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by coxbros1
Sun Jul 17, 2022 2:16 pm
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Big Bear resto

Finally got around to restoring this....body still has to be done. Went with a new vintage Parma wiper speed control with brake and scored and original M480RS motor....this was me and the Diamond One's 1st ever rc back in 86' so it's way up there on our list Resized_20220717_130613.jpeg Resized_2022...
by Dadio
Mon Jul 18, 2022 4:21 am
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Re: Heresy ?

Lil bit more , made a start on the rear , right now it's locked solid at the rear as I still have the original rear suspension mounts in place , the wheel base was shortened by about 15mm by the front arms so my next trailing arms will be 15mm longer to get it back to the right length , it's hard to...
by Dadio
Mon Jul 18, 2022 11:37 am
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Re: Heresy ?

15mm longer arms and the gearbox is free floating :D need to make a panhard rod to stop lateral movement , top right arm is pretty close to the motor so I'll move it outward 4mm at the axle end , the arms came out more parallel than I planned anyway , the JRX2 arms flare outward more and that's the ...
by GRRacing
Thu Jul 21, 2022 3:19 am
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Re: CVRB Custom Vintage Racing Buggy...

Some track test pics...

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by Dadio
Mon Jul 25, 2022 4:18 pm
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Re: Heresy ?

Got the hopper body fitted , needed the cutout for the motor elongated , also got some temporary front shocks fitted , really crappy WLtoys A959 shocks but the fit is good as is the spring rate . Just got to fit some electronics and I can give her a whirl. :D IMG_20220725_210131_218.jpg IMG_20220725...
by GoMachV
Thu Jul 28, 2022 1:40 pm
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Re: Marui Big Bear tires - let's CAD :)

Wow! Yes big bear tires are hard to find and I have four flat and rotted ones on my truck so this is of interest to me!
by Dadio
Sat Jul 30, 2022 3:25 am
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Re: Marui Big Bear tires - let's CAD :)

@GoMachV TPE is more rubber like and better for tires .
For anybody not familiar with CAD thinking what silvertripple is doing looks simple enough ......IT's Really Not Simple , very clever indeed .
by Dadio
Sat Jul 30, 2022 5:59 am
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Re: Marui Big Bear tires - let's CAD :)

Try exporting as a step file then uploading it back to Fusion , it gets rid of the timeline and just works with what is not what was , really works when Fusion goes black every time you do anything .
by Dadio
Mon Aug 01, 2022 12:36 pm
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Re: Marui Big Bear tires - let's CAD :)

I've watched a load of similar videos and they all use vacuum pumps , I keep thinking I really need one .
by Dadio
Tue Aug 02, 2022 1:18 pm
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Re: Marui Big Bear tires - let's CAD :)

Mark , I have a resin printer , if it would help I could print a split tire that could be used to make a mould , my printer is too small to make the mould but a regular tire should fit , just a thought , you may have someone more local .
by Dadio
Sat Aug 06, 2022 11:33 am
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Re: Marui Big Bear tires - let's CAD :)

Your going right off the map with this project , all I can offer is to wish you luck .
by threesheds
Tue Aug 23, 2022 9:04 am
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Re: So what did you get in the post today ???

Zerda with history. I think I'll continue zerda from wreck to runner thread for the rebuild, now where's that screwdriver?
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by threesheds
Tue Aug 23, 2022 11:02 am
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Re: Hirobo Zerda: from wreck to runner

Zerda wreck II
from Switzerland to the UK.
set up as a drift I guess with support/chassis protection strips.
Steering servo with a plug I hadn't seen before.
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by rc10nick
Fri Aug 26, 2022 10:54 pm
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Re: Marui Big Bear tires - let's CAD :)

Amon my research I started to talk with someone on another forums about moulding tires. From the discussion, I'm now convinced it is possible to do with a single part for the center mould. The flexibility of the tire should be enough to get the center part out. I'll need to work out the mould for o...