Ny-Lint Mobile Dragline Conversion

[modelman]

Looking good jim. Does your lathe have thread cutting capabilities? If so, you could cut laggings in the drums to keep ropes from crawling on top of each other. May not be a problem on this. The fairlead idea is good. All draglines look good with them and they serve a good purpose. Have you considered what scale this model might be?

[Rvjimd]

Tom,

Thanks, I have a bunch of work left to go. I can't cut threads, I think I have the drums set up square enough that the ropes wrap pretty good.

I think the scale is 1/18th.

I'm turning two pulleys for the boom tip and then I'm going to rig it up with my homemade clamshell bucket. You might know my style, I love to get it to a point that it runs, then play with it, I mean TEST it, and then do the finish work.

I am planning to try the fairlead and see how it looks.

Jim

[Rvjimd]

Got the crane pivot servo working. Not completely satisfied with the pinion to servo attachment. I am afraid it won't be long before the threaded bolt comes loose in the top gear of the servo. I did have a nut on the top of it but didn't have enough clearance for the pinion above the truck body, so I had to remove the locking nut. Also the pinion does not fit on the thread of the 4-40 perfectly, so the pinion is not perfectly true and wobbles just a tiny bit.

http://youtu.be/_4BFGXFBoYg

Jim

[bigford]

looks good, are you going to have enough power
to swing when the bucket or clam shell is full of dirt?

[Rvjimd]

BigFord,

Ya, I'm pretty sure it will be plenty. I have the radio turned way Dow to make it smoother and slower looking.


Been sitting here monkeying with the TX trying to figure out how to engage or disengage the boom control using the throttle cut function. I have the radio programmed as a heli and the boom up and down is on the throttle stick. I can't quite get it to work the way I want. Gona have to dig out a manual I guess.

Jim