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Search: Posts Made By: Old Guy
Forum: Construction Companies & Worksites 11-03-2015, 10:46 PM
Replies: 2,507
Views: 964,089
Posted By Old Guy
Re: Great Dane excavating co.

Cooper

Great tire for first try, my first one was right on then I got cocky and 2cd one was a disaster, keep it up

Earl
Forum: Construction Companies & Worksites 10-22-2015, 09:41 PM
Replies: 2,507
Views: 964,089
Posted By Old Guy
Re: Great Dane excavating co.

Cooper
Back to the double acting stage cylinder, we tried to come up with a way to feed oil from the bottom but were never able to feed oil from that end for retracting. But I'll keep watching to...
Forum: Construction Companies & Worksites 10-17-2015, 07:20 PM
Replies: 2,507
Views: 964,089
Posted By Old Guy
Re: Great Dane excavating co.

Cooper
The stage cylinder again, the cylinders we made were like the first drawing all oil into the small end. Remember I said I had 3 oil baths when first designing the cylinder, the reason for...
Forum: Construction Companies & Worksites 10-10-2015, 07:27 PM
Replies: 2,507
Views: 964,089
Posted By Old Guy
Re: Great Dane excavating co.

Cooper
Back to the 3stage cylinders, we also made a double acting 5 stage cylinder, I had 3 oil baths but got it working in the end. In this cylinder we but oil in on the small end, this was done...
Forum: Construction Companies & Worksites 10-07-2015, 04:00 PM
Replies: 2,507
Views: 964,089
Posted By Old Guy
Re: Great Dane excavating co.

Cooper

Used to work in a machine shop building 3 stage dump cylinders, what we built had the oil enter the bottom of the cylinder. The bottom looked just like yours except it had a port, no port...
Forum: Construction Equipment Tech 01-07-2015, 07:28 PM
Replies: 6
Views: 3,115
Posted By Old Guy
Re: Hydraulic fittings

I get all my fittings from Festo the miniature series with 5mm thread and 4 mm hose. Cost just under $4 for straight and just over $4 for elbows. That's in Canadian $.
Earl
Forum: Construction News 10-22-2014, 03:53 PM
Replies: 9
Views: 7,847
Posted By Old Guy
Re: New 60 ton excavator from Robbe

I agree with Lou I know with the 3 construction models I built I spent anywhere from 1200 to 2000 hours on each. But in my case I build all the hydraulics including pumps, cylinders and control...
Forum: Construction Equipment 09-04-2014, 07:05 PM
Replies: 335
Views: 182,162
Posted By Old Guy
Re: D11 New Project

Great build looking at it you would think it's the real thing until you see something in the background that let's you know it's a scale model

Earl
Forum: Construction Equipment 07-05-2014, 07:39 PM
Replies: 171
Views: 80,239
Posted By Old Guy
Re: Another Tigercat...

Glad to see you have your model working, as always a work of art. The hydraulic valve working with just minor leaks is what I've been waiting for, now its my turn to copy your build and build my own...
Forum: Construction Companies & Worksites 06-06-2014, 06:08 PM
Replies: 512
Views: 437,444
Posted By Old Guy
Re: Logging & Construction Equipment

Great build, it must be the air on Vancouver Island there several great builders and I know you will all have fun at the shows this year and amuse a lot of people.

Earl
Forum: Construction Equipment 05-16-2014, 06:37 PM
Replies: 171
Views: 80,239
Posted By Old Guy
Re: Another Tigercat...

Reg, I know it has been just about a year since you worked on this one, but I've been waiting to see how the valve would work and if any leaks developed when in use. Just finishing (Painting) the...
Forum: Construction Equipment 05-11-2014, 01:45 PM
Replies: 95
Views: 51,687
Posted By Old Guy
Re: CAT330D-L full hydraulic

Erick 79
Nice build very interested in your Hydraulic motors and how they will work, The only thing I've built is the hydraulic pumps to run my models

Earl
Forum: Construction Equipment 03-16-2014, 07:10 PM
Replies: 181
Views: 113,935
Posted By Old Guy
Re: Hayes HD dump truck...RCP's style

I don't know how you do it just start and already you have 1/4 built, Like always I'll follow this post with envy at the speed of your builds Earl
Forum: Construction Companies & Worksites 01-06-2014, 03:41 PM
Replies: 512
Views: 437,444
Posted By Old Guy
Re: Logging & Construction Equipment

Lou
Just thought I would give you this site for 2-56 Hex Head bolts looks like about a quarter of the price of American Model 2-56 SS X 3/8 is $6.10 per 100 ...
Forum: Construction Companies & Worksites 12-15-2013, 01:28 PM
Replies: 512
Views: 437,444
Posted By Old Guy
Re: Logging & Construction Equipment

Lou
As always when I look at your builds I say to myself I have a ways to go to meet your projects quality. One question I think I see 2-56 hex head bolts, my Pacfic Fastner source ended only 4-40...
Forum: Construction Equipment 11-22-2013, 03:53 PM
Replies: 47
Views: 22,428
Posted By Old Guy
Re: Komatsu WA500-6 by Fumotec

R C Construction Group

When ever I install a hydraulic system in any of my models I put in an accumulator, just a piece of tube with 1 closed end a piston & rod coming out the other end and a...
Forum: Construction Equipment 10-17-2013, 10:10 PM
Replies: 503
Views: 408,328
Posted By Old Guy
Re: CAT 374D L

Ari Outstanding build I'm near the end of my RH400 mining shovel build with hydraulics for cylinders so I know what you have gone through. Now you next problem is what's next, as like you and many...
Forum: Construction Equipment Tech 10-07-2013, 12:28 PM
Replies: 6
Views: 3,655
Posted By Old Guy
Re: i need help!

The way I build the turntable I machine to round plates 1 3/8" thick the other 1/4". On the bottom one I machine a groove that holds a #35 chain I make sure that the groove is the right depth to...
Forum: Construction Equipment 06-24-2013, 06:41 PM
Replies: 220
Views: 86,888
Posted By Old Guy
Re: Steamer

Rob
Like you I was getting frustrate with the slow down on the 2 stage cylinders on my rear dump, so I fixed it Ij ust reverse the hydraulic pump it comes down as fast as it goes up, I could do this...
Forum: Construction Equipment 06-21-2013, 07:00 PM
Replies: 220
Views: 86,888
Posted By Old Guy
Re: Steamer

Rob

I had the same problem witn my telescoping cylinders I found the solution was to add a ring just above the piston seal about 1/2" wide this eliminated the binding problem. I was lucky with the...
Forum: Construction Companies & Worksites 06-16-2013, 10:16 PM
Replies: 668
Views: 481,681
Posted By Old Guy
Re: RCLogger

Sorry about the mess I made, Thanks Lil Giants for the clean up I'll spend more time on this problem to eliminate the mess I created for R C Logger

Earl
Forum: Construction Companies & Worksites 06-14-2013, 06:47 PM
Replies: 668
Views: 481,681
Posted By Old Guy
Re: RCLogger

htthttp://m1281.photobucket.com/albumview/albums/oldguy70/004_zps0f008d1e.jpg.html?o=5&newest=1&pbauth=1_uLEBonVPfaLdh1h3YMYz2VCCN0zDuCV%2FL5u5jOlP4FXriNzdkVVEDr29oz9vDPlQYnbBYmDaeazS1M47U7f%2B0dSXyTH...
Forum: Construction Companies & Worksites 06-07-2013, 10:25 PM
Replies: 668
Views: 481,681
Posted By Old Guy
Re: RCLogger

R C Logger

The Scraper is 1/12 scale the Rear Domp and Shovel are 1/24th. As soon as I learn how to post picture I`ll send some.

Earl
Forum: Construction Companies & Worksites 06-06-2013, 06:38 PM
Replies: 668
Views: 481,681
Posted By Old Guy
Re: RCLogger

Greg

I thought I had all the answers but I don't, ihave a RH400 shovel built but having problems with the hyraulic valves. Where do you get your valves you use in your radio controlled models,...
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