LNWR Lady of the Lake

K

Kevin MH

Western Thunderer
A report on MY Problem Class: I had determined to power the tender. I put two motors and gearboxes in it. A massive failure: they fought each other and destroyed the decoder, drat! After a bit of work, I now have one motor driving the front axle, rigid in the frames, the middle axle floating, and the rear axle rocking. I had to abandon picking up from the middle axle, as the wheels would not turn. It seems to pull well; my rake of five six wheelers is all disassemble and in the paint shop, languishing. I'd post a video, but WT does not facilitate that.
 

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Yorkshire Dave

Yorkshire Dave

Western Thunderer
Kevin MH said:
A report on MY Problem Class: I had determined to power the tender. I put two motors and gearboxes in it. A massive failure: they fought each other and destroyed the decoder, drat! After a bit of work, I now have one motor driving the front axle, rigid in the frames, the middle axle floating, and the rear axle rocking. I had to abandon picking up from the middle axle, as the wheels would not turn. It seems to pull well; my rake of five six wheelers is all disassemble and in the paint shop, languishing.
Click to expand...

Hi Kevin, Another solution is to create a drive similar to an A-1-A using SDMP/Finney 7 power and remote gearboxes primarily designed for diesels and electrics. Templates can be downloaded to aid planning. SDMP Gearbox and Drive Components for 7mm Scale Model Locomotive Kits

I created a 10' Bo-Bo drive using their Power which attaches to the motor (right) and Remote (left) gearboxes. The issue you may have depending upon whether you are prepared to compromise is the ensemble sits fairly low and may be visible.

Met 49.jpg

Met 51.jpg


I also built one for a battery loco which has a shorter wheelbase.

BEL2 14.jpg

This photo shows how it appears from the side when fitted - the motor is just visible.

BEL2 16.jpg

@john lewsey - apologies for the brief thread hijack. :)
 
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K

Kevin MH

Western Thunderer
Yorkshire Dave said:
Hi Kevin, Another solution is to create a drive similar to an A-1-A using SDMP/Finney 7 power and remote gearboxes primarily designed for diesels and electrics. Templates can be downloaded to aid planning. SDMP Gearbox and Drive Components for 7mm Scale Model Locomotive Kits

View attachment 267482


I also built one for a battery loco which has a shorter wheelbase.

View attachment 267485

This photo shows how it appears from the side when fitted - the motor is just visible.

View attachment 267486

@john lewsey - apologies for the brief thread hijack. :)
Click to expand...
Dave, you anticipated me. I had bought two MSC 25:1 gearboxes, to hang on two axles each with a motor. A dismal failure. Today I (in two attempts) made up a "cannon" bearing. It has a spigot the size of the opening in the gearbox, with a 2mm bore down the length, and sticking out where the motor would be, is a 6mm dia bearing about 10mm long. When mounted on an axle and wheels, it looks like a cannon. I admit I own a lathe. I'll post a pic or two tomorrow. Thanks to John in his forbearance of me hijacking his thread, but most of the notes on my build would just be duplicates of John's, and I don't see much point in a new thread.
 
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