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Construction Equipment If it digs, pushes, hauls dirt "off road" post it here. |
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#101
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Hey Scott, bottom of "house" to top of cab is 6' 11 1/4" high, or 9' 10'' from the ground. Track's are 2' 4 1/4'' high,
not the version you're building. Ground to bottom of house 2' 10 1/4'' Track length 10' 1'' or 10' 10'' high flotation version. Track shoe width, 16'', 20'', or 22'' long track version-flotation. Width of track's outside, 8' 0'', 8' 8'', 9' 0''. House is 8' 0'' wide. Hope this help's. Later, Neil#2 aka doodlebug. |
#102
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Neil,
The Doepke Cab is 5 inches tall so, times 16 it would be 80" and Your measurement is 83 1/4". The width of the body is 6 inches and times 16 is 96" perfect to your 8 feet wide. So, it is accurate to 1/16 scale. Now I'll make the prototype boom match your numbers and make sure I am happy with how it digs. Thanks Neil!
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Scott "No load is too Small" |
#103
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Hey Scott, do you need the "arch on the boom"? Let me know!
Later, Neil#2 aka doodlebug |
#104
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Yes, if you can that would be great! I ordered 1/2 inch square tube for the boom and stick because after looking at the boom in the Unit 357 maintenance manual it looks to be about right. Did you measure the width and length (not counting the teeth) of the bucket? I wonder how far off mine is.
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Scott "No load is too Small" |
#105
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Scott , you OK for the boom now ? My guy didn't get back to me yet
![]() ![]() IHSteve
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RIP FreddyGearDrive 2-12-59/12-19-11 To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. |
#106
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Scott "No load is too Small" |
#107
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Hey Scott, I'll go by tomorrow LOL. Just got off night shift, the contractor forgot to cancel dump truck's tonight. Got 2 hour's for showing up!
Later, Neil#2 aka doodlebug |
#108
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Hey Scott, the bucket is 24'', 3 teeth. The dipper end of the boom, to the center of "arch'' is approx 10' 1'' from the pin (dipper arm) the the fork/drag pulley area (picture #1)
The boom is 21 1/2" wide, 10" tall, the gap in the forked end is 11 1/8''. The arch in the boom is 22'-23' degree's. Later, Neil#2 aka doodlebug |
#109
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Wow, the bucket is only 24" wide? That is only 1 1/2 inches in 1/16 scale. The bucket I made is 2 inches wide and looks about right.
Thanks for the measurements Neil, I went through all of your numbers today and set the hoe up with your measurements. It works and digs great set to scale size. I packed some dirt hard and added water to make it thick & heavy, loaded one of the Tonkas and it did very well. It should really dig well when I get teeth on the bucket.
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Scott "No load is too Small" |
#110
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Hey Scott, now you know why the bucket has side board's on it.
Later, Neil#2 aka doodlebug |
#111
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lol. cant go wider, then go higher!
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#112
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Any updates Scott?
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#113
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Not much new really. Ordering & quality of parts is causing delays. I ordered the servo city sprockets that have the servo splines built in and they don't work at all because they are made wrong...when the chain wraps around the sprocket it grabs the chain and won't let go. They were supposed to send me "better" replacement sprockets a week ago and they never showed. I'll call Monday and talk to management there...
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Scott "No load is too Small" |
#114
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Maybe the small diameter is causing the grabbing. Anything smaller than 12t is not recommended at certain speeds but for your intermittent use you should be ok. Did you grind the teeth open some?
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#115
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Scott "No load is too Small" |
#116
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I made a quick vid of the chain drive working. I'll have to make a jig for drilling the track pads because the few that I made aren't consistent enough for my liking.
http://www.youtube.com/watch?v=8Lj4c_IDNAI
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Scott "No load is too Small" |
#117
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Looks like you have made some good progress Scott keep up the great work.
Travis
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AKA "00" Biddle RIP FreddyGearDrive 2-12-59/12-19-11 |
#118
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Hey Scott, Jig's are alway's nice to have for repetition. Sure helped when I was running an iron worker 25 year's ago. Later, Neil#2 aka doodlebug.
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#119
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Thanks Travis!
Agreed Neil. ![]() Well, I called Servo City and they were very helpful. Turns out the #25 chain I am using has a smaller roller diameter (.120) than they use (.127) which would explain why my chain binds up when you wrap it around more than 100 degrees or so. They are sending me some of there #25 chain to rectify this. That is really good customer service! Even most good companies would say just send the parts back for a refund but, these guys want people to get there projects running. ![]()
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Scott "No load is too Small" |
#120
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SmallHaul-I used the servo city sprockets on my shovel and they worked great but I did also use their chain so I guess that explains the problem you had. Their servo sprockets were the only ones I could find that were small enough to get the ratio correct. Enjoying watching this build.
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