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robysoldtamiya
08-31-2005, 04:06 PM
I'm not start building a truck, I'm just doing some mods to an old truck to improve off-road use without the pain to find spare parts. The idea was to lock all 3 diffs, but this would end inbreaking them, so the project is build new locked diffs using easy to find gears. The truck has same front and rear diffs. I found that Tamiya TG10 diff gears could work, I just have to trim them and reduce diameter to 32mm. I then built a gear mount, it took me 3 times to have the right one. A similar will be built for front.
http://oldtamiya.interfree.it/projects/kyosho_pajero_01.jpg
http://oldtamiya.interfree.it/projects/kyosho_pajero_05.jpg
I wanted to use both original axales, but once into the diff mount I found they are not centntered, so I will have to find an one piece steel axale.
http://oldtamiya.interfree.it/projects/kyosho_pajero_06.jpg

One weak point of rear axale is it breaks easily. This truck came with the axale broken, so I made a brass tube and glued it inside to reinforce.
http://oldtamiya.interfree.it/projects/kyosho_pajero_02.jpg
http://oldtamiya.interfree.it/projects/kyosho_pajero_03.jpg

Next I went in the central diff. This diff turns by a belt from main spur gear.
I bought aluminium pulleys and reinforced belts since this will be a weak point.
http://oldtamiya.interfree.it/projects/kyosho_pajero_07.jpg

Again I made a brass shaft for the pulley, then I had to make collars for ballbearings since the shaft is 6mm diameter and ballbearings are 8mm inside.
http://oldtamiya.interfree.it/projects/kyosho_pajero_08.jpg
http://oldtamiya.interfree.it/projects/kyosho_pajero_09.jpg

The central unit assembled.
http://oldtamiya.interfree.it/projects/kyosho_pajero_10.jpg

In the next days I will make front locked diff, then I will rebuild main spur gear with new pulley. I'm thinking to add a 3 speed gearbox now that they are easy to find. But this will be a second stage work. I really want to trst all my gears before going on with more mods.
I love Kyosho 1:9 trucks and I'd like to run them without troubles.

Stay tunes

Roby

Froshmasta
08-31-2005, 05:15 PM
I love those old kyosho rigs too. it's a shame they didn't get more popular because there's hardly any around now :(

Spoon37
09-01-2005, 04:16 PM
very cool work.... :chug: :chug:

should be killer once its done, plus it will be the coolest 1:9th kyosho cuz you wont be afraid to bash with it.... :chug: :nice:

I must admit when I saw the title I had a brain fart and thought it was 1.9" wheels not 1:9th scale and was gonna move it to the 1.9 forum.... :lol:

:banana:

robysoldtamiya
09-02-2005, 01:56 AM
Thank spoon !
Yesterday I made a one piece brass axale for rear.

Did anybody ever use a brass axale ? Does it bend easily ?

Roby

Rikpal
09-02-2005, 02:48 AM
If it will bend just rebuild it :lol:
I don't wanna waste my time telling you the ususal boring compliments ;)

BTW where are the overall pics of the rig?

robysoldtamiya
09-02-2005, 02:57 AM
Thank.
I don't have pics because there is no 'overall'.
It is all in pieces

Roby

Rikpal
09-02-2005, 07:07 AM
So take pics of a box with all the pieces inside it and you'll have overall pics :lol:

robysoldtamiya
09-02-2005, 07:33 AM
I'll give it a try.
Maybe put in the ROM

:duel:

Roby

Spoon37
09-02-2005, 11:48 AM
I dunno about brass - I'm certain it will be tougher than alu, but no idea how it compares to steel.....best bet is try it, worst than can happen is you need to make one out of steel if it fails....

keep us updated as it comes together.... :chug:

:banana:

robysoldtamiya
09-02-2005, 05:02 PM
Hi guys.
It's 1am here and I just came up from my basement.
I assembled it for my first test run tomorrow afternoon.
I ran it in my garage, couldn't resist to see how it runs.
Too much fast, I left his stock motor in
Tomorrow I'll see

Roby

robysoldtamiya
09-03-2005, 03:58 AM
This is the rear axale.
http://oldtamiya.interfree.it/projects/kyosho_pajero_11.jpg

and some pics of the truck. I replaced stock propeller shafts with stampede sliders.
They surely look better :banana:
Roby
http://oldtamiya.interfree.it/projects/kyosho_pajero_12.jpg
http://oldtamiya.interfree.it/projects/kyosho_pajero_13.jpg
http://oldtamiya.interfree.it/projects/kyosho_pajero_14.jpg

Tamiya Cowboy
09-04-2005, 05:00 PM
:unsure: Nice rig I like the wright up makes me think I should keep it insted of sell it
________
Vapormatic Deluxe Instructions (http://vaporizer.org)

SkidPlate
09-04-2005, 06:01 PM
Thats some pretty neat stuff. It actually makes 2.2's look scale.

Slyp Dawg
09-04-2005, 06:31 PM
damn, that thing looks rugged, like it could be jumped off a cliff and only suffer superficial damage! (kids, don't try this at home :lol: )

Froshmasta
09-04-2005, 08:22 PM
niiiiiiiiiiiiiiiiiiice :nice:

robysoldtamiya
09-05-2005, 01:30 AM
Hi guys.
Yesterday I made my first offroad test.
It failed
:cryin:

rear bevel/gear mesh wasn't right and I've heard terrible noise from that.

Have to check it again

Roby

Rikpal
09-05-2005, 03:04 AM
That sucks :(
Hope it's a minor problem.