Forum: General Discussion
11-12-2010, 08:39 PM
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Replies: 8
Views: 2,585
Re: Radio gear questions?
As I recall an MFU has a built in ESC so you don't need a seperate one, but usually limited in size.
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Forum: Construction Equipment
11-10-2010, 05:27 PM
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Replies: 6
Views: 3,794
Re: Lieberr power!!
It's an awesome video. Something tells me that would be illegal in the states, probably get a huge fine from OSHA for making him operate it or some stupid thing.
If you look carefully it has some...
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Forum: Metal forming & tools
11-10-2010, 02:45 PM
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Replies: 9
Views: 4,009
Re: welders
I've just got a Miller econotig that does stick and tig (used mostly on the farm) Want to get a small mig someday for the little every day stuff, but I get by with the tig when I'm in practice.
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Forum: Construction Equipment
11-09-2010, 09:42 PM
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Replies: 710
Views: 496,554
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Forum: Construction Equipment
11-09-2010, 06:45 PM
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Replies: 303
Views: 118,578
Re: Cat 777D Mining Truck
Yet another advantage of form taps.....no chips.
They work good in steel too, I just don't usually have steel to tap.
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Forum: Construction Equipment
11-09-2010, 06:24 PM
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Replies: 303
Views: 118,578
Re: Cat 777D Mining Truck
A form tap has no flutes or cutting edges. It creates the threads by displacing the metal into the shape (basically makes a thread that is strong like a forging). Because it displaces it requires a...
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Forum: Construction Equipment
11-09-2010, 12:41 PM
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Replies: 303
Views: 118,578
Re: Cat 777D Mining Truck
For the small holes in aluminum you should be able to use forming taps, which are much stronger. Just remember that they require a slightly larger tap drill to work. I have hand tapped some 0-80's...
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Forum: FreddyGearDrive
11-09-2010, 09:10 AM
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Replies: 17
Views: 6,566
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Forum: FreddyGearDrive
11-07-2010, 08:40 PM
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Replies: 17
Views: 6,566
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Forum: General Discussion
11-07-2010, 10:52 AM
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Replies: 19
Views: 3,989
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Forum: FreddyGearDrive
11-06-2010, 10:15 AM
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Replies: 17
Views: 6,566
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Forum: Metal forming & tools
11-04-2010, 10:01 PM
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Replies: 5
Views: 2,716
Re: Question for a machinist
Oh and in the description of aluminum. T-6 (typically T6-511) is the temper. 6061 or 7075 is the alloy number, both of those alloys can be had in T-6, yet are 2 different material both in strength...
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Forum: Metal forming & tools
11-04-2010, 09:58 PM
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Replies: 5
Views: 2,716
Re: Question for a machinist
Aluminum is a string mess usually, using a HSS bit I assume?? You could try and rig up a chip breaker top piece kinda like old wood planes have. it might help but HSS and aluminum mostly spells...
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Forum: Metal forming & tools
11-04-2010, 04:01 PM
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Replies: 5
Views: 2,716
Re: Question for a machinist
Yep, some older carbide insert tooling I've seen had separate chip breaker that you could slide upto and away from the edge depending on how big of chip you were making. most modern, average sized...
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Forum: 1:1 Your Semi's,Trucks and Equipment
11-03-2010, 10:36 AM
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Replies: 20
Views: 7,254
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Forum: Construction Equipment Tech
10-28-2010, 01:03 PM
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Replies: 9
Views: 12,819
Re: Hydraulic pump pics?
The gears would be a pair of the same size, and should be special pump gears not ordinary power trans gears. The pump gears are shaped differently to make the gear pair seal up to each other better....
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Forum: Euro Style Trucks and Trailers
10-27-2010, 08:16 PM
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Replies: 48
Views: 18,115
Re: Scania Toter
Looks real good. Are you going to build half a house on the frame or just leave it bare?
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Forum: Construction Equipment
10-26-2010, 06:48 PM
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Replies: 17
Views: 9,625
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Forum: Construction Equipment
10-26-2010, 03:58 PM
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Replies: 17
Views: 9,625
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Forum: Construction Equipment
10-26-2010, 02:56 PM
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Replies: 17
Views: 9,625
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Forum: Highway Trucks and Trailers
10-26-2010, 12:50 PM
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Replies: 180
Views: 115,241
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Forum: Metal forming & tools
10-26-2010, 12:48 PM
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Replies: 20
Views: 7,429
Re: centering
135 deg drills are a bit stronger than 118 deg and seems like I can push them harder and they work better in some steels. Split-point drills help prevent walking the most.
Running the tool a bit...
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Forum: Metal forming & tools
10-26-2010, 11:41 AM
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Replies: 20
Views: 7,429
Re: centering
Haven't tried those, but do use Stub length drills quite often and try to avoid the cheap import brands as they flex and break all the time, but the better stubs are pretty good.
In the vertical...
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Forum: Metal forming & tools
10-26-2010, 11:36 AM
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Replies: 12
Views: 4,677
Re: Some pics of my shop
Well, that was for a customer. If I had something to go by for a larger model I'm sure I could do it, just haven't put the time in to trying to design one yet.
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Forum: Electronics tech
10-26-2010, 10:16 AM
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Replies: 2
Views: 2,112
Re: LED lighting
This may help
http://www.rctruckandconstruction.com/showthread.php?t=441
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