Twisted Hobbys/RC Factory 48 3/4" Sbach 342 Build Discussion-Have Fun, Thread - Page 18 - RC Groups
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Sep 20, 2012, 04:45 PM
Parkfly Padawan
JForbes's Avatar
Do you all feel the 18g mg servo's are the best way to go as well?
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Sep 20, 2012, 04:51 PM
3D Hack
JC Spohr's Avatar
Quote:
Originally Posted by pugsam
thin electric

Thanks.

Looks like cdee posted the answer a moment before I posed the question.

JC
Last edited by JC Spohr; Sep 21, 2012 at 10:21 AM.
Sep 20, 2012, 04:57 PM
Registered User
toolman18's Avatar
I have the omega 103 and it pulls fantastic on 11x7 TE prop. The motor came down only slightly warm after 6 min. I also only put 1200 back into a 2200 nanotech.
Sep 21, 2012, 02:10 AM
Registered User
Thank you very much, excellent guidelines.

Quote:
Originally Posted by cdee
I did a fair amount of testing with a Watts Up meter and another device that would read Kv and RPM.

Testing included both the 78g (2810/11) and 100g (A2814/8T) motors from Twisted Hobbys Motors hooked to the 45amp Twisted Hobbys ESC.

sf = slow fly / te = thin electric both styles were APC (or equiv.)

78g motor
=========================
11x3.8sf / 26.2A
11x4.7sf / 31.5A
12x3.8sf / 34.7A
------------------
11x5.5te / 27.7A
12x6.0te / 30.5A


100g motor
==========================
11x3.8sf / 33.8A
11x4.7sf / 36.5A
12x3.8sf / 41.2A
---------------------
11x5.5te / 25.9A
11x7.0te / 30.3A
12x6.0te / 31.6A

Please note that this data is for reference only. I am working on a more comprehensive chart for these two motors that I will post here sometime in the next week or so, chart will include Watts, RPM, Voltage, ESC timing, etc, etc

Hope this helps, if not let me know.
.
cdee
.
Sep 22, 2012, 11:35 PM
Registered User
What are you guys thinking a good pack weight is for this after flying it for a while.

I have 4 Rhino 1750 25c that I am going to use they weigh 145g. Thing is I want some new packs and have been on a Hyperion kick.

The 1600 hyp weighs only 128 grams the 2100 is still only 163g. Pretty light.

As a comparison the 1800 Nano weighs 161g.

I want it light but wonder if 128 may give some issues.

I will be using the 100g TH motor to start so saving some weight is not a bad thing.
Sep 23, 2012, 01:24 AM
Team Twisted!
cdee's Avatar
Quote:
Originally Posted by Slats!
What are you guys thinking a good pack weight is for this after flying it for a while.

I have 4 Rhino 1750 25c that I am going to use they weigh 145g. Thing is I want some new packs and have been on a Hyperion kick.

The 1600 hyp weighs only 128 grams the 2100 is still only 163g. Pretty light.

As a comparison the 1800 Nano weighs 161g.

I want it light but wonder if 128 may give some issues.

I will be using the 100g TH motor to start so saving some weight is not a bad thing.
The lighter batteries should not be an issue if you want to use them, especially with the bigger motor. When I have the nano-tech 1600s in the plane, they are almost completely under the wing, this is with 4x 18g servos installed and no landing gear.
.
cdee
.
Sep 23, 2012, 11:46 AM
Registered User
toolman18's Avatar
Quote:
Originally Posted by Slats!
What are you guys thinking a good pack weight is for this after flying it for a while.

I have 4 Rhino 1750 25c that I am going to use they weigh 145g. Thing is I want some new packs and have been on a Hyperion kick.

The 1600 hyp weighs only 128 grams the 2100 is still only 163g. Pretty light.

As a comparison the 1800 Nano weighs 161g.

I want it light but wonder if 128 may give some issues.

I will be using the 100g TH motor to start so saving some weight is not a bad thing.
I am using the 1600 genisis batteries from Banana hobbies. They are great. I also have tried the 2200 nanotechs. They are good also but i like the lighter batteries better.
Sep 26, 2012, 11:29 AM
Registered User
Mike Smart's Avatar
For any of you who have this and the Telink Yak or Extra Slick - how do they compare?

Mike
Sep 28, 2012, 09:11 PM
Don't give in to gravity
Gravitycheat's Avatar
Hey Guys. This is a video of a buddy of mine Brad, flying his Sbach. We had a very windy day but Brad and the Sbach handled it very well. Enjoy

C:UsersShawn DuBoisVideosBrad flying the Sbach (3 min 50 sec)
Sep 28, 2012, 09:29 PM
Registered User
toolman18's Avatar
Wish I had known you were filming. I would have mixed it up a bit more. It did handle the wind great though. I don't have many videos of me flying so I will cherish that one. Thanks Shawn. You da man. Lets get some groupers tomorrow.
Sep 30, 2012, 07:10 PM
Don't give in to gravity
Gravitycheat's Avatar
Quote:
Originally Posted by Mike Smart
For any of you who have this and the Telink Yak or Extra Slick - how do they compare?

Mike
Hello Mike,

Sorry for the delay in responding to your post. I have both the Sbach and Slick. They are both great flying planes. I do like the sbach better because it feels more like a balsa plane when your flying it than the Slick does. To me it feels more responsive, it tracks truer and it carries more inertia for better tumbling and snap maneuvers.
If learning better 3D or extreme aerobatics is your goal, I think the Sbach is a step closer to balsa in the chain than the slick is. What I mean is, what you learn with the Sbach will carry over to a balsa better than what you would gain from flying the Slick.

Don’t get me wrong. I have both and like both, they just fill different flying needs.

Shawn
Oct 01, 2012, 05:28 AM
Registered User
Mike Smart's Avatar
Quote:
Originally Posted by Gravitycheat
Hello Mike,

Sorry for the delay in responding to your post. I have both the Sbach and Slick. They are both great flying planes. I do like the sbach better because it feels more like a balsa plane when your flying it than the Slick does. To me it feels more responsive, it tracks truer and it carries more inertia for better tumbling and snap maneuvers.
If learning better 3D or extreme aerobatics is your goal, I think the Sbach is a step closer to balsa in the chain than the slick is. What I mean is, what you learn with the Sbach will carry over to a balsa better than what you would gain from flying the Slick.

Don’t get me wrong. I have both and like both, they just fill different flying needs.

Shawn
Thanks Shawn,

I have both the Telink Yak and Extra Slick and I'm wondering whether to try the SBach. I have balsa models, but a little more response and precision in a foamie would be interesting for me. Do the fuselage stiffening pieces keep the tail square during manoeuvres?

Mike
Last edited by Mike Smart; Oct 01, 2012 at 07:21 AM.
Oct 01, 2012, 07:48 AM
3D Hack
JC Spohr's Avatar
Mike,

The Sbach is unbelievably precise for a foamie. It is very "balsa" like.

It tracks so well that I'd say the tail must not be twisting in flight.

JC
Oct 01, 2012, 08:14 AM
Registered User
Mike Smart's Avatar
Thanks JC, sounds promising

Mike
Oct 01, 2012, 08:53 AM
3D Hack
JC Spohr's Avatar
Quote:
Originally Posted by Mike Smart
Thanks JC, sounds promising

Mike
You're welcome Mike.

I forgot to mention that I also have the Telink SU-29 and between the two planes - i prefer the Sbach.

Both are great but the Sbach has the edge in precision and flies lighter.

JC


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