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Old 07-22-2009, 02:27 AM   #481
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Any thoughts on if the Rubber wheels from the HPI Formula 10 will fit the F104

They appear closer to scale compared to other options
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Old 07-22-2009, 03:42 AM   #482
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HPI uses hex drive front and rear. So the fronts won't work.
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Old 07-22-2009, 03:52 AM   #483
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any main handling difference between the f103 and f104
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Old 07-22-2009, 05:51 AM   #484
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Default Rear Diff adjustment

Hi there

How do you adjust the rear diff ?? In the pics it looks like the wheel needs to come off to make adjustment on the diff nut is this true ???
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Old 07-22-2009, 09:28 AM   #485
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adjust diff: remove 1.5mm set screw from diff side hub, then you can see the nut to adjust.
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Old 07-23-2009, 05:26 PM   #486
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I tried a Kimbrough 1/12 servo saver, with the ballstuds pointing out toward the front of the car. The steering links angle back similar to a 1/12 car. My car seemed to carve the corners better, and the steering seemed like it had more "resolution"- a bigger difference between turn in and when the rear end wants to come around. This was on carpet, I'm gonna try this on asphalt hopefully this weekend.





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Old 07-23-2009, 06:11 PM   #487
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Will any F103 body fit on the F104?

Test fitted (just held it over the top) my F103's TRG body and it looked like it would if the body was cut to fit the Front suspension, but with the car being thinner, would think most bodies would fit?
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Old 07-23-2009, 06:18 PM   #488
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Will any F103 body fit on the F104?

Test fitted (just held it over the top) my F103's TRG body and it looked like it would if the body was cut to fit the Front suspension, but with the car being thinner, would think most bodies would fit?
What about TRG F103 front and rear wings?
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Old 07-23-2009, 08:04 PM   #489
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Thank robk for the pictures.
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Old 07-26-2009, 05:34 AM   #490
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Hi guys,

where do u guys fit the club transponder on the F104.

And anyone tried the f104 b tyres?
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Old 07-26-2009, 06:48 AM   #491
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Hi guys,

where do u guys fit the club transponder on the F104.

And anyone tried the f104 b tyres?
i plan to place the club transponder beside the receiver & make a transponder mount using lexan/plastic.
of course you can't attach the narrow sidepod.
or if you haven't cut the body yet, choose the wide sidepod configuration so you will have wider space for electronics.
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Old 07-26-2009, 09:29 AM   #492
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any main handling difference between the f103 and f104
F104 will be the more stable chassis for most.
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Old 07-26-2009, 04:28 PM   #493
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Default pinion/spu gear

hello
does any one use to try a brushless 9.5T with lipo 7.4v ???
if yes what is the good ratio, pinion and spur gear use for the f104

thank's

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Old 07-26-2009, 05:56 PM   #494
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What about TRG F103 front and rear wings?
Look like they'd fit.
Using 3 Racing wings on it at the moment. Harder plastic (suppose that would be bad in an impact), but they look the business.


Any brand of rubber f1 tires that have the same diameter as the new foams? TRG rubber are so small in comparison, lowers the ride height considerably.
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Old 07-26-2009, 09:08 PM   #495
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Hi guys,

Just wanted say that F104 is a good car to start with, even though I do missed tweaking the F103. We just had a local F1 race consisting of a good numbers of F104s and a few F103s. It was an Open race only closed to non-rebuildable black can motor.

Our local EP star got provisional TQ on a F103 and my F104 pipped him by 0.2 secs for TQ in the last qualifying round. In the finals, His F103 won the race while I come in 2nd. 3rd to 5th were also on F104.

I guess while like what Vyger mentioned, the F103 had 15 years of development and the F104 had only a few months, I say that the F104 has great potential bearing in mind the 3rd to 5th placings F104s were new comers to the EP scene although they were veterans in GP.

I think the basic difference between these 2 are that while the F103 is more agile, the F104 is a easier car to drive out of the box.

Our local star would prob be building his F104 pretty soon!
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