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Old 03-15-2009, 10:26 AM   #1741
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i also stumbled upon this...

new rc zen body:

http://rc-zen.com/z0004.html
around this weekend arrive !
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Old 03-15-2009, 11:21 AM   #1742
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Zen makes nice wings, but i feel like their molds for bodys are really sloppy
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Old 03-15-2009, 12:19 PM   #1743
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This is sorta related but. here are a few recent photos of my F103-R 15th Anniversary chassis with an LMP body.

Chassis: F103R 15th Anniversary
Body: Protoform Mulsanne
Tires: Kit Rear / HBR Soft Front
Motor: Straight out of the box Johnson 540

And here's a noobtube video of the car doing some laps. Enjoy.
+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.
Attached Thumbnails
TAMIYA F103 RM-f103lmp1.jpg   TAMIYA F103 RM-f103lmp2.jpg   TAMIYA F103 RM-f103lmp3.jpg  
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Old 03-15-2009, 12:55 PM   #1744
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I LOVE that body. Where did you find the decals???
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Old 03-15-2009, 01:38 PM   #1745
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Was building the F103R today and the diff sucks. I put it together according to the instructions. What gives? Anyone got any tips?
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Old 03-15-2009, 01:40 PM   #1746
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Did you attach the wheels? The wheel houses the thrust bearing assembly.
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Old 03-15-2009, 01:41 PM   #1747
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I LOVE that body. Where did you find the decals???
The decals are from the Tamiya ABT Audi TT-R kit number 58300. I am uncertain as to the exact part number for the sticker sheet but it is available for order from Tamiya America. I hope this helps.
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Old 03-15-2009, 05:49 PM   #1748
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I'm new on the Tamiya F103-chassis and I would like to drive a lemans-like car.

Could someone explain me the differences between the F103,
F103R, F103RM, F103GT ...?
And if possible, add some info on differences in driving-properties
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Old 03-15-2009, 06:08 PM   #1749
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Default WTB: 0.4 module spur gear 104 tooth.

I know all of you have bought the hopup spur gears. If you are not using the larger of the two that came in the bag, can you sell me the 104 tooth spur gear please? I will buy two if you have two.
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Old 03-15-2009, 06:35 PM   #1750
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Did you attach the wheels? The wheel houses the thrust bearing assembly.
Yes, just like in the instructions. The diff feels fine until I really start locking it down. I set the diff so I can't spin the spur with my thumb when holding both wheels. When I have it at this setting the diff just feels like crap. Maybe I just need to pick up the aftermarket spur gear adapter?
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Old 03-15-2009, 06:54 PM   #1751
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Yes, just like in the instructions. The diff feels fine until I really start locking it down. I set the diff so I can't spin the spur with my thumb when holding both wheels. When I have it at this setting the diff just feels like crap. Maybe I just need to pick up the aftermarket spur gear adapter?
From the point where you can't turn it loosen the nut about 120 degrees. More if the surface is slippery.
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Old 03-15-2009, 07:15 PM   #1752
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all items i had listed and more are on ebay...

i will combine shipping!!! i need money for tires and a set of ceramic bearings.
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Old 03-15-2009, 07:24 PM   #1753
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Yeah its a bit grindy. I assume an aftermarket spur with MORE diff balls would be better. Also, try sanding the rings lightly with some 800grit wet dry sandpaper... and make sure you use a little lube on there.... It should be okay. I run my diff on the looser side, almost at the point where it slips. With pan cars on asphalt, afaik, a little slip in the diff is the trick.

Maybe the diff balls or rings are just not that great. I would try to address those two issues first as a new spur really wont help that much (unless it has more diff balls).
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Old 03-15-2009, 08:57 PM   #1754
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Quote:
Originally Posted by idwurks View Post
Yeah its a bit grindy. I assume an aftermarket spur with MORE diff balls would be better. Also, try sanding the rings lightly with some 800grit wet dry sandpaper... and make sure you use a little lube on there.... It should be okay. I run my diff on the looser side, almost at the point where it slips. With pan cars on asphalt, afaik, a little slip in the diff is the trick.

Maybe the diff balls or rings are just not that great. I would try to address those two issues first as a new spur really wont help that much (unless it has more diff balls).
i use ceramic balls in my diff, with extra holes drilled between the default 6 holes giving it a total of 12 balls..
the plates are sanded with 600-800grit and plenty of AW grease in the thrust bearing etc..
that seems to keep them smooth for me
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Old 03-16-2009, 06:40 AM   #1755
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i use ceramic balls in my diff, with extra holes drilled between the default 6 holes giving it a total of 12 balls..
the plates are sanded with 600-800grit and plenty of AW grease in the thrust bearing etc..
that seems to keep them smooth for me
The aw grease worked and smoothed the diff out. It's still not a 100% to my liking, but maybe it just needs to get broken in.
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