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HomeAircraftHelicopterMain Discussion › .What servo's to use ??
05-05-2005 07:07 PM  13 years agoPost 1
kicker

rrApprentice

uk wiltshire

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i'm thinking of getting an Evo 50,Will I get away with using futaba 3001's.I have a 9254 for the tail.
Im not really into hard 3d at the mo just a few loops.

Thanks for your input.

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05-05-2005 07:14 PM  13 years agoPost 2
SkateFreak

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Cambs UK

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Hehe,
I just kit out a R30V1 with all Hitech chepo's and my 30V2 pretty much has 3001's all round accept tail....
For a 50 i'd think maybe a little more torque would be needed though

Nothing amazing but jst a few thoughts

-Jvr

Non-3D heli pilots are planker spys trying to bring down the heli community from the inside - Topher

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05-05-2005 07:35 PM  13 years agoPost 3
Gary

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Crosby, Texas

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Go as high end as you can on the electronics. You'll be a lot happier in the end.

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05-05-2005 07:38 PM  13 years agoPost 4
MA Boy

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London

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Like someone above said get the best electronics you can, however 3001's will work fine with no problems.

MA enthusiast

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05-05-2005 07:47 PM  13 years agoPost 5
Chem Geek

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AL

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Why would you risk such a nice heli with cheap servos? Sure they'll work for basic hovering and all, but when you start to push it.... Get something with at least dual ball bearings. Hitec's standard digital is nice, 60 oz-in and dual ball bearings for $35. I'm going to try and complete an Evo 50 this summer, and personally I'm shooting for 9252 on collective/cyclic. I've been burned a couple of times now by buying cheap to begin with and having to buy again later. Not worth it to me.

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05-05-2005 07:48 PM  13 years agoPost 6
earthmover

rrApprentice

Wellington (WPB) FL

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I just put on 9252's on the elevator and aileron stick what a difference.

3001 at 44oz torque is not enough under load.

Raptor 50v2, os50 hyper, mp2, TJ Pro, Futaba 9CHPS PCM

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05-05-2005 08:00 PM  13 years agoPost 7
kicker

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uk wiltshire

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The 3001's are coming off my rappy v2....will upgrade later,Just need to know if they will be ok for basic flying with a couple of loops.

Thanks

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05-06-2005 09:35 AM  13 years agoPost 8
Yuma_Tommy

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Yuma, Arizona -- USA

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Servos
Go with the 9252's!! You won't regret it!! Look around you can get good deals on them. Try Ricks, I think they are around 65.00. Good speed and lots of torque.

Raptor 50 V2--Evo 50--Freya X-Spec--Airtronics Stylus

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05-06-2005 03:23 PM  13 years agoPost 9
hama

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norhteast, usa

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I'm using 3001's in my 30, but for my EVO 50 I installed 3 9206's gy401/9254 and throttle 3001.
Hitech has some good prices for their servos HS-635HB for $29.95 0.18 sec @ 60deg, 69 oz @ 4.8v. I'ts better to bite the bullet now or spend twice latter.

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05-06-2005 03:29 PM  13 years agoPost 10
kicker

rrApprentice

uk wiltshire

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im gonna go for 3 9202's and a 3001 on the throttle...with my 401/9254 on tail.

I used the 9202's on my mille II with no prob's.

Thanks for your inputs.
Will be ordering from cyberheli pretty soon...

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05-06-2005 07:41 PM  13 years agoPost 11
Jyrki

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Loimaa, Finland

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>...if they will be ok for basic flying with a couple of loops.


GAAAAAAAAAAAAAAAAAA!!!! salt to my wounds!!

I have been flying half a year or so... with quite a good progress. However, I have tried a loop only once (with a bit expensive result)

Well.. the loop ....

I practised it with a simu alot. The loop size was soo very large that I thought my REAL heli must be quite a bit more agile. I also didn't start it very high, because I trusted It would make quite a sharp loop and would not loose hight that much. One more loop with simu.. bang to ground, and I decided, definitely it will go better at real life... and off I go then...

BANG to the ground. EXACTLY as simulated.

You can imagine I felt stupid afterwards.

I think I need to see someone doing a loop first and then I follow the sample. Difficult to scale the simulator to real life reference heights and speeds sometimes.

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05-07-2005 12:55 AM  13 years agoPost 12
SkateFreak

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Cambs UK

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hey, one question!
Were you using negative pitch with the loop?
In theory a R30V2 with a good negative "Bite" and good pitch control can role without losing any height!?!
Thats my plan at least! Keep that collective control well managed and start fairly high up
Soon be loopin in the grass hehe

-Jvr

Non-3D heli pilots are planker spys trying to bring down the heli community from the inside - Topher

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05-07-2005 02:51 AM  13 years agoPost 13
MJWS

rrKey Veteran

Airdrie, AB - Canada

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If it can climb while inverted...(and it can) you can gain altitude while looping. Just have to move the sticks the right way.

The jam it, pull back, and pray method is, however, far more exciting for the peanut gallery to watch

Have a blast!

Mike

P.S. 9202's are classics. They'll serve you well.

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05-07-2005 07:56 AM  13 years agoPost 14
Jyrki

rrApprentice

Loimaa, Finland

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yes, pull and pray! thats my way ...come to see my peanut show.

Sure yes it looses altitude and I really should compensate negative. I have just demonstrated it to myself.

I didn't trust my control to heli so much that I would compensate pitch at a loop.

I fly planks 3d and I have learned a fatal reflex to reduce throttle sometimes when in trouble like when disorientated with a heli.

I have also got used to fast forward flight with my heli and I feel it behaves a bit like a plank and I could fly a loop like with a plank.

I know I should just fly and teach myself the correct muscular memory which just takes time.

One little problem only: patience is not one of my virtues.

3 x S9252 +S9254, GV-502, GV1, EVO50 OS. hyper and viper.....why doesnt it still make a loop?????? I think I have a radio problem: the sticks are moving wrong!!

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05-07-2005 10:11 AM  13 years agoPost 15
SkateFreak

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Cambs UK

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Hey.
Well if looping of full throttle... its going to lose a Lot of altitude, just imagin flying upsidedown with full + pitch, you pull towards the ground

Maybe if you got a Throttle jocky or such implimented then you would look at the throttle as just collective....
That way you dont throttle down you just kick back the pitch and dont worry about it

But then again, having flown planks in the past i can understand...
Haha, killing the throttle mid loop... wouldnt be exceptionally wise

Best of luck though

One questions, just how many people use negative in loops?!
I'v seen many a video of heli's going down thru loops that appear to have no negative... surely this would indicate that there are fewer (or jst less filmed) stacked loops with -pitch

Hmm, *ponders*

Jvr

Non-3D heli pilots are planker spys trying to bring down the heli community from the inside - Topher

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05-07-2005 10:54 AM  13 years agoPost 16
Jyrki

rrApprentice

Loimaa, Finland

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Indeed..when you think of round 360 degree loop, 50% of time is reversed (assuming full throttle watch and pray). The mathematical lift average during the loop is zero!

-->watch, pray, swear!

That was not a problem with a plank thought .

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05-07-2005 08:59 PM  13 years agoPost 17
MJWS

rrKey Veteran

Airdrie, AB - Canada

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What's worse is feeding in negative collective on the plank

I've caught myself more than once.

Up at the top of your loop is a good place to build the headspeed back up you don't need a bunch of negative... but get out of the collective so you can grab some rpm back after the climb.

Mike

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