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Micro R/C Trux! Anything smaller than 1/12 scale. VMGs, Mini Z's etc!


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Old 11-11-2017, 08:45 AM
reinaart reinaart is offline
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Default 1/16 Bruder Ram with WPL parts

I started by taking the Bruder truck apart, which is easier said than done ..... The problem is that Bruder uses a snap fit method for the assembly of their models. Many parts have wedge shaped lugs and once the parts have been snapped together they are a pain to disassemble. The only way to disassemble these models is by cutting off the various wedges, unfortunately many of the lugs are quite inaccessible ..... It took me almost a full day to disassemble the Dodge truck and I still don't know how to properly separate the radiator from the front bumper (German overengineering I guess ...) .








Arjan
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  #2  
Old 11-11-2017, 07:47 PM
mgcrawler mgcrawler is offline
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Good to see the Ram tore apart, can't wait to see this build.
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Old 11-11-2017, 07:59 PM
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350TacoZilla 350TacoZilla is offline
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This should be a cool little project ! I like the detail they put into that model and it should make for a very scale looking rc. Instead of pulling it fully apart do you think it would be possible to cheat and just dremel the un wanted sections of the undertray off leaving the parts you want to retain?
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Old 11-15-2017, 09:05 AM
reinaart reinaart is offline
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Thanks gents for your feedback. In the mean time I have figured out how to separate the radiator from the front bumper. I had to drill a hole into the truck bottom to get at the offending retainer .... I have made some pics of a mock up, the axles and transmission still have to be integrated into the floor pan but that shouldn't be too difficult. The only real problem I can see is that the front drive shaft has to be lengthened. I think that most of the truck interior can be left intact.








I like the Ertl Big Farm dually pickup trucks but their open roofs need quite a bit of work , they have doors that don't open and their level of detail is not great. Besides, they are very expensive and difficult to get in Holland.

If my conversion turns out well I might buy Bruder's Jeep Wrangler Unlimited. I think it might even be easier to convert than the Ram because it has an opening bonnet :



edit: I've just ordered this drive shaft (size 3) which should do the trick (just have to cut some pieces of 3mm brass tubing to fit inside the 4mm joints) :


https://www.aliexpress.com/item/RC-C...97276365.html?

Regards,

Arjan

Last edited by reinaart : 11-15-2017 at 02:12 PM.
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Old 11-15-2017, 07:05 PM
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Axle width looks like a really good match up and tires look just bit bigger than stock on a PW but a ton of guys swap over to 35's-37's on them anyhow.
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Old 11-16-2017, 06:58 PM
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That looks like a great fit. You might be able to put the 1/18 transfer case from RC4WD under the chassis and put the gearbox under the hood. Keep going! You're off to a great start.

Harry
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Old 11-18-2017, 05:04 AM
reinaart reinaart is offline
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Thanks for your input Harry. I think I might indeed order some 1/18 RC4WD parts but I think this transmission (and motor) might be a better idea (it's also a cheaper solution) :

http://store.rc4wd.com/R5-118-Mini-C...on_p_4956.html

Alternatively I might use two cheap Aliexpress motors with reduction gear boxes, problem is that I can't see the wood for the trees. Not quite clear to me if I should go for 30 RPM or higher like this 60 rpm motor ?

https://www.aliexpress.com/item/60RP... 0e5S7Xx3y&s=p

The advantage of two separate motors would be that I could mount them at a slight angle.

At any rate, the WPL transmission sticks out too much for my liking so I think I will only use the WPL Axles and springs :






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Arjan
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Old 11-19-2017, 04:43 AM
reinaart reinaart is offline
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I've just ordered two of these :

https://www.aliexpress.com/item/TT-M...826863185.html

They are extremely cheap so it doesn't matter too much if they don't last long.


Arjan
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Old 11-19-2017, 06:53 AM
mgcrawler mgcrawler is offline
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Still loving the dodge, looks like a really good match. Might have to give one a try.

Might be possible for the sumo trans to work out. Its very compact and has a gearmotor for lots of torque and still has good wheel speed. I made a mount for the sumo trans to fit the WPL yesterday.
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Old 11-19-2017, 07:29 AM
reinaart reinaart is offline
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Quote:
Originally Posted by mgcrawler View Post
I made a mount for the sumo trans to fit the WPL yesterday.

Hi, sounds interesting could you possibly post some pics of the mount ?

By the way, some useful WPL spares are now available at BG :

https://www.banggood.com/nl/search/wpl.html

Regards,

Arjan
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Old 11-20-2017, 06:04 PM
mgcrawler mgcrawler is offline
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I'll get some up tomorrow hopefully. Its pretty basic and I made it from brass pieces since i've dabbled with soldiering brass and such in the past. This one is just a test piece to see if the gears will hold up in which I think they will.
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Old 11-21-2017, 06:08 AM
reinaart reinaart is offline
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Looking forward to your photos. By the way, I have just ordered the WPL Gaz truck (the blue one) :

https://www.gearbest.com/rc-cars/pp_1214990.html


Regards,

Arjan
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Old 11-22-2017, 07:17 AM
mgcrawler mgcrawler is offline
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Here's the skid. like I stated before "simple and just a test piece.







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Old 11-22-2017, 12:55 PM
reinaart reinaart is offline
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Looking good, thanks for posting these pics ! Let me know how it performs when it's mounted.

I also ordered two of these geared motors, in contrast to the other yellow things I ordered the motors are mounted horizontally :

https://nl.aliexpress.com/item/Free-...10531345.html?

By the way, The Bruder Jeep Wrangler Unlimited Rubicon has the same axles as those used on the Dodge Ram (14 cm track width) .

Regards,

Arjan
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Old 12-14-2017, 06:39 AM
reinaart reinaart is offline
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Yesterday I received the cheap yellow reduction motors with dual drive shaft. Unfortunately these are not suitable for the Bruder Dodge, just like the WPL gear box they stick out too much. I'm still waiting for the RC4WD transmission case to arrive.

Although the yellow reduction motors are useless for the Dodge I tried fitting one to the rear axle of a Bruder Landrover Defender. This really works surprisingly well, it even has a reasonable speed with a 6V battery. The drive shaft ends of the yellow things have an unusual diameter though (5.4 mm). I ground them down to 5 mm using a sharpened piece of 5mm brass tubing attached to my electric drill. It would even be quite simple to turn it into a pivoting/ articulated axle.








Arjan

Last edited by reinaart : 12-14-2017 at 08:10 AM.
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