Floater Axle Splines

[AmKenpo1]

Can I ask those of you currently using floater assemblies what spline axles you have? What spline would you like to see in a floater kit?

Thanks in advance for your feedback.

Wil.

[dontlifttoshift]

35 spline

[Kawaden]

I'll be needing 35/24 spline. Wavetrac center with Baer floater.

[Flash68]

Wouldn't 31 suffice for most people?

[dontlifttoshift]

31 would cover most people but 35 covers 99%.

The roadster is 31 interior and 35 exterior, honestly in that (roadster) application 31spline is overkill........I like overkill.......

[AmKenpo1]

Thanks for the response guys. We had originally thought of going with the NASCAR standby 24 spline, which if you didn't know actually is 1-1/2" in diameter like the 35 spline, but we have decided to make the change to 35 spline.

I will post more information as it becomes available.

Wil.

[FETorino]

31 spline for me. Those wimpy 200tw tires should surrender first.:D

[intocarss]

From Moser

"To achieve maximum performance you should use the smallest axle that will safely handle the torque your car produces

Each axle should be able to handle all of the maximum torque your car can produce. That way it is practically impossible to break an axle because you have at least 200% saftey factor"

30 Splin- 6,200 ft.lbs. (per axle)
31 Splin- 7,000 ft.lbs. (per axle)
33 Splin- 8,200 ft.lbs. (per axle)
35 Splin- 9,600 ft.lbs. (per axle)
40 Splin- 12,000 ft.lbs. (per axle)

[dontlifttoshift]

That's a good, general chart. 500lb ft x 2.97 x 3.89 = 5,776. So in theory 30 spline is enough to hold most cars.

Even Mayehm, with the way it is geared, is below the requirements for 35 spline.

[AmKenpo1]

Thanks for the information.

Wil.

From Moser

"To achieve maximum performance you should use the smallest axle that will safely handle the torque your car produces

Each axle should be able to handle all of the maximum torque your car can produce. That way it is practically impossible to break an axle because you have at least 200% saftey factor"

30 Splin- 6,200 ft.lbs. (per axle)
31 Splin- 7,000 ft.lbs. (per axle)
33 Splin- 8,200 ft.lbs. (per axle)
35 Splin- 9,600 ft.lbs. (per axle)
40 Splin- 12,000 ft.lbs. (per axle)

[intocarss]

Thanks for the information.

Wil.

http://qp.doonce.com/axle_tech.htm

[Flash68]

Nice info, Jer. So it appears that 30 spline would handle maybe 99% of the cars around here.

And how many cars around here are actually launching like the example in that chart?

[dontlifttoshift]

With a floater setup can we make decision on axle size/spline count without taking into account driveplate strength?

[TheJDMan]

I'm currently running a 31 spline center section with 24 spline drive plates with no problems. That said a 31 or 35 spline drive plate would be a better choice and with the proper heat treating the drive plate could be made as stong as needed without increasing size.