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Ducati 750 Sport 1/9


protarguy
03-23-2008, 04:01 PM
Hello all together,
this is my first WIP in this forum.
I would k´like to show how I built a Protar
Ducati 750 Sport from "junk".

This was my starting point:
http://foto.arcor-online.net/palb/alben/85/5480285/6539323861643365.jpg

A built model from Ebay, all the main parts were there, the model must have
been exposed to heat beacause the frame was severly bent as you can see on the photo.

http://foto.arcor-online.net/palb/alben/85/5480285/6435366261643461.jpg

During taking apart the model the frame cracked and I had to repair several bend tubes.

http://foto.arcor-online.net/palb/alben/85/5480285/3930636431333766.jpg

I used several diameters of plastic tubing and putty. The rear frame loop was also replaced later on.


Next I worked on the engine. With some help and drawings of a japanese modeller
I was able to replace the cylinders with scratchbuilt ones.

http://foto.arcor-online.net/palb/alben/85/5480285/3532666135613464.jpg

Here you see the parts for the cylinders. The large engine fins are made of 0.4mm aluminium,
the smaller "in bewteen" ones are of 0.6mm plastic sheet.
The drawings for the parts were printed on self sticking label paper,
put on the aluminium and plastic sheets and then cut out with sciccors
and trimmed to shape with files.

http://foto.arcor-online.net/palb/alben/85/5480285/6433616637646131.jpg

Here is the completed front horizontal cylinder compared to the original
kit piece. I also had to scratchbuilt half a part of the bevel drive housing.

http://foto.arcor-online.net/palb/alben/85/5480285/6361623566356536.jpg

Some parts for the engine.

http://foto.arcor-online.net/palb/alben/85/5480285/3937323933333536.jpg

The carbs also got some detail treatment.


http://foto.arcor-online.net/palb/alben/85/5480285/6266363632626162.jpg

First trial fit of the engine.

http://foto.arcor-online.net/palb/alben/85/5480285/6332663334623136.jpg
The tank, seat and frame in "raw" stage.
I had to repair the seat "frame" several times. The plastic is very brittle after
some 25 years of age..

So far the first steps on my Ducati kit restoration

Cheers
Uli

ketje
03-24-2008, 06:27 AM
Interesting built

protarguy
03-27-2008, 07:55 AM
Some small progress:

The engine covers have been dechromed using oven cleaner
and painted enamel gloss black as a base for Alclad Polished aluminum.

http://foto.arcor-online.net/palb/alben/85/5480285/3865343530383332.jpg

I reworked the gauge decals from a second decal sheet.
The original ones were too small and printed not very clearly. (right)
Some small hours of work with Adobe Photoshop showed better results....
(left)

http://foto.arcor-online.net/palb/alben/85/5480285/1280_6331316334383065.jpg

The simple reason for rebuilding this "junker" is :

The price for a mint kit is insane!!:screwy:

I also have a Protar Benelli 750 SEI.
For this kit I am looking for a headlight housing and the right hand side engine cover.
Can anybody help? Spare parts?
Recasts?


Uli

protarguy
03-29-2008, 04:41 AM
Some small progress:

The rear light has been dismantled and some matte red colour has been removed.
Then it has been painted with clear red inside and outside.
Protar has provided a separate clear part for the licence plate lens.
http://foto.arcor-online.net/palb/alben/85/5480285/3031653938393431.jpg

I added two small screws for realism.

http://foto.arcor-online.net/palb/alben/85/5480285/6666323263363139.jpg

Mounted to the rear mudgard with wiring cable.

http://foto.arcor-online.net/palb/alben/85/5480285/6236353536333833.jpg

The side covers have louvers covered with wire mesh:

http://foto.arcor-online.net/palb/alben/85/5480285/3138336530613339.jpg

There will be a decal covering the 750 script.


For colour I choose a Duplicolour rattle can RAL 1028 "mellon yellow".
First test fit of frame , engine and tank:

http://foto.arcor-online.net/palb/alben/85/5480285/6530373931616466.jpg

Uli

stainlesssteel
03-29-2008, 03:24 PM
Interesting restoration project you've got there! im going to follow this one as well :)

protarguy
04-03-2008, 04:06 PM
Some progress:
The wheels are in the works!

Here you see the front rim and hub in my "wheel-o-matic" centering jig.

http://foto.arcor-online.net/palb/alben/85/5480285/3931333730346438.jpg

The holes for the spokes have already been drilled and the hub has been painted matte aluminium.
The spokes are 0,4mm stainless steel rod, the spoke nipples are 0.8mm brass tube.

One side done.

http://foto.arcor-online.net/palb/alben/85/5480285/6261643763653035.jpg

Here are the completed wheels and above the rest of a kit wheel with plastic spokes.

http://foto.arcor-online.net/palb/alben/85/5480285/1280_3563393664356435.jpg

This has been an afternoon´s work but it is worth it, don´t you think?
Protarguy

stainlesssteel
04-03-2008, 05:45 PM
Wow, brave try with the wheels! I remember a site where it shows how to do it...dont remember which..anyways Keep updating!

protarguy
04-04-2008, 12:27 AM
Wow, brave try with the wheels! I remember a site where it shows how to do it...dont remember which..anyways Keep updating!

You mean this site?

http://web.mac.com/risk_suzuki/Site/HOW_TO.html


Uli

stainlesssteel
04-04-2008, 10:20 PM
You mean this site?

http://web.mac.com/risk_suzuki/Site/HOW_TO.html


Uli
well not exactly, but VERY similar, i just found mine on another modeling forum, take a look at this http://kimshouse7015.com/, sorry it doesnt has subtitles, but im sure you'll find useful information there! and thanks for the site!

denman2
04-09-2008, 03:07 PM
Very nice to see this beauty seeing to be rebuild.
I made this kit many years ago ( my first big scale ).
I shall look if i have mine some where.

good luck
denman

protarguy
04-10-2008, 03:26 PM
A quick update:


Started to work on the cables.
Here you see the speedo cable and the rev counter cable.
Both are some electric wires from the model train department.
The fixing "nuts" were made of 2mm aluminium wire from a crafts store,
rolled under a file to press the grooves into the wire.
Then it was drilled in the right diameter and cut off.
Voila- a "knurled thumb screw"
(This is a Babelfish translation for the german "raendelschraube"..)
The silver "shaft" is simply a selfsticking aluminium foil.

http://foto.arcor-online.net/palb/alben/85/5480285/3637333762363835.jpg

The bike put together for a quick check and motivation..

http://foto.arcor-online.net/palb/alben/85/5480285/3462303532666261.jpg

I am waiting for the decals. A fellow modeler prints them on his Alps for me.
The original Protar ones a rub-on stickers, not bad
but I am afraid of fixing the long stripes on the tank.


http://foto.arcor-online.net/palb/alben/85/5480285/1280_3431643332376431.jpg

The next task are the exhaust pipes.

Stay tuned!

joelwideqvist
04-11-2008, 02:16 AM
wohaa, some excellent restoration work here! Incredible how you did those cylinders.
/Joel

protarguy
04-19-2008, 01:19 PM
Small update:

The exhaust system: the original on paper.
Protar missed out on the crossover pipe which
runs under the engine. (marked in red).
I bent the exhaust tubes from 4mm solid aluminium rod to avoid kinks. T
he silencers are from the model. First I wanted to cover them with Alclad Chrome
but switched to good old Bare metal foil.
These Alclad paints have a great shine but rub off very easily.
I had to adjust the pipes several times.



http://foto.arcor-online.net/palb/alben/85/5480285/3339656339366230.jpg


A test fit on the model:


http://foto.arcor-online.net/palb/alben/85/5480285/3236666434636638.jpg


Uli

protarguy
05-22-2008, 06:52 AM
Here are some pics from the finished model in light May rain:
http://foto.arcor-online.net/palb/alben/85/5480285/3835333866363866.jpg

http://foto.arcor-online.net/palb/alben/85/5480285/3866623436383066.jpg
http://foto.arcor-online.net/palb/alben/85/5480285/3563663438313962.jpg
http://foto.arcor-online.net/palb/alben/85/5480285/3365616537376363.jpg
Hope you like it!
Greetings
Protarguy

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