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Old 01-30-2014, 03:54 PM   #1981
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YW and good luck

Regards Roy
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Old 01-31-2014, 02:29 AM   #1982
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Quote:
Originally Posted by racer robert View Post
Have a look at this excellent resource: http://rcf1blog.blogspot.com/

This blog has tons of info to get the most out of many F1 cars including the classic F103. Just look for the F103 articles.
Wow lots of info,
It almost makes me want to buy an up to date F1 car,but I don't think I will gain anything over the f103!
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Old 01-31-2014, 02:31 AM   #1983
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Originally Posted by whitrzac View Post
Tires are whatever the fast guy is running.

There's more than 1 battery holder?

Tplate, snug screws so it doesn't flop around.

ride height 2-5mm, whatever doesn't drag and matches the front.. Higher if it's the 15th av ed. You don't want to scratch it.


If you want to get really technical you could try running washers instead of Orings in the T bar...



It's an f103, it will handle 90% the same no matter what you do to the car...
I an one of the fast guys,on 20year old tires and it's the 10% I'm looking for
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Old 02-01-2014, 09:25 AM   #1984
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Hi,
I ran the car last night,black front spring,1mm washer under the front wing mount screw for angled caster,3mm off the posts for camber,slight toe out,

Rear black rubber O rings,front one tight rear one loose,nearly flat TRF shock with white spring and 30wt oil,the short top deck,

We have zero grip on carpet for the first heat but the car was ok,second heat I changed to gold fronts,the grip had come up but the car was still a bit understeering,but set TQ third round the grip had come up again but still got understeer,got Q 2 on the grid,the grip had come up again in the finals,my car was on rails for about the first min,I took the lead and pulled away easy,then it was as if the front was giving up grip and the rear was stuck and not letting the car rotate,could this be the hard fronts and soft rears( not full wheel width on the rear)or can you see something in the setup as I want to try and make what iv got work,also has anyone Got a tip on how to get both wheels to turn the same,on full lock the inside wheel is right in but the outside wheel has only just gone half way,I know it's due to the servo movement but can it be made better on the outside wheel?
Kind regards
Mark

Last edited by reg; 02-01-2014 at 09:38 AM.
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Old 02-01-2014, 09:52 AM   #1985
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Go for a softer front tires or sauce it longer and full if you didn't do that allready

regards Roy
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Old 02-03-2014, 12:48 PM   #1986
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Quote:
Originally Posted by reg View Post
Could someone give me a setup for the whole car for med/low carpet please,plus and little tips and tricks
Here's the full setup for my F103, for low grip carpet on foams. It might not work for others but works very well for me. There might be some tricks in there that might help your setup.

TRG Advance front wing
carbon reinforced front suspension arms.
Front springs Associated 0.20
1mm thick washer between wing and front of suspension arm to increase caster.
Centre posts cut down and replaced with spacers. Camber is set at around 1 degrees, adjust so tyres wear flat and don't cone.
Kimbrough small servo saver with turnbuckles mounted on rear, see image below. Very slight amount of toe out.
15k silicone oil on kingpins for damping

Standard chassis and short top deck.
Standard T-piece, found the rear end tends to hop across the track using the soft T-piece.
1.5mm thick plastic washer at front
O-ring at rear, used to adjust chassis balance.

Tamiya 53173 low friction damper and spring, 30wt oil
Low friction damper disks, silicone grease for damping, amount varied to tune handling.

3Racing alloy motor pod for extra cooling
F103 diff with Tamiya alloy diff parts
Tamiya one piece thrust bearing
Tamiya steel axle
TRG standard rear wing

Ride height is 5mm front of chassis, 6mm rear, with 1mm pod droop.

Tyres are
Fronts - Tamiya HBR medium
Rears - Tamiya HBR soft
Tyre additive - CS High Grip, full width rear inside half fronts, vary to adjust balance.
On high grip tracks I change to Zen Racing 37 shore fronts and 25 shore rears, with front tyre sidewalls superglued to stiffen them and prevent grip rolling, front tyres trued down and rear height adjusted to get down to 3-4mm ride height front and rear. Add more grease in damper disks and adjust rear T-piece screw to get the balance right.
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Old 02-03-2014, 12:58 PM   #1987
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Quote:
Originally Posted by reg View Post
,then it was as if the front was giving up grip and the rear was stuck and not letting the car rotate,could this be the hard fronts and soft rears
Sounds like too hard a front tyre but if it is working okay at the start of the race then losing grip try increasing the time additive is on the front tyres, do the fronts first then wait a while before treating the rears. Just increasing the width of additive on the fronts might give you better balance later in the race but is likely to make it a bit loose at the start. The best cure would be softer front tyres to balance the handling. Kit tyres are designed to make it understeer for any newbie running it outside on a car park, makes it easy to drive.

Quote:
Got a tip on how to get both wheels to turn the same,on full lock the inside wheel is right in but the outside wheel has only just gone half way,I know it's due to the servo movement but can it be made better on the outside wheel?
Mount the steering arms as far forwards on the servo, as near as possible to the suspension arms. Attaching the steering links as close as possible on the servo saver, I use a Kimbrough small servo saver which I think mounts the links closer together than the kit servo saver, although I chose the Kimbrough as it doesn't get sloppy like the Tamiya one does.
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Old 02-03-2014, 03:59 PM   #1988
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Thank you guys that's very help full,
What do the carbon arms do to the handling over the std ones?

Do you have a part number for the front AE springs?

Regards
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Old 02-03-2014, 04:07 PM   #1989
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ASC4113 if i am not mistaken.

Regards Roy

Quote:
Originally Posted by reg View Post
Thank you guys that's very help full,
What do the carbon arms do to the handling over the std ones?

Do you have a part number for the front AE springs?

Regards
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Old 02-03-2014, 04:57 PM   #1990
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Quote:
Originally Posted by reg View Post
Thank you guys that's very help full,
What do the carbon arms do to the handling over the std ones?

Do you have a part number for the front AE springs?

Regards
The carbon reinforced arms are much stiffer so in theory should make the front end more responsive, but I don't notice any difference in handling. The reasons I use it is that the reinforced plastic is harder wearing so the holes the kingpins pass through don't get sloppy and the tougher material means it's much more durable in accidents so doesn't snap as easily as the standard plastic ones.

Associated springs are used on mine because I run 1/12th and WGT so have plenty of 1/12th springs to use. They aren't any better than F1 springs, it's just what I have at hand.
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Old 03-01-2014, 08:12 PM   #1991
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Just recently picked up a sweet, vintage F103GT. The guy said it had been run but with the look of the undercarriage and the body, this thing hardly saw track time or any other kind of runtime.
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Tamiya F103 Forum-20140301_111754.jpg   Tamiya F103 Forum-20140301_112600.jpg  
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Old 03-22-2014, 09:24 PM   #1992
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I can't seem to find rubber front f103 tires for my f104W. Do I need to get foam rims and use RIDE f103 tires?
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Old 03-23-2014, 06:50 PM   #1993
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Quote:
Originally Posted by ic-racer View Post
I can't seem to find rubber front f103 tires for my f104W. Do I need to get foam rims and use RIDE f103 tires?
Ride, TRG and Shimizu all manufacture F103 rubber tyres. Try RcMart.
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Old 03-25-2014, 03:02 PM   #1994
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Ride, TRG and Shimizu all manufacture F103 rubber tyres. Try RcMart.
As far as I know those tires don't fit on the Tamiya f103 front rims. Am I wrong?
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Old 03-25-2014, 04:15 PM   #1995
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Quote:
Originally Posted by ic-racer View Post
As far as I know those tires don't fit on the Tamiya f103 front rims. Am I wrong?
If you get the right ones, you should be fine. Check out this article:

http://rcformula1.com.au/index.php/tech-tips/tyres

Phil.
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