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Scale 4x2 and Buggy R/C vehicles This is the place to put your Sand Scorchers, Bajas and other various 2wd offroad R/C's


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  #121  
Old 07-16-2016, 10:27 AM
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Originally Posted by Trini2DBone View Post
That sir, is a work of art! That's pure A1 desktop / background material !!
Now , excuse me while I go change me shorts.....
Ha !, Fantastic !, FYI " It's all in the lighting ",,,,

Last edited by Junkyard Stance : 07-18-2016 at 02:30 AM.
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  #122  
Old 07-17-2016, 09:19 AM
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Much appreciated lilsami87
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  #123  
Old 07-17-2016, 09:54 AM
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Default Junkyard Stance Sand Scorcher, louvered rear sun shade - Revisited

So - This part has been bugging me like no other - it's been tricky - the rear window frame is effectively a rectangle, with rounded corners, that curves differently along both its axis ! - What ??
But, the main reason I have to get it right is - it's the first custom part that I thought of ! -
"Wouldn't it be cool to have one of those 1970s louvered rear sun shades" I mused. I've now built a Porsche twin turbo engine,,,
"The sun shade will not defeat me"

So - A Recap

A two part assembly, the Louvered Sun-Shade, and a Hinge that replaces the two stock Tamiya spacers that hold the body clip in place - It opens upwards to allow access to the body-shell clip

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Here's the hinge on the inside

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and with the body clip also fitted

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But the fit when closed was poor ! its curves were quite right, the size was slightly off, and it missed the window frame in a couple of places

My solution - good old "trial and error" - For the cost of one more failed print , I printed 5 slightly differing rear window frames - covering all size and curve variants that I wasn't sure about, and wanted to test
I used different colours to avoid the confusion that would have occurred if they'd all been black !

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The one that was the best fit - the blue one - became my revised start point, I added the slats and hinge parts, and at last, I was now going in the right direction !

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There were some very minor tweaks to the outside frame ( from the inside, the fit is not quite so good, but it can't been seen, so I'm living with it)

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Which I fixed on the next iteration

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It opens just enough to get your finger tips to the release clip

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It now has three catches along the bottom edge which hook on to the window frame when pushed shut - it has a reassuring "click" into place

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And the final fit ? from the outside - I'm very happy

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Last edited by Junkyard Stance : 07-18-2016 at 02:33 AM.
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  #124  
Old 07-17-2016, 10:33 AM
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Default Junkyard Stance Sand Scorcher, Roof Rack

Next up, my plans for a Roof Rack - not because I'm a big fan of Roof Racks, but I'm making a "Build and Run" video, and want to be able to attach a GoPro to the Sand Scorcher, somehow.

A Roof Rack, that double as a mounting plate for whatever GoPro mount I need to get the camera angles I want ! -

I wanted to keep it as low profile as possible, be strong, but also believable as a custom Roof Rack - My design:

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I printed it in black nylon plastic at first, to check the fit, and test my GoPro mounting options.

Below, I'm build a rotating "selfie stick", made from an upturned castor with the wheel removed

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It attached to the Sand Scorcher bodyshell with 4x 25mm M2 screws and lock nuts - I drilled right through the shell and "glass" ( with the glass fixed tight in place)

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Very pleased with my results, the GoPro mount and rig worked well, and the look of the Roof Rack had grown on me - So I tweaked the model to suit Shapeways steel material, and has it printed in nickel polished steel - it wasn't cheap, but my plans for hanging camera equipment and lights off the Sand Scorcher required a robust Roof Rack !

It's weights over 200 grams, that 7+ oz !

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The added weight up top will help give this Scorcher some tilt and sway when cornering ! - I'm not building a racer here, so adding weight doesn't bother me.

The revised metal design added more mounting point holes for a variety of camera mounts I'm planning, and some more perforations to help with the scaled look

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But in true Junkyard spirit, this freshly cast solid steel Roof Rack needs the Junkyard Stance treatment

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Working straight on the metal with enamels is a pleasure, no risk of damaging the undercoats !, and it goes on beautifully

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When dry, the rust effect is very convincing,

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When totally dry, It's on with the latex masking fluid

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  #125  
Old 07-17-2016, 10:45 AM
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Default Junkyard Stance Sand Scorcher, Roof Rack

The latex masking fluid dries to a clear film which is hard to see, so it's easy to over do it - putting too much on as it's hard to keep track of where you've already done and where you haven't - I think this happened here !

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The whole process can be repeated to give the effect of further paint layers that are stripping away

Next, two coats of gloss acrylic black,

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And when completely dry , start picking away at the black lumps that are clearly on top of masking fluid

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Soon, the whole lot starts peeling off

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Close up, the effect looks very realistic

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I tried to add the masking fluid where the rust would naturally form

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Perhaps I did over do it - there's not much paint left !
I may give the whole Roof Rack, one more layer of peeling paint, maybe in the lime green ?

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The fixing screws are partially hidden by the design of the "feet", which sit just above the gutter on each side

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  #126  
Old 07-17-2016, 03:02 PM
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I love the engine!!! Awesome work!
And I love a lot of the upgrades you've done but I don't like what
you've done with the wheels/tires… I don't like the wide wheels setting...

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  #127  
Old 07-18-2016, 11:19 AM
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roof rack is excellent, have you thought about a bracket to mount the gopro hanging low and back off the driver's side in front of the rear wheel? get to watch good suspension action and sand flying in slo-mo
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  #128  
Old 07-19-2016, 05:59 AM
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more excellence
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  #129  
Old 07-19-2016, 07:24 AM
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Killer job.
Loving the progress of this one.
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  #130  
Old 07-19-2016, 08:31 AM
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This is a totally awesome build! LOTS of cool stuff going on here and very realistic. Great job!

I am curious about one thing however...

To the best of my knowledge, all 1:1 Baja kits (nose, trunk lid, fenders, engine cover) were fiberglass. To me, those parts rendered in rusty steel just don't make sense.

I think it would add even more realistic authenticity if the nose, trunk lid, fenders and engine cover were replicated as old, faded, cracked, chipped gelcoat fiberglass.

I'm sure with your modeling and detailing skills, that would be no problem!

I have seen a few Baja Beetles where the builder only used the aftermarket fiberglass nose, trunk lid and engine cover and then took a sawzall to the steel fenders, so it that case the rusty fenders still work.

But ultimately it's your project. So don't mind me if you disagree with my thought process!

Kruzn
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  #131  
Old 07-19-2016, 06:28 PM
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Originally Posted by Kruzn View Post
To the best of my knowledge, all 1:1 Baja kits (nose, trunk lid, fenders, engine cover) were fiberglass. To me, those parts rendered in rusty steel just don't make sense.

I think it would add even more realistic authenticity if the nose, trunk lid, fenders and engine cover were replicated as old, faded, cracked, chipped gelcoat fiberglass.

Kruzn
my thoughts when i painted mine, rusty body (not nearly as well done) and glossy white on the fenders, nose, and hood like a 'glass kit installed on a beater bug.
/end hijack

can't wait to see what's next for junkyard stance!
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  #132  
Old 07-20-2016, 10:58 AM
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Originally Posted by Badboy View Post
I love the engine!!! Awesome work!
And I love a lot of the upgrades you've done but I don't like what
you've done with the wheels/tires… I don't like the wide wheels setting...

Badboy
Hi Badboy Glad you like to upgrades and the engine ! - I've been working on my wheel designs and I've got my final set of rims in production - the reason for my "Deep Dish" style will become apparent, and hopefully I might persuade you ! - they are still wider than normal though,,, it's a matter of taste I guess
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  #133  
Old 07-20-2016, 11:08 AM
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Originally Posted by hairba11 View Post
roof rack is excellent, have you thought about a bracket to mount the gopro hanging low and back off the driver's side in front of the rear wheel? get to watch good suspension action and sand flying in slo-mo
Hi hairba11 - I will indeed be trying to get some slow mo of sand and dirt coming off the rear wheels and such like- initial tests have proved to be promising

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  #134  
Old 07-20-2016, 11:08 AM
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Originally Posted by Chevelle View Post
more excellence
Thanks Chevelle ! glad you're enjoying the build
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  #135  
Old 07-20-2016, 11:09 AM
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Killer job.
Loving the progress of this one.
Thanks for checking back 2Beers, plenty more to come !
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