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What else?

Well, quite simply put, they are light, strong and do not rust!

With the advancement of R/C batteries these days, most R/C cars are finding it difficult to get to the bottom weight limit, and sometimes even those that are right on the limit could do with some weight shifting to give the car a better balance. Also weigh reduction in moving parts will also increase dynamic efficiency of your R/C car.

In order to give all you racers out there an idea the actual weight benefit of Titanium screws over kit steel screws, we have painstakingly (:P) created the following comparison chart (per screw):

 

Button Head Steel (grams) Titanium (grams)* % Reduction
M3x4mm 0.32 0.21 -34%
M3x5mm 0.39 0.23 -41%
M3x6mm 0.46 0.24 -48%
M3x8mm 0.52 0.29 -44%
M3x10mm 0.60 0.35 -42%
M3x12mm 0.68 0.39 -42%
M3x14mm 0.77 0.46 -40%

 

Countersunk Steel (grams) Titanium (grams)* % Reduction
M3x5mm 0.32 0.18 -44%
M3x6mm 0.39 0.22 -43.5%
M3x8mm 0.48 0.26 -46%
M3x10mm 0.56 0.32 -43%
M3x12mm 0.63 0.34 -46%
M3x14mm 0.70 0.41 -41.4%

 * Typical weight of respective screws.

 

Grade?

Titanium RC parts generally comes in 2 grades. Grade 2 pure titanium and Grade 5 Titanium alloy, so what is the difference?

To keep pricing to a competitive level, 90% of the titaniun screws in the RC market are made from Grade 2 Titanium. Grade 2 Titanium screws are made by cold forge process so they can be mass produced forged and therefore their prices are relatively affordable. They are strong and saves you almost half the weight compared with steel. 

For premium parts like our premium hinge pins and axles, Grade 5 Titanium alloy are chosen. This stuff is too hard to be easily formed so each part using Grade 5 Titanium alloy will have to be individually CNC machined. They are much harder than Grade 2 titanium while offering same weight saving but with unsurpassed precision.

What to use and where?

For ultimate weight reduction go Aluminium, around 25% lighter than titanium but they are very soft and will not offer a long servicible life no matter what grade. Recommended use in low stress areas like to decorate your radio transmitter etc. ;)

For good weight saving and strength comparable to 304 stainless steel, go titanium. Use Grade 2 for general use from low-medium- to relatively high stress applications, and Grade 5 for speical machined screws (TBA) or custom parts such as axles and pins  (Note: We do not account for stresses caused by over torquing the screw or crashing!).

For ultimate strength, there is nothing stonger than hardended steel screws (Note" not the kit stuff)  - we are currently looking into bringing out a range for all you crash monkeys out there so you can go like Mad Max! 

 

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