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Old 04-14-2013, 01:28 PM
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Default Wa 500 Rebuild

Recently purchased a Stahl Loader , my first piece of rc equipment, from a great member of the board. It operated great although i didnt like a few things about it and decided to tear into it to learn how it works and fix a few things at the same time. Its turned into a slight redesign since i started. So heres some pics of where im at so far.

















Digging for screws..at this point im pretty sure im not using these parts again..

















Blasted some parts



Cutting some new arms from 3/16" plate. Added 1/2" to front length to raise the bucket height a little.



Plasma cutter, my favorite tool. Free hand cuts.





Dusted both sides of the arms to get them flat.





Making the front axle mount. Made it from round stock so i could bore the ID to contour the Diff.





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Old 04-14-2013, 01:57 PM
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Default Re: Wa 500 Rebuild

Wow, nice job man!

I bet this will turn out to be a great thread, keep it up!
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Old 04-14-2013, 03:57 PM
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Default Re: Wa 500 Rebuild

Very nice Jason! I'll be watching this one for sure! Glad you picked this machine up, when it was listed for sale. I'm really looking forward to seeing you rebuild it. The Stahl WA500s are nice machines. To be really perfect and scale models, I think they just need a little massaging. Just a few extras here and there. What else do you have planned for it, in terms of detail parts? You've got a heck of a machine shop at your disposal. Surface grinder and all!
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Old 04-14-2013, 05:16 PM
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Default Re: Wa 500 Rebuild

Thank you!

Id actually be open to suggestions for details to add...I guess i do have a few things id like to do...Maybe fenders for the rear. I may rebuild the steps and platforms, these are falling apart. Replacing the blue glass with clear lexan and make a new counter weight from a solid steel block...Oh want to make a new radiator grill, maybe something from black screen..? Want a quick release too! But havent found any info yet on how to make one of those. Make a hub cap with a new wheel face which is more scale looking...but i dont think our indexing chuck for the mill is any good..havent looked at it in years. We have 10 cnc turret lathes that could do that but they are all running high production jobs and rarely have any open time. I may have to draw something up and just tell the set up guy next time to" make this".. Oh and gonna print out a driver..too bad i dont have a scanner, Id scan myself and make ME the driver.
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Old 04-14-2013, 06:15 PM
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Default Re: Wa 500 Rebuild

Very cool, Jason. While you're at it, you should basically re-make the entire main chassis out of steel. More weight, more traction. As for the details, just look at the real WA500 loaders and add what you see. Mirrors, light buckets coming off the frame area where the loader arm pivot bushings are, and nicer hand rails. That rear grille could use some detail too. Don't forget the windshield wiper! Any place to can get rid of the scew heads, definitely consider it. Nothing ruins a scale model like phillips head screws sticking out of a sheet metal body, where there shouldn't be any visible. Weld things together instead. It almost looks like you already made the front half of the chassis out of steel and welded it?
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Old 04-14-2013, 07:20 PM
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Default Re: Wa 500 Rebuild

Gosh!! the tools & the knowledge you have at your disposal, I'm envious.

I see you traced some extra arms, were they meant for me too?! The added 1/2" length will changed the geometry of the bucket rotation... you'll cross that bridge when you get to it?

I'm looking forward to seeing what you come up with for functional improvements.
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Old 04-14-2013, 07:34 PM
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Default Re: Wa 500 Rebuild

Nate, Exactly my thoughts too on the phillips heads lol. And thats what i did. Welded the front end from inside. The light buckets and mirrors are a good idea..Didnt even think about that and wiper too But did consider remaking the rest of the chassis out of steel as well..Why not? should be alot easier than the front half. And already its putting on some weight. Heres a few more pics. Scale bolts for the front hatch plate= Cool! Need more of that going on. And Stainless cross supports for the pivot points.. Thanks for commenting!

Joe, Thanks. haha, those extras were my practice pcs. Needed to get my stance and hands working together.. Machine shops have been the family business since my grandfather started it when he was my age. All the manual machines I use are just for our little fab area. Our main business is CNC Grinding.
I thought about that. It shouldnt be a big deal to adjust the geometry. I think its all in the length of the connecting rod for the bucket tilt. Yes ill deal with that in a short while hopefully.







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Old 04-14-2013, 07:45 PM
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Default Re: Wa 500 Rebuild

Awesome job! I'm just not sure why you spent the money on that loader when you clearly could have (and basically are) scratch building one? Anyway, I love the work you're doing! Keep it up and keep us posted!

Reg
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Old 04-14-2013, 07:45 PM
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Default Re: Wa 500 Rebuild

Man, that's awesome Jason! You'll pretty much have a brand new loader when you are done. It looks like you could have bought the gear motors, the hydraulics, and wheels, then built everything else yourself. You definitely have the talent!
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Old 04-14-2013, 07:56 PM
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Default Re: Wa 500 Rebuild

Reg, Nate- Thanks guys, Yes i agree and your right.. but this being my first machine. I wouldnt know where to start. I never even seen one up close till i got this one. im good at copying something...Not good at making up designs without seeing it first..BUT i think im sure i can scratch build my next model and i have been thinking about what size Dozer i want to build. Only hard part about that would be the tracks..Again if i had a track peice to examine i could copy it. I have made plastic track parts with my Printer. I might have to visit the CNC machinist down the street for that. The rest is very doable after attempting this. I look at the cost i spent on this to have been also part of the learning process... Anyone want to buy a used wa500 chassis? lol Thanks for the nice comments.
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Old 04-14-2013, 07:58 PM
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Default Re: Wa 500 Rebuild

Yeah, I saw the business name at the bottom of your email weeks ago & looked it up. Quite an occupation you have going on there... you a jack of trades in that shop? owner/operator too?

You sure did a mighty fine job of cutting & shaping that metal.
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Old 04-14-2013, 08:34 PM
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Default Re: Wa 500 Rebuild

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Originally Posted by JDH429 View Post
Reg, Nate- Thanks guys, Yes i agree and your right.. but this being my first machine. I wouldnt know where to start. I never even seen one up close till i got this one. im good at copying something...Not good at making up designs without seeing it first..BUT i think im sure i can scratch build my next model and i have been thinking about what size Dozer i want to build. Only hard part about that would be the tracks..Again if i had a track peice to examine i could copy it. I have made plastic track parts with my Printer. I might have to visit the CNC machinist down the street for that. The rest is very doable after attempting this. I look at the cost i spent on this to have been also part of the learning process... Anyone want to buy a used wa500 chassis? lol Thanks for the nice comments.
Jason, my thoughts exactly, and once you see just what exactly you are getting, when you buy a model like this, it begs the question, are they really worth the cost? Some of the more detailed models might be. Some just seem so simple, with what amounts to stamped aluminum sheets, bolted together, it's hard to justify the asking price. But for those of us who don't have the talent, or tools, to scratchbuild our own, we can't complain to much!
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Old 04-14-2013, 09:16 PM
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Default Re: Wa 500 Rebuild

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Originally Posted by Lil Giants View Post
Yeah, I saw the business name at the bottom of your email weeks ago & looked it up. Quite an occupation you have going on there... you a jack of trades in that shop? owner/operator too?

You sure did a mighty fine job of cutting & shaping that metal.
Joe, I have my own shop on the end of the building were I do all the repairs, and fab/ welding for the rest of the shop, whatever to keep the business rolling. Theres always something needing fixed or made. And in tge past few years we have started to focus on automation so that is good practice for scratch building and it requires all the essential tools for making stuff. i dont have much programming experince but i like the change of pace doing everything else.My father is the founder and my brother and I are co owners. I don't run a machine any more, not for ten years now. I'm glad we grew to the point were we hire operators to run the high pro machines. I can't stand in the same place all day long.

Nate, I know right? Stamped aluminum sheet screwed together.... Can you imagine my surprise when first getting a look at this loader? Lol. I immediately thought what you just said. ! But I'd have to say this is a rather complex model..? Maybe not as intricate as an excavator but its got some engineering into it. Just needs more meat on it. So that's what I'm doing. I originally didn't set out to scratch build a loader.. But after seeing this one I knew I could improve it and the Bondo wasn't sitting well with me, there's no way to take this apart easily to fix something if I had left it. And maybe ill add some value to it by doing this. It's fun tho..the building part. I think I enjoy that more than actually driving it... Well that's to be determined yet.. I think I finally found an interest in something( rc construction) that will keep me interested. Glad I found this board too. Wish I could have learned the basics from the original garden trucking board. This board seems to be the next level where maybe a lot of basics have been left on the old board. But still the best place to currently be.
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Old 04-14-2013, 10:39 PM
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Default Re: Wa 500 Rebuild

Nice work! This will be really cool.
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Old 04-14-2013, 10:49 PM
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Default Re: Wa 500 Rebuild

So, JDH,

After you've basically replicated it to your own machined specs, what you going to do with the original? Re-assemble it and sell it? Or re-assemble it and shelf-queen it?

Just curious. I doubt I'll ever be able to afford one of these hydraulics, besty I could afford would be one of the styrene/electric ones, for show, not work.

Will enjoy the rebuild, and wishing I had access to such a shop. I like DIY.

WhiteWolf
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Old 04-15-2013, 01:18 AM
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Default Re: Wa 500 Rebuild

Quote:
Originally Posted by Espeefan View Post
once you see just what exactly you are getting, when you buy a model like this, it begs the question, are they really worth the cost? Some of the more detailed models might be. Some just seem so simple, with what amounts to stamped aluminum sheets, bolted together, it's hard to justify the asking price. But for those of us who don't have the talent, or tools, to scratchbuild our own, we can't complain to much!
It's not STAMPED aluminum, it has been milled, cut & bent precisely so when everything is put together it's symetrical & runs true... plus all the R&D to get it to this point of a proven working concept.
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Old 04-15-2013, 02:14 AM
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Default Re: Wa 500 Rebuild

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Originally Posted by Lil Giants View Post
It's not STAMPED aluminum, it has been milled, cut & bent precisely so when everything is put together it's symetrical & runs true... plus all the R&D to get it to this point of a proven working concept.
Joe, no offense, but I don't think either one of us could say we know for sure. The thicker components of the WA500 probably are CNC machined, but I would also wager that the thinner components are stamped. I'm not saying it's a bad thing. Stamping yields high quality parts, held to tight and accurate tolerances too. Don't think of it as a knock on the quality of the model. The axle mounting brackets for the front axle, the cylinder mounts for the bucket cylinder, the front fenders, the c-channel bracket that the steering cylinders bolt to, the hood, the rock bucket components, and many of the cab parts could have been stamped. Progressive dies can cut, punch holes, and form small parts like these, and do so accurately. I'd almost guarantee you that many of those smaller parts could not be formed with a brake press. The bends would be to close together for the tooling. For a stamping die, it would be a cake walk. You should see what a progressive stamping die can make. You'd be surprised.
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Old 04-15-2013, 05:39 AM
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Default Re: Wa 500 Rebuild

those cab panels.... nice alignment! was it user error from somewhere in its life or is that how these fit together?

thats some precise plasma cutting. i love seeing all that talent people have come to light. forces me to keep practicing ';0
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Old 04-15-2013, 01:26 PM
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Default Re: Wa 500 Rebuild

Very nice thread. You got some good skills my friend. I can't wait to see the finished machine.
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Old 04-15-2013, 05:29 PM
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Default Re: Wa 500 Rebuild

Nice work Jason !
So first you show us your talents with a 3D printer and how well you work with plastic and meanwhile.... Your a master of metal too!

To say this loader found a good home is wrong
This loader has found the RIGHT home for sure!

Mario
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