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HomeAircraftHelicopterMain Discussion › helicopter plans - setup, suggestions?
12-10-2004 09:11 PM  13 years agoPost 1
webbhost

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england - Leicester

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Well, i have finished my raptor 30 V2, and when im not in flight im going to want something to keep me occupied. Before anyone says im jumping my way up to the bigger helicopters too quickly, take in mind that this helicopter project is going to be about 3-5 months long, meaning that i will have plenty of time to get used to my raptor 30 v2 and may very well have grown out of it by the time my .60 is built. This is the config i have decided, can i have peoples opinions with any suggested changes please?

RAPTOR 60 V2 CHECKLIST:

RAPTOR 60 V2 CHASSIS :
17930 : OS.61SX-H WC Engine:
Z2630LH : Zimmerman Muffler - Xl-Pro/Millennium/Eagle/Raptor 60

P-R138DF/35 : Futaba 138DF PPM 8Ch Rx
O-4NRC2400SF : 4.8v 2400mah Receiver Nicad
P-GY401 : Futaba GY401 Heading Hold Gyro
P-S9254 : Futaba 9254 Digital Servo(deal with gy401)
P-S9254 : Futaba 9254 Digital Servo x 4

Anything ive forgotten also?

meh

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12-10-2004 09:28 PM  13 years agoPost 2
maller

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Bucks County, PA

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Hey, webbhost - I don't have a Rappy, but can't you just upgrade your 30 to a 60? Plus, building a 60V2 would be very similar to building your 30V2.

Why not build something different? If you're going to keep your 30, as a 30, I'd recommend building something in the 90 range.



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12-10-2004 09:32 PM  13 years agoPost 3
webbhost

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england - Leicester

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raptor 30 and 50 are similar, i thought the 60 was significantly bigger. Id like to get the .60 Then get the .90, because then im gradually building up and i wont be going from something thats very slow to something so fast i cant control it. Also, it means i have more than 1 backup if i have a .30, .60, and a .90.

Yeah the building seems pretty similar, but the tail is different, doesnt run on a belt

meh

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12-10-2004 09:36 PM  13 years agoPost 4
JKos

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Redondo Beach, CA

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> P-S9254 : Futaba 9254 Digital Servo x 4

I hope you aren't serious about that. 9254s are not suited for collective and cyclic use. Did you mean to put 9252, perhaps?

> P-R138DF/35 : Futaba 138DF PPM 8Ch Rx

I would change that to a PCM receiver.

- John

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12-10-2004 09:37 PM  13 years agoPost 5
maller

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Bucks County, PA

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Gotcha! I'm no expert. But, I think you'd be able to build and fly a Raptor 90 next. Skip the 60 and go right to the 90.

It should be pretty stable in flight. I don't think you need to gradually build up to the 90.



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12-10-2004 09:43 PM  13 years agoPost 6
webbhost

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england - Leicester

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> P-S9254 : Futaba 9254 Digital Servo x 4

I hope you aren't serious about that. 9254s are not suited for collective and cyclic use. Did you mean to put 9252, perhaps?

> P-R138DF/35 : Futaba 138DF PPM 8Ch Rx

I would change that to a PCM receiver.

- John
Well im no expert either on the parts, all i knew is the parts were good.

So do i change that to

2 x P-S9254 : Futaba 9254 Digital Servo (tail and throttle)
3 x 9252's (cylics and collective)

I would rather keep PPM becuase PCM only covers interference. But the interference is still there. If you have PPM you can see the interference and sort it out?

Also putting PCM in would mean i need to buy a new modulator for my FF9? Or am i wrong there

meh

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12-10-2004 10:00 PM  13 years agoPost 7
JKos

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Redondo Beach, CA

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> do i change that to
> 2 x P-S9254 : Futaba 9254 Digital Servo (tail and throttle)
> 3 x 9252's (cylics and collective)

That sounds much better.

> Also putting PCM in would mean i need to buy a new modulator for
> my FF9?

I thought the FF9 was the international version of the 9C. If it is, then the tx already has PCM capability.

> I would rather keep PPM becuase PCM only covers interference. But > the interference is still there. If you have PPM you can see the
> interference and sort it out?

There are several entire threads on this very subject here on RunRyder. Do some searching and reading and that will help you decide which is right for you.

- John

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12-10-2004 10:11 PM  13 years agoPost 8
AJM

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Glasgow UK

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Hi,

If you are not going to fit a PCM reciever I would strongly suggest that you fit a failsafe to the throttle channel in case of a crystal failure or interference.

Al

I am a mole and I live in a hole.........

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12-10-2004 10:13 PM  13 years agoPost 9
AJM

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Glasgow UK

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Oh yeah,

with the FF9 you can switch between PPM and PCM in the menus

Al

I am a mole and I live in a hole.........

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12-10-2004 10:24 PM  13 years agoPost 10
webbhost

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england - Leicester

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ive had a second opinion from craig saying to go straight for the raptor 90 aswell. So ill probably be doing that. Also he mentions i can put a 60 setup in a 90 so, that would be good for me to get used to it.
Ill look into the PCM/PPM setup stuff

meh

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12-11-2004 12:28 AM  13 years agoPost 11
PaulH-MA

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Boston, MA

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You might want to consider a Futaba S9151 digital servo for collective. It has a lot more torque than the S9252 and it's a good match for the high-speed 9254 you have on the throttle.

At least it works well for me.

--Paul

TREX 450
Bergen Intrepid Gasser x2

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12-11-2004 12:43 AM  13 years agoPost 12
webbhost

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england - Leicester

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thanks for suggestion paul

Out of interest, a friend just suggested to me that the Hirobo SST Eagle Freya 80/90 flys very well. Has anyone ever flown both of them? What would you suggest is the better model to go for?

the Hirobo SST Eagle Freya 80/90 or the Raptor 90?

meh

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12-11-2004 01:23 AM  13 years agoPost 13
PaulH-MA

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Boston, MA

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I don't know much about the Hirobo models other than that my LHS doesn't carry many parts for them.

The Raptor 90 is an excellent machine. It is well supported by most hobby shops. There are a lot of upgrade available, although none are really necessary. If you really feel the need for bling, get the 90SE. Otherwise the normal 90 is good enough for most everyone else.

--Paul

TREX 450
Bergen Intrepid Gasser x2

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12-11-2004 01:33 AM  13 years agoPost 14
Billy Zimmerman

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Rainier Oregon

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i vote for the 90, it might be a good idea for u to keep in the same manufacturer for now as u r familiar with raptors and u only have to stock 1 brand of parts! plus i believe that the raptor 90 is the cheapest 90 available right now

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12-11-2004 02:04 AM  13 years agoPost 15
webbhost

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england - Leicester

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ok ill stick to raptor for now

meh

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12-11-2004 02:19 AM  13 years agoPost 16
Stu.

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Abrakebabra Kebab shop

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9252's are fine for cyclics.

You want a beefy servo on collective.

I use a hitec 6985 karbonite on pitch and it is perfect.

Mind you the 5995 Titanium gear is also a thought at 24Kg of torque....0.13 secs as well!

I run hitecs exclusively and have never stripped a gear on them, or had one fail in all the years since the digitals came out. 5945's kick butt.

Stu

www.waterfoothelis.com

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12-13-2004 10:45 PM  13 years agoPost 17
webbhost

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england - Leicester

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has anyone ever had a problem with 9254 or 9252's ?

If im spending all this money on a heli, id rather have a chopper which servo's wont strip

meh

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12-14-2004 02:43 PM  13 years agoPost 18
PaulH-MA

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Boston, MA

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I have crashed and bashed with the best of them, and my servos (9151, 9252, & 9254) haven't failed me yet!

--Paul

TREX 450
Bergen Intrepid Gasser x2

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