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Old 12-31-2011, 11:58 AM   #3586
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Depends on where you race. At my local track we run 180s, 190s and 200s together also the FGX. Pit shimizu tires are popular. Gtb will work, but its a tight fit, not a lot of room.
I was thinking of a setup which would pass inspection at one of the big races like IIC or ROAR indoor carpet.

From the little bit I have read, it sounds like the wider F1s are faster so preferred for club racing but not legal for national competitions.

If the ease of driving, setup and handling was significantly better with the F103(or other wider chassis) then I guess I would lean that direction for my first car in this class.
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Old 12-31-2011, 12:28 PM   #3587
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F103 is great chassis! Probably the best f1 but isn't legal for most US races.
In the UK 200mm is still popular. Although 180mm will catch on too.
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Old 12-31-2011, 01:29 PM   #3588
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I was thinking of a setup which would pass inspection at one of the big races like IIC or ROAR indoor carpet.

From the little bit I have read, it sounds like the wider F1s are faster so preferred for club racing but not legal for national competitions.

If the ease of driving, setup and handling was significantly better with the F103(or other wider chassis) then I guess I would lean that direction for my first car in this class.
There are still an abundance of parts and hop ups for the 103, and it is a bit easier to get it working, but even if its your first, it wont be your last
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Old 12-31-2011, 01:41 PM   #3589
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but even if its your first, it wont be your last
quoted for truth.

Honestly, I think the F104s are catching up. With the new tire compounds available. Last night I ran my 180mm F1R with a 25.5 in it, against an FGX and an F103, I was quicker in the infield. My buddy, who is a fast guy, ran it and was doing laps within .3 of what he does with his F103. And that was a 25.5 vs a 21.5. and box stock set up. We are running the Nats at our track, so we are all having to get the narrower cars. Which is great, because there is nothing quite like HAVING to buy a new F1
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Old 12-31-2011, 03:00 PM   #3590
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quoted for truth.

we are all having to get the narrower cars. Which is great, because there is nothing quite like HAVING to buy a new F1


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Old 12-31-2011, 03:10 PM   #3591
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All you need is the F104 front end tree
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Old 12-31-2011, 06:08 PM   #3592
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All you need is the F104 front end tree
We know that, you know that, but our wives don't know that.
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Old 01-01-2012, 03:23 AM   #3593
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Probably medium front and soft rears to start. It's easier to dial steering out than it is to cure large amounts of oversteer without rear additive.

What I'd done with WGT tyres before at a pressed for time club meeting is additive them a couple of times, then run without for the rest of the night. As the track cleans up and the additive gets into it then you need less on the tyres.

Have fun and shout if you need any more help or advice
Top man, thanks for the info.

What's the difference between WGT wheels and 1/10 pan wheels? Guessing the pan wheels are a little bit wider?
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Old 01-01-2012, 03:36 AM   #3594
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We know that, you know that, but our wives don't know that.
That is GOLD
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Old 01-01-2012, 04:08 AM   #3595
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http://f1paintlab.com/zencart/index....ex&cPath=10_12 They are there, although I just realized that the Ferrari is not, but I will fix that tonight.
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Old 01-01-2012, 08:50 AM   #3596
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Ive been thinking about this for a bit, would there be any advantage to runing IRS front suspension on an F104w? Im thinking of trying this out whenever i get mine shipped over here. Pretty much consisting of the linked front suspension with the bottom plate converted to individual links, then a small spring connected to the main section. And possibly a tube damper connecting both sides.

if thats hard to understand heres a shoddy a diagram. not to scale


orange part is bushing that can be used to adjust ride height at the hub.

Last edited by kb525; 01-01-2012 at 09:10 AM.
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Old 01-01-2012, 10:24 AM   #3597
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looks interesting KB525.. but I wouldn't really want that kind of design on an open wheeler!

I really like the old school carbon F103 front end because it's rock solid and tweak free and consistent.

The F103 front end is pretty great as it is though.. why hack it up? :P
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Old 01-01-2012, 11:09 AM   #3598
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Ive been thinking about this for a bit, would there be any advantage to runing IRS front suspension on an F104w? Im thinking of trying this out whenever i get mine shipped over here. Pretty much consisting of the linked front suspension with the bottom plate converted to individual links, then a small spring connected to the main section. And possibly a tube damper connecting both sides.

if thats hard to understand heres a shoddy a diagram. not to scale


orange part is bushing that can be used to adjust ride height at the hub.
The HPI Super F1 used that exact style front end and it was able to bolt onto an F103 chassis. The HPI design also let you adjust caster and camber. That was what made it better than the stock F103 front end.
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Old 01-01-2012, 01:49 PM   #3599
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There is an problem with your idea that the HPI front end had as well...the springs are too close to the inner pivot points so you will have to run monster heavy springs to get it to work right which in turn will lead to a lot of other issues.

The HPI front end was pretty cool but had a few problems when using it with a F103...the first was it is wider than the F103 front end so the rear axle had to be spaced out a lot to get it to the same width using Tamiya F103 rims. The next problem was arm flex...because the springs were so stiff you tended to get more flex out of the arm than actual spring compression. I believe they later released a harder plastic for the arm to compensate but my set doesn't have that
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Old 01-01-2012, 02:17 PM   #3600
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The spring issue was something id expectfrom this design. But i was mostly curious as to why these cars are run on such basic suspension, when touring cars run A arm front suspension. Yes they also run irs rear, but now with the irs f1 cars this seems like a good idea to follow.
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