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Old Nov 18, 2009, 05:38 AM
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Originally Posted by NipponDave View Post
We'll produce the Gs3025-06, as well as Gs3032-06 and Gs3032-10 to be absolutely sure we've got all the bases covered for everybody. (I think the 3032-10 should be a great 4-cell motor for large gliders, for example)...

D
Dave, that's fantastic news - I'm looking at getting a hotliner airframe and would like to put a GS3025-06 in it - is there a chance these will be available prior the holiday season (when I will have some time for building/modelling?)

Thanks,
Al
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Old Nov 18, 2009, 06:55 AM
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Oh... it sounds like I made a few mistakes with colors, then. Sorry, I'll take a look tomorrow and fix as may be needed.

D

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Originally Posted by GeorgeC View Post
David,

Specifically the colour coding for the data on the 3025-4 seems in consistent. It shows 85A Max 30sec in Blue but the prop data highlights 70.1, 83.7 and 92.8 in blue. For the same motor 130A Max 5sec in Red but the prop data shows 118.4, 110.9 and 117.9 in Black. Interspersed there is Red data.
I would expect to see

* Data within the Continuous Current in BLACK (no continuous specified in data sheet)
* > Continuous but <85A in BLUE and
* >85A but <130A in RED.
* >130A At your own risk!!


George
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Old Nov 19, 2009, 04:28 PM
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Motor for SebArt Miss Wind

Looking forward to getting my hands on a GS3025... However in the meantime I've just ordered a SebArt Miss Wind S 50 E, for which the suggested power setup is a Hacker A50 16S, 6S on a 16x10 or 16x12 (this is the same as the Angel 50 - I have one of these and it's a great combination).

The Miss Wind is a Biplane so the weight will be a little heavier. I would like to put a Hyperion in here and run on either 6S but possibly 5S. I don't know what space the undercarraige will allow re prop size, so for now I have to assume 16" diameter. I've recorded 1350W out of the setup on my Angel (FP 4270 20C 6S) and preferably I'd like more in the biplane...

A50 16S is 378Kv. So my immediate thoughts are to try either the ZS4025-14 (360Kv) or ZS4035-10 (354Kv). The 4035 is 100g+ heavier than the A50 though.

According to the Hyperion data sheet, the ZS4035-10 on 6S and a 16x12E will do just over 1500W - sounds ideal...but the 6S pack AND the extra weight of the motor could be a no go...

Any thoughts?

Miss Wind: http://www.sebart.it/50E-class.html
ZS40xx Data: http://media.hyperion.hk/dn/zs/ZS40propdata.pdf
Hacker A50 Data: http://www.hacker-motor.com/images/C...EB%2016+17.pdf
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Old Nov 20, 2009, 12:34 AM
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I checked Sebart's site. They say the model should weigh 2.5Kg max without battery. If you will trust me... I guarantee you that the Zs4025-14 on 6S will be ideal for that model. I would use the G3 4000CX 6S pack (25C), and a 16x8 prop to start. That should mean a flying weight of 3.0~3.1Kg, and performance will be very good. No need for VX in this application, Imo, as even at peak the system should draw only about 15~18C on the 4000mAh pack. 16x10 would be my pick if later you want a wider speed envelope, and more thrust.

Btw, I was recently with Sebastian in China, and he seemed to think the 4000CX would be perfect for many of his models in the 40~50 class. I'll be sending him some to try soon.

David

Quote:
Originally Posted by pilotrcuk View Post
Looking forward to getting my hands on a GS
3025... However in the meantime I've just ordered a SebArt Miss Wind S 50 E, for which the suggested power setup is a Hacker A50 16S, 6S on a 16x10 or 16x12 (this is the same as the Angel 50 - I have one of these and it's a great combination).

The Miss Wind is a Biplane so the weight will be a little heavier. I would like to put a Hyperion in here and run on either 6S but possibly 5S. I don't know what space the undercarraige will allow re prop size, so for now I have to assume 16" diameter. I've recorded 1350W out of the setup on my Angel (FP 4270 20C 6S) and preferably I'd like more in the biplane...

A50 16S is 378Kv. So my immediate thoughts are to try either the ZS4025-14 (360Kv) or ZS4035-10 (354Kv). The 4035 is 100g+ heavier than the A50 though.

According to the Hyperion data sheet, the ZS4035-10 on 6S and a 16x12E will do just over 1500W - sounds ideal...but the 6S pack AND the extra weight of the motor could be a no go...

Any thoughts?

Miss Wind: http://www.sebart.it/50E-class.html
ZS40xx Data: http://media.hyperion.hk/dn/zs/ZS40propdata.pdf
Hacker A50 Data: http://www.hacker-motor.com/images/C...EB%2016+17.pdf
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Old Nov 20, 2009, 01:57 AM
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David, many thanks for the glowing recommendation - of course I'm happy to go with your advice!! My only thought was it would be nice to go with a 5S just to save a little weight, but since I don't think I can run a larger prop it's probably a no-go in any case.

What is the delivery to the UK on one of these motors?

Thanks, Al
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Old Nov 20, 2009, 11:15 PM
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Personally, I think the lighter Zs4020-12 with 15x7 prop max would be an excellent choice for the Miss Wind on 5S. But I don't think you will save battery weight by going 5S vs. 6S alone, as the 5S will need more capacity to make up for the loss of Watt hours, unless you are willing to accept relatively short flights...

So my recommendations would be 4020-12 motor with 5S 5000CX (25C) or 4200VX (35C).

Or to be sure you have enough motor for really outstanding performance with the Miss Wind, and the possibility of a larger model later, the 4025-14 on 4000CX 6S.

D

PS: See Robot Birds (UK) for Hyperion products. Also available at Air Craft World (japan).

Quote:
Originally Posted by pilotrcuk View Post
David, many thanks for the glowing recommendation - of course I'm happy to go with your advice!! My only thought was it would be nice to go with a 5S just to save a little weight, but since I don't think I can run a larger prop it's probably a no-go in any case.

What is the delivery to the UK on one of these motors?

Thanks, Al
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Old Nov 21, 2009, 01:04 AM
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I am looking at Magellan E XL/Omega II ME 2.5M Esailplane wt 42-49 oz. Sports flying only.
Any recommendations on power system?

DavidN
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Old Nov 21, 2009, 02:32 AM
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Originally Posted by DavidN View Post
I am looking at Magellan E XL/Omega II ME 2.5M Esailplane wt 42-49 oz. Sports flying only.
Any recommendations on power system?

DavidN
That really depends on what you mean by Sports Flying. Do you want to get to altitude in 10 seconds or less, or would you be satisfied with 20-second climbs?

Do you have a battery pack you plan to use already? If not, do you have a strong preference for 2-Cell Lipo vs. 3-Cell?

Have you got the model? If so, and you can deicde what pack you want to use, can you check CG by adding weight where the motor will go and determine how much you need to get balance?

I'm thinking that the Gs3014 to Gs3020 would be excellent in this application, but even the Gs2218 could be the winning contender, esp. if the model doesn't need a lot of weight in the nose. A Japanese pilot won a regional LMR championship last year with a similar model using our previous G2220, and the Gs2218 is even better.. So there are a lot of options, depending on that balance and desired battery (if any).

Thanks,

D

PS: I just got a lot of info off the ICARE site, and they say a 100g motor will balance. Will be back in a minute after looking over the Gs prop test data...

Ok... I think that the model would balance using a Gs2218-10 (release Dec 15~25) and Hyperion G3 2200-3S VX (35C) Lipo. The Gs2218 weighs ~84g, so 16g less than the recommended motor (yet will still provide much better efficiency and more thrust..). The 2200VX pack dimensions and weight can be seen here. If you can mock up those weights in the model, you could be sure of the balance before ordering the set. The suggested would be at max efficiency with a 10x6 folder, for about 380W and strong performance. 12x6.5 will pull nearly 600W, and should really haul it up well... I'd go with a 45A-60A ESC in this case. The Gs2218 will need a spinner with 4mm collet, fyi.
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Old Nov 21, 2009, 03:02 AM
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Quote:
Originally Posted by NipponDave View Post
PS: See Robot Birds (UK) for Hyperion products. Also available at Air Craft World (japan).
David, I wanted to send you a PM about this, then realised you don't have a link. You're certainly giving me some good advice on here and I feel I should be buying direct, but I know Robotbirds do the Hyperion stuff too (I got my servos there). Is it yourself or Hyperion that supplies Robotbirds?

On a side note, I bought a Scorpion 4025-10 at the start of the year to electrify a Synergy 91 3D model (as yet unstarted) for 6S and 15" prop - there's not mujch ground clearance on the stock U/C and so I was trying to get something that would give me similar performance to my Angel, so was looking for again a bit more power since the airframe is heavier (meant for YS 110). The figures looked good on the Scorpion calculator at the time (bottom right in the screen shots)... I want to go and have a look at the numbers for this (and the Z4025-10) again now!!

Al
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Old Nov 21, 2009, 03:32 AM
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The 4025-10 motor will be a good choice if you are prop-diameter limited, for sure. I'd start with a 15x7 E prop if you have strong 6S lipo. Probably plenty of watts and more than enough pitch speed given the fairly high motor Kv. Either brand will give the same performance at the prop in this case. Only the mount setups are really different, with Hyperion intended specifically for backmount in airplanes.

Air Craft in Japan is my "main" job. But I also contract with Hyperion to do much of their product development. So I would be equally pleased if you purchased from Air Craft, or from my friend Andy at Robot birds..

Thanks,

D


Quote:
Originally Posted by pilotrcuk View Post
On a side note, I bought a Scorpion 4025-10 at the start of the year to electrify a Synergy 91 3D model (as yet unstarted) for 6S and 15" prop - there's not mujch ground clearance on the stock U/C and so I was trying to get something that would give me similar performance to my Angel, so was looking for again a bit more power since the airframe is heavier (meant for YS 110). The figures looked good on the Scorpion calculator at the time (bottom right in the screen shots)... I want to go and have a look at the numbers for this (and the Z4025-10) again now!!

Al
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Old Nov 21, 2009, 06:06 AM
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Thanks David, I don't feel so guilty now!! And good to hear I got the motor choice right, given my constraints!!

My Miss Wind hasn't arrived yet and looks like it'll be Monday now, so I may get on with the Synergy. I picked up some cheap FP packs at the start of the year which were old stock, EVO NF 6S 4900 22/50C, so they won't be great but they are in 2x3 stick format, handy for fitting into the fuselage, or so I hope...

Al
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Old Nov 21, 2009, 11:14 AM
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Dave thanks for all the info. Haven't bought yet. climbs between 10 & 20 would be great. 3 cell preferred so battery can be used in other planes.
DavidN
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Old Nov 21, 2009, 01:47 PM
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Be careful pilotrcuk, the Miss Wind 50 needs a front mount motor.
A ZS40 motor will not fit in it. At this time, they're back mount only.
However you can consider a Z40 serie motor.
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Old Nov 21, 2009, 05:02 PM
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Ah...

David, is there a way around this?!
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Old Nov 21, 2009, 09:29 PM
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Quote:
Originally Posted by pilotrcuk View Post
Ah...

David, is there a way around this?!
Good call THEF, thanks... Hmm... I would go with the Scorpion, or one of the Z40 series motors.

I just put the Z40 series on sale, 45% off original retail prices (except backmount versions, which cost a bit more to make so are 35% off). We don't have many left in certain types, so anyone interested in the bargain Z40 had better move fast...

Z40 datasheet

For you, pilotcuk, the Z4025-12 (356g) on 6S should be very good in the Miss Wind, I expect, with 15x7 APC E or 15x6~15x7 in wood prop.

or if you want to be sure of "more than enough" motor, the Z4035-10 (446g) should be just right on 15x8, 15x10, or 16x8 props (~60A to 73A with your packs, I think, peak fresh charged).

D

PS: In my view, it is not the best choice to FRONT MOUNT [I said "backmount" in original post by mistake!]any motor swinging a large prop, especially as the motor size gets larger. I would guess that the Sebart mount is strong enough, but do be sure to balance prop and spinner, and check the mount under full thottle before flight to see if it is flexing much.
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Last edited by NipponDave; Nov 22, 2009 at 11:53 PM.
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