the stock coupler pocket-mounting plate and glue onto the car somehow.
- Walthers coal porter
would be impossible AFAIK, it is a metal bar ... I guess the wheel hole could be drilled through and then all that metal cut off, it does not look like there is much of anything where the wheel hole would be drilled - stock mounting is into that metal bar which would be gone and beneath it is ... not much.
- Car count by type
- Modified Kadees
- 24, 1 double ended Blue Walthers coal porter
- 48, only 42 couplers -No double ended Yellow Walthers coal porter
- Need 2 couplers for double ending Glatzls so they can hook up to a locomotive
- Glatzl couplers
- 48 yellow Walthers coal gondolas -flat bottomed-no double ended
- 32 of 48 : 12 of 18 Red LBF; 18 of 26 Red LBF; 1 of 3 Intermountain; 1 Athearn -no double ended
- wood chip
- 11 Walthers, 1 double ended with Modified Kadee
- 9 modified Walthers, 1 double ended with Modified Kadee
- 4 mini-double modified Walthers not coupled Yet
- Rotary Coupler Glatzl Mounting Videos...
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