R/C Tech Forums - Tekno SCT410 Thread

Looking for some help understanding Tekno's spring rate chart.
Does the higher number of turns on the spring mean it's a stiffer spring?
For example; 1.5 X 9T is stiffer then 1.5 X 7T ? This is what I was told.
But the chart has "RATE" of the springs higher for lower turn springs.

Example;
1.5 X 9T = 3.83
1.5 X 7T = 5.36

And what I think I know about spring rates. Is it will take 3.83 lbs to compress a spring 1 inch.

Thanks

The first number is the wire diameter in mm and the second number is the amount of coils the spring has. More coils means a softer spring. :)

Vantard

12-31-2014 06:00 AM

Quote:

Originally Posted by Vantard (Post 13751113)

Trying to mount up a Tekin 4300 hd, the mount that goes onto the motor is clocked right but I can only get one screw in or the other, it's off just a hair and won't tighten down without possibly stripping the motor. Even the larger threads on the motor are slightly farther apart than the larger holes on the mount plate?

Any one see this before? Like the motor or the plate are out of tolerance. Is it ok to drill the motor plates holes a little?

micrors4guy

12-31-2014 06:40 AM

Quote:

Originally Posted by Vantard (Post 13751559)

Any one see this before? Like the motor or the plate are out of tolerance. Is it ok to drill the motor plates holes a little?

Take the cap off that has the motor screw holes in it and rotate it on the motor.

Vantard

12-31-2014 06:58 AM

Yea that's not it, the diameter of the holes is smaller on the plate, it's ok I hogged them out a little and got it to work. I did turn the plate to get the wiring to be where I want.

micrors4guy

12-31-2014 07:00 AM

Quote:

Originally Posted by Vantard (Post 13751684)

Yea that's not it, the diameter of the holes is smaller on the plate, it's ok I hogged them out a little and got it to work. I did turn the plate to get the wiring to be where I want.

There should be 2 different size holes on the motor and the plate. Unless you are using the lcg or light weight plate

Cain	12-31-2014 07:38 AM

Quote:

Originally Posted by BackWoodsRacing (Post 13751069)

about how long of a sensor wire is everyone running?

I run what probably is a standard length sensor wire just because its a bit easier to work with the motor when taking it out.

BackWoodsRacing

12-31-2014 08:43 AM

Thanks for the info. Think I'm going to run 70mm. Clean look but enough for easy of removal

Slotmachine

12-31-2014 08:43 AM

Im all signed up for the No Name race in Gaithersburg Md. This Saturday , it should be a good turnout.

RC*PHREAK

12-31-2014 12:26 PM

anyone else make sway bars for the truck? i'd like to try a 2.0mm, but the smallest tekno makes is 2.2mm.

Drifter_73

12-31-2014 12:40 PM

Quote:

Originally Posted by RC*PHREAK (Post 13752322)

anyone else make sway bars for the truck? i'd like to try a 2.0mm, but the smallest tekno makes is 2.2mm.

Try running your endlinks as farto the end of the swaybar as possible.

boborc

12-31-2014 01:45 PM

Quote:

Originally Posted by TheCore (Post 13701802)

i contacted tekno about this. these parts are not correct, they're from a "mis-package" if your parts sit together like this contact tekno for replacements. also.. just as a side note, they will not give you a free t-shirt for the anguish, pain, and suffering this might have caused. :smile:

Got to the servo part of my build, same thing. guess I'm on hold for a while,SUCKS:cry:

MattDub

12-31-2014 01:58 PM

Quote:

Originally Posted by RC*PHREAK (Post 13752322)

anyone else make sway bars for the truck? i'd like to try a 2.0mm, but the smallest tekno makes is 2.2mm.

Loosen the two set screws that press the sway bar against the gear box. Not the two button head screws, but the set screws. This will effectively reduce the influence of the sway bar making it feel like a smaller diameter bar was used.

Hoese37

12-31-2014 02:19 PM

Quote:

Originally Posted by boborc (Post 13752471)

Got to the servo part of my build, same thing. guess I'm on hold for a while,SUCKS:cry:

Go to the first page. There is a quick fix for this.

Cain	12-31-2014 02:23 PM

is there any info on how the set screws influence the sway bars when in use versus not, like "using set screws makes it feel 1mm thicker, etc".

Right now I use then as a guide more or less, they are not tightened down to lock them in, wasn't sure what was standard versus what wasn't when using the sways.

Anyone know in general what is the standard method?

Hoese37

12-31-2014 02:29 PM

IMPORTANT INFORMATION AND UPDATES:
SERVO SAVER CENTERING
So we have looked into some of the servo saver inconsistencies and found a solution for the wandering. Please see attached image. The face highlighted in blue needs to be sanded down about 0.1mm. The flashing from the mold prevents the servo saver from seating 100%. After doing this and tightening the spring down, it will hold as intended.
We'll look into a fix for this in the future, but it requires a mold change so it won't be the fastest fix ever. What is outlined above works great though.

http://www.rctech.net/forum/attachme...top-rev_07.jpg

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