TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

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TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:31 am

Que tal amigos, aqui les dejo mi ultimo trabajo, pegare las fotos pues son bastantes y despues añadire el texto, por que son bastantes fotos pues fue una año de trabajo, empezo como algo simple para salvar un kit roto y acabo siendo algo superdetallado.
Esta en ingles pues estoy copiando de otro foro:


TAMIYA Yamaha 500 Grand Prix-Kenny Roberts conversion to Roland Snads style (KRV5)

My model was very good assembled, in a little diorama, but with year it began to fall apart:

Tires began to crack:

When it was really broken, I used some big parts for other bike:

These are the remainings:


Do you know Roland Sands KRV5? It uses a Moto GP engine, and KR stands for Kenny Roberts, so I decided to turn the 500 gp into a "Roland Sands" style bike, using the 500cc engine and tires, all rest has to be scratchbuild so is going to be hard:

I was drawing on a image of the 500 gp to see if engine matches geometry:

Then my final model is more or less going to look like this:

Im getting all styrene tubing I can, over here is hard to find it, I need it soon to make the other bikes frames.

I was in a 7 eleven and I saw the coffe straws, there was like 10 of those, so I got them, they have the right diameter, they are really hard to make a frame, It was really hard to find the rigth materials because here scale model culture is not very popular.

Im using a reference picture to bend the tubes (straws), and the original frame to determonate width



The Roland Sands original bike doesnt have front brakes, but Im thinking adding them to mine, cause I like this bike to be a open track day one, any way It has slicks.
Making the frame is not so hard, some bends, some glue, some cuts, some putty, the difficult par is to aligne the frame, It means the right distance from the rear axle to the gearbox, so the chain fits correctly, the engine attachments are goning to be the same, Im going to cut them off from the original frame, but I have to calculate the right angle of the engine so the exhaust tubes fit the frame correctly, this is a 2 stroke bike so I have to use the same exhaust tips.


Im exited this thing is beggining to take shape, I cant wait to see the frame painted in yellow.



Im working right know on the "Darla" s frame, I hope tomorrow Ill post some pictures, the frame is longer, are simpler.
Here is the rest of the frame construction, hard to aligne, I cutted off the original engine supports and added them to my hand made frame, so I can have the right width:



The exhaust pipe is to low, I have to cut it:

The old frame next to the stiled frame:






Now I have to detail, sand more, add the rear axle holders, and begining building the rear fender and the fuel tank.
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ALEX GAROLI

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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:32 am

I had to use the center of the disc to mantain aligned the rim in the axle:

And now one of the harder but fun parts, the body parts, first in I get the shape in paper, then in thicker paper to correct errors, and then in plastic, you have no idea how much I had sanded, primer, sand, primer, sand...











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ALEX GAROLI

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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:33 am












[IMG]http[URL=http://img189.imageshack.us/i/img3238ba.jpg/][IMG]




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ALEX GAROLI

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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:34 am

NUmber plate:



Radiator housing:








Radiator housing support:


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ALEX GAROLI

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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:37 am


Now I added frmae details like rear fender, peg supports, exhaust pipes suports, stand pegs, rear caliper, etc:




Now time to make the handlebars, styrene tube and grips from other bike:





Now the seat, it is bicycle type, I used 2 plyes of 3mm stryrene and a lot of sanding, some dremel work too:





A rivet is added for detail and finnaly brown leather paint, some shades too:


Now seat support:

All scratch parts finally finished, I can bealive it took me more than a year to make all this little pieces, but now is the more fun part, is like I just opened a Tamiya kit, so time to paint and glue parts:

Here with the doned parts from the yamaha ysr 500:

Finally testing all parts fitting, the bike looks amazing!!!



Here is the finnal paint schemme:

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ALEX GAROLI

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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:38 am

Oh I forgot to build the radiator!, I only made the radiator housing, well tomorrow I will do it, I painted the parts white so the yellow is going to be brighter:
[imghttp://img534.imageshack.us/img534/7321/img4326.jpg][/img]
This is my first time doing wleds, I usen testor putty, I think they are really ugly but, what can I do, my first time:


Alclad 2 chrome for the engine and exhaust pipes:

And some blue, red and gold for the welds, colors are really intense so Im going to do some overpainting with chrome:

Nice contrast:



Testing seat:

More images:


Hi, after a while, here is some advance, this took some time because ti paint, I have to wait from layer to layer diferent colors.
Here is the base color:

The second color:

Now the decals, I already made them, but I will post teh process, due the decal paper is really transparent, and I dont have a printer that prints white.
1.-Y painted some decal paper in white ando some in black:

2.-I printed the background of the decal (in this case rsd logo, stands for roland sands design), and draw the shape im going to use:


3.-I applied the decal on the white painted paper:

4.-Now I cut the piece and applied it on the black painted paper:

5.-Now I cut the piece again, leaving a black edge, and I have my final product

6.-I put the decal on the model, with some tamiya mark fit softener, I was surprised this softener works with the painted paper really well:

The decal looks blurry because I made it really quickly, just for an example.
Here are the real ones with the clear coat on, so at the end, they are a fory layer decals, bacause of the logos and number 1:

I have used this technique a lot with adhesive vinyl, but the result is very thick decals, even with thick clear coat on, example:



I masked the model to paint the white areas, but later I decided to make the decals described:


I discovered with some tests, that adhesible viniyl is good to mask, the shapes result really sharp, but only if you now you have good adhesion in the base paint.
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ALEX GAROLI

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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:40 am

Now the radiator fabrication, I used diferent styrene calibers and some fabric net:


Fitting:


Painted:

More fitting:

This is not the final grille, it is just testing material:

I removed the 15 years old paint, eassy off worked well after 4 applies:

I used plastic tubing and really thin wire to mahe the hoses:


Pieces almost finshed, I use some CF on the exhaust tips:

Now finally comes the fun, the assembly:

I still have to make some pieces, pegs, shift linkage, brake pedal, some more cables and hoses, but thas a quik job.
Here are all the patterns I had to make:

Radiator housing:

Number plate:

Gas tanks:

Rear fender:

Cant wait to assembly the model, but I have to wait some days to polish and wax the paint, so Im spending my time in a fun quick build.
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ALEX GAROLI

Cantidad de envíos : 80
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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

Mensaje  ALEX GAROLI el Mar Jun 08, 2010 12:40 am

Well, lets begin the assembly, this is the radiator housing grille:




The forks:


I added a chain guide so the frame doesn't get scratched:

Clutch cover:

Testing fits:


Engine, I added fuel lines, spark plug cables, and water hoses:


I wanted to use some Hiroboy clear tube, but I is too thick, so I used a clear material used to make plastic necklaces:


Coils and fuel pump:

Acelerator cables:




Nice engine!



Ready to glue engine, no turn back from here:

Exhaust and rear end assembly:

Conecting cables:

Testing forks:

The hardest thing to do was to connect the water hoses:
[img]http://img294.imageshack.us/img294/4554/img5277l.jpg/[img]


Wow!

Everything is fitting right!







Now axle and hex nuts:


Now bike stang with styrene rods:





And its finished!!!!!!!

Its been so long time so I have the feeling I still have something else to do, but its really finished.
Ill post it in Complete model section later.

Thanks everyone for watching, and thans for your advice and comments.
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ALEX GAROLI

Cantidad de envíos : 80
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Re: TAMIYA 1/12 YAMAHA YSR 500GP CONVERTIDA A ROLAND SANDS CUSTOM

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