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Posted

No idea who makes that body .. and as for "better", I guess at that level the low & sloping nose, small & low roof & low splitters & skirts would make a difference - as in maybe a few 1000ths of a second a lap ...

Me, I doubt I'd see a difference (aerodynamically anyway) between that and a shoebox ;)

Posted
No idea who makes that body .. and as for "better", I guess at that level the low & sloping nose, small & low roof & low splitters & skirts would make a difference - as in maybe a few 1000ths of a second a lap ...

Me, I doubt I'd see a difference (aerodynamically anyway) between that and a shoebox :lol:

You would be surprised. Even at club level with slow motors (10.5 brushless) having proper aero shells make a massive difference. Most use a variation of the Mazda speed 6 shell (protoform or HB) although the RF9 is great is you want lots of turning. The new popular shell is the Protoform LTC-R if you want a a compromise between the r9 and the speed 6.

Posted
No idea who makes that body .. and as for "better", I guess at that level the low & sloping nose, small & low roof & low splitters & skirts would make a difference - as in maybe a few 1000ths of a second a lap ...

Me, I doubt I'd see a difference (aerodynamically anyway) between that and a shoebox ;)

The body affects how a car handles. Some body gives neutral handling, some gives better rear traction, some gives better steering (front traction), some are designed for carpet, etc etc. Some work better with wider body post

Posted

LRFri-Heat12Grid.jpg

The bodies in question are Protoform LTC-R. This is the first body to ever beat out the Protoform MazdaSpeed 6 in a world level event. The Protoform lineup are pretty much the only bodies to choose from in competitve RC (as they work best). For 190mm rubber tire Electric competition racing they are as follows (listed from tight to loose):

- Mazda 6 (not widely used)

- MazdaSpeed 6

- LTC-R (modeled after the Lexus IS-F)

- R9-R (not widely used)

The standard Mazda 6 body yeilds very little steering. Its low front downforce can be used to calm down a twitchy car.

The R9-R body is typically unstable in competition. It is generally only used as a band aid for a bad setup (to add more steering).

PS: It looks like the standard Mazda 6 is discontinued now. They now offer the a new P37-R body (obviously modeled after the Infinity G37). Unfortunately I don't know where this body fits into the handling lineup...

Here is the link to the protoform 190mm lineup: http://racepf.com/touring-car-190mm/

Posted

Wow, thanks for all the great info!

I was hoping it was a Tamiya body since many of them are Tamiya cars.

I've been wanting to build a Tamiya touring car.

Are there any Tamiya shells that are used competitively at all?

Posted
Tamiya makes just one actual race body...

53824 Subaru Legacy B4

legacyb4.jpg

53824.jpg

53824.jpg

Not too shabby.

As a Tamiya nut I wish they'd sell the shells with that paint job as well as the clear ones.

  • 2 weeks later...
Posted

this is an R9R ...

there are some runs in the paintwork but still learning ... problem with taking so long to finish a shell is that then you may decide not to race it ... will wait till summer ... for the winter will continue to use my old beat-up shell.

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