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-   -   Tekin Servos (https://www.rctech.net/forum/radio-electronics/1004599-tekin-servos.html)

mlax 12-05-2017 09:42 PM

Tekin Servos
 
Tekin officially introduced their new line of servos.

T120 all the way up to the T400, supporting everything from 1:10, 1:8 and Crawlers.

Tekin - Servos

Hands001 12-05-2017 10:13 PM

Nice servos...

anr211 12-06-2017 04:25 AM

Which torque spec should we be looking at when comparing specs to other brands of servos?

30Tooth 12-06-2017 05:12 AM


Originally Posted by anr211 (Post 15096629)
Which torque spec should we be looking at when comparing specs to other brands of servos?

Very good question!

For example the t-120 and t-180 have close to the same speed but one has 50% more torque, at that point why should I buy the t-120? Or the t-250 vs the t-300 which are very close in specs? Are they brushless? I get the gears are CNC metal but are they steel, titanium...? Hope Tekin guys don't take this wrong.

anr211 12-06-2017 05:31 AM


Originally Posted by 30Tooth (Post 15096656)
Very good question!

For example the t-120 and t-180 have close to the same speed but one has 50% more torque, at that point why should I buy the t-120? Or the t-250 vs the t-300 which are very close in specs? Are they brushless? I get the gears are CNC metal but are they steel, titanium...? Hope Tekin guys don't take this wrong.

That is a fine question, but I was wanting to know if other servo brands are rated in what Tekin is calling torque or dynamic torque. I've never seen two different torque specs listed on the same servo before.

billdelong 12-06-2017 06:04 AM

What's their policy on stripped gears, are they covered under warranty?

It's not clear based on what I'm reading here:


Originally Posted by Tekin Product Page
OUR QUALITY PROMISE

We guarantee our servos to be free from manufacturer defects for 365 days from date of purchase. All items are tested in a controlled environment prior to the packaging process to ensure you receive a top quality Tekin product. We strive to provide the highest grade professional components possible and we appreciate and treat every Tekin user as part of our family. We are RC enthusiasts designing and manufacturing quality products to give our fellow RC enthusiasts the best hobby experience possible.


1/8 IC Fan 12-06-2017 06:05 AM

The torque i believe is from a still servo, beginning initial arm movement, and dynamic is while moving through its range of motion.

This is yet to be confirmed by Tekin.

JRSlash 12-06-2017 06:08 AM

I like the LP servo. Any pricing yet?

30Tooth 12-06-2017 06:34 AM


Originally Posted by anr211 (Post 15096672)
That is a fine question, but I was wanting to know if other servo brands are rated in what Tekin is calling torque or dynamic torque. I've never seen two different torque specs listed on the same servo before.

The plain/running torque is the maximum weight the servo can move (e.g. the servo lifting a 10kg weight), dynamic torque is stall torque as the amount of force the servo can sustain until it can no longer hold it.


Originally Posted by billdelong (Post 15096693)
What's their policy on stripped gears, are they covered under warranty?

It's not clear based on what I'm reading here:

IMO, if it does not explicitly state that it is covered by the warranty then it isn't covered.

billdelong 12-06-2017 07:50 AM


Originally Posted by 30Tooth (Post 15096723)
IMO, if it does not explicitly state that it is covered by the warranty then it isn't covered.

Yeah, I tend to agree with this line of thought.... I have to wonder if they will offer any gear replacement sets, not seeing any posted yet.

EbbTide 12-06-2017 08:26 AM


Originally Posted by billdelong (Post 15096798)
Yeah, I tend to agree with this line of thought.... I have to wonder if they will offer any gear replacement sets, not seeing any posted yet.

If they don't offer gear sets then these things better be VERY well priced lol

Darkgenerals 12-06-2017 08:48 AM


Originally Posted by 30Tooth (Post 15096656)
Very good question!

For example the t-120 and t-180 have close to the same speed but one has 50% more torque, at that point why should I buy the t-120? Or the t-250 vs the t-300 which are very close in specs? Are they brushless? I get the gears are CNC metal but are they steel, titanium...? Hope Tekin guys don't take this wrong.

lol nice side step of the question



Originally Posted by 30Tooth (Post 15096723)
The plain/running torque is the maximum weight the servo can move (e.g. the servo lifting a 10kg weight), dynamic torque is stall torque as the amount of force the servo can sustain until it can no longer hold it.
...

so essentially the same thing?

in the case of the T360, it can only lift 382 Oz but but also lift 479? Something doesn't make sense about that. If your servo stalls at 480, why not say its max torque is 470 and forget goofy things like dynamic torque.


Comparing just the T-360 vs a savox 1230SG, the savox will be a better buy unless Tekin can keep the price down but Tekin is very proud of their stuff, so I bet these will be prohibitively expensive.

30Tooth 12-06-2017 03:43 PM


Originally Posted by Darkgenerals (Post 15096866)
lol nice side step of the question




so essentially the same thing?

in the case of the T360, it can only lift 382 Oz but but also lift 479? Something doesn't make sense about that. If your servo stalls at 480, why not say its max torque is 470 and forget goofy things like dynamic torque.


Comparing just the T-360 vs a savox 1230SG, the savox will be a better buy unless Tekin can keep the price down but Tekin is very proud of their stuff, so I bet these will be prohibitively expensive.

I should've tried harder to explain myself :) the thing is:
-the t-360 can lift 382oz from the ground and do reps like an exercise but if you power the servo and then attach a load it can hold 479oz because it isn't doing "exercise", just holding it. Once it has to move, the limit is 382oz. Further answering your question, if a manufacturer rated servos for stall then that t-360 would have serious problems steering or braking anything requiring above 382oz of force.

Darkgenerals 12-06-2017 06:11 PM


Originally Posted by 30Tooth (Post 15097243)
I should've tried harder to explain myself :) the thing is:
-the t-360 can lift 382oz from the ground and do reps like an exercise but if you power the servo and then attach a load it can hold 479oz because it isn't doing "exercise", just holding it. Once it has to move, the limit is 382oz. Further answering your question, if a manufacturer rated servos for stall then that t-360 would have serious problems steering or braking anything requiring above 382oz of force.

I get what your saying but using something like dynamic torque as a marketing point is misleading. I dont think any other large servo makers use that. I still think savox will offer the better deal, but Tekin does make good products. Just call it 382oz of torque and let everything else be gravy.

30Tooth 12-07-2017 02:20 AM


Originally Posted by Darkgenerals (Post 15097346)
I get what your saying but using something like dynamic torque as a marketing point is misleading. I dont think any other large servo makers use that. I still think savox will offer the better deal, but Tekin does make good products. Just call it 382oz of torque and let everything else be gravy.

Agreed! Most servo manufacturers rate at running torque, particularly those brands you see on the airfield, I use brands trusted at the airfield as rc airplanes are very expensive and any servo that gets their seal of approval is surely good. Also, those brands tend to rate the servos conservatively.

https://www.rctech.net/forum/radio-e...in-servos.html

So, coreless servos.


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