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HomeAircraftHelicopterThunder TigerRAPTOR 50 › Equipment Upgrade Questions
01-20-2010 12:12 PM  8 years agoPost 1
mydartswinger

rrApprentice

Fort Bragg, NC - USA

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I'm looking to put some better equipment in my Raptor 50 V2. I flies well as is for my current flying style, but I'm looking for a better flying setup to work into 3D.

My current setup is:
50 V2 w/ all CNC main rotor from swash up
OS 50 non-hyper
JR DS811 and DS821 servos
Futaba GY401 w/ S9254 Tail Servo
TT 600mm CF main blades (before my last crash, just woodies for now)
KBDD Tail Blades (before my last crash, stock TT's for now)
TT Red ultralight paddles
unkown 4 Cell, sub-C NiCD Rx pack
plastic horizontal and vertical fins

My planned setup after upgrade (changes only):
JR 8717 cyclic & throttle servos
JR 770 3D Gyro w/ 8900G tail servo
Radix 600mm CF main blades
Radix 92mm CF tail blades
CY Stubz 393 CF paddles
ZIPPY Flightmax 7.4V 2100mah 2S3P Rx pack
Align HE50H10T B6T 2 in 1 Voltage Regulator/Glow System
Mavrikk CF fin set

This is about a $950 upgrade.

I currently fly sport aerobatics (loops, rolls, stall turns, etc...), but I'm starting to work into 3D. I would like to have at least a decent setup for 3D.

What should I expect for flight differences with this setup vs. my current setup? Should I change anything on my planned upgrade? If so, what should I change, what to, and why? Keep in mind that I really don't want to spend much more than the above listed total at this point.

Thanks in advance for any advice.

The Rappy 50 in question:

Edit:
HS-625MG changed to JR DS8717 on throttle.

Stop Playing Lawn Darts!!! AMA #909181
http://www.davisbridgeaeromodelers.com

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01-20-2010 12:20 PM  8 years agoPost 2
Heli 770

rrProfessor

USA.

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First upgrade I would do is replace the DS-821.

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01-20-2010 12:33 PM  8 years agoPost 3
RaptorMan23

rrKey Veteran

Sioux City, IA

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Although this wont make a huge difference, you may as well put a 60L carb on your OS 50 sx, some people have problems with keeping it cool after putting the hyper carb on but you can always scan the classifieds for a hyper head and carb.

And if your going to be spending all this money, dont go cheap on the throttle servo, it needs to be just as fast. I personally would go with another 8717 but your skills may not require it right away

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01-20-2010 12:36 PM  8 years agoPost 4
mydartswinger

rrApprentice

Fort Bragg, NC - USA

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That's one of the reasons I'm wanting to do the upgrade. If I'm not mistaken, I'm using it as a pitch servo. I'm currently deployed, so I can't look at it to verify which channel I put it on for sure. I'm gathering all of the parts up to get it all done shortly after I return to the States in a couple of months.

I bought the 821 at the SRC as a last ditch effort to get it flying for the event (had some issues with control, thankfully I do a control check before I ever fire it up). I really didn't have time to get it right before the event, as I had just got back to the States that Wed, drove 1k miles Thurs/Fri to attend the event on Sat. I had only planned on hovering at the event anyway, as it had been a few months since I'd flown anything.

Thanks again for the reply.

Stop Playing Lawn Darts!!! AMA #909181
http://www.davisbridgeaeromodelers.com

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01-20-2010 01:03 PM  8 years agoPost 5
tarzan_eb

rrApprentice

Central Illinois USA

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I would not run the 821 on pitch at all! first it is not recommended on any thing bigger than a 30 size heli and second many 821s have failed even in that application. The 811 will be fine on the throttle. I think the 8717s are a little pricey for beginner 3d I would try something a little less expensive mabey 8311s unless you just have the extra money then run all 8717s

Fly it ! Crash it ! Rebuild it ! Repeat as needed !! Everett

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01-20-2010 01:20 PM  8 years agoPost 6
mydartswinger

rrApprentice

Fort Bragg, NC - USA

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I plan on doing the upgrade before I fly it again, so the 821 on the Raptor isn't an issue at this point.

I'm wanting to do this upgrade while money is less of an issue. This is essentially my post deployment toy (instead of a motorcycle, TV, or new car). I've got about $2500 worth of upgrades and repairs to do to 3 helis and 2 trucks, plus a new DX7, Tx case, and battery charger. I can shift some things around a bit on some of the models to go a spend a bit more if I have to (I.E. use the 811 & 821 servos from the Rappy on my Shuttle instead of buying all new HS-625MGs, saving about $150, to allow for better gear on the Rappy. I can also cut the 2 trucks out completely to save about $550.).

As for the 8717 vs 8311, other than price, is there a reason I should go with the 8311 over the 8717?

Also, though not a huge difference, what kind of improvements would I see with a 60L carb and Hyper head?

Thanks again.

Stop Playing Lawn Darts!!! AMA #909181
http://www.davisbridgeaeromodelers.com

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01-20-2010 01:30 PM  8 years agoPost 7
RaptorMan23

rrKey Veteran

Sioux City, IA

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Also, though not a huge difference, what kind of improvements would I see with a 60L carb and Hyper head?
Slight power increase, depending on how much fuel youve run through your current engine of course

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01-20-2010 01:39 PM  8 years agoPost 8
mydartswinger

rrApprentice

Fort Bragg, NC - USA

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I bought the heli used with the curent engine already installed. I don't know how many gallons he ran through it before I bought it. I've run 3-4 gallons through it myself.

Stop Playing Lawn Darts!!! AMA #909181
http://www.davisbridgeaeromodelers.com

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01-20-2010 01:49 PM  8 years agoPost 9
Heli 770

rrProfessor

USA.

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If it hasn't been done yet, change out the tail hub to the SUS tail hub(PV0499).

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01-20-2010 02:22 PM  8 years agoPost 10
mydartswinger

rrApprentice

Fort Bragg, NC - USA

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If it hasn't been done yet, change out the tail hub to the SUS tail hub(PV0499).
That was one of the first things I did to it when I first bought the heli. I was forewarned of the horror stories of tailrotors flying off in mid flight and didn't want to take any chances.

Thanks again all.

Stop Playing Lawn Darts!!! AMA #909181
http://www.davisbridgeaeromodelers.com

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01-20-2010 02:31 PM  8 years agoPost 11
RaptorMan23

rrKey Veteran

Sioux City, IA

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no problem

By the way thanks for your service to our country

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01-20-2010 05:59 PM  8 years agoPost 12
TwistedRotor

rrApprentice

Yup

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Convert the head to the SE version. Cheap and well worth it.

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01-20-2010 06:55 PM  8 years agoPost 13
mydartswinger

rrApprentice

Fort Bragg, NC - USA

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RaptorMan,
Thank you for your support.

Twisted,
What are the differences between my head and the SE version? What would be the benefits of switching to the SE head?

Thanks again all for the suggestions.

Stop Playing Lawn Darts!!! AMA #909181
http://www.davisbridgeaeromodelers.com

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01-20-2010 08:19 PM  8 years agoPost 14
JasonJ

rrKey Veteran

North Idaho

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Greater pitch range (+-15 degrees)is the major benefit, along with leading edge control. You can to the conversion by just swapping the seesaw, mixing arms, and going with super stiff dampeners, then dremeling the V2 metal head for clearance and do it for around $40, or just upgrade the entire head and mainshaft (more expensive).

Another option is to buy a new SE kit which will have a motor, pipe and blades along with key improvements. Sell the V2 as is and use the money to buy the servos/gyro/2in1/etc. You might not be money ahead this way, but you'd have an awesome helicopter.

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01-20-2010 10:18 PM  8 years agoPost 15
Ghost Rider 414

rrApprentice

Hendersonville,NC. USA

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If it were me I would go with a spartan gyro insteed of the 770 I have 3 770's and 2 spartans and love the spartans lots better use the 8900 with the spartan and its great.

Jerry
AMA 891553

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01-20-2010 11:12 PM  8 years agoPost 16
tryan02

rrProfessor

Canton, Missouri

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Ditto thanks for your service to our country.
Been there done that everyone should.

All these upgrades are over my head but I was reading and noticed you spoke of a DX7. Me personally that would be my first upgrade.

I am a Futaba fan myself I went from the 6EX to the 10CG and WOW!
High end radios are worth their weight in gold.

I have flown a wide variety of radios unfortunately most of them with fixed wing aircraft, DX5,6,7 Futaba 6EX, 7C and my 10C, And finish off with a JR9303. Out of all those My 10C is the best with the 9303 second but it is super heavy I see why the guy used a neckstrap!!!

No Really I am the club President!!!

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01-20-2010 11:26 PM  8 years agoPost 17
colsy

rrElite Veteran

Cambridge, UK

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Not much really.

Dont get sucked in to the 'Hype'

A better pitch servo, would be the first thing.

Col.

Only Quote From Experience.

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01-21-2010 07:43 AM  8 years agoPost 18
mydartswinger

rrApprentice

Fort Bragg, NC - USA

My Posts: All  Forum  Topic

jasonj & twistedrotor,
For the SE head, I really don't need the +-15 degrees of pitch. Heck, nobody really "NEEDS" +-15 degrees anyway, except for that extra "pop" for climbouts. I think I'll wait on the SE head.

tryan,
I probably should've been a bit more clear on the DX7, my fault. I already have one (an airplane version), but it's seen it's better days and is being held together by CA glue. It still works, but I'm constantly re-gluing it and such just to keep it together. The new DX7 (heli version all the way this time) is just to replace the current one. I had considered going to a X9303, 10X or 12X, but I'm really not going to need the extra channels or features for the foreseeable future (at least 5-6 years). The DX7 suits my needs well as long as I don't go for the big models.

Ghost Rider
What advantages does the Spartan gyro have over the 770 gyro? What is it about the Spartan that you like so well over the 770?

colsy,
I'm trying to make an educated decision and not get sucked into the 'hype'. That's why I'm asking the "why's and what's" with any suggestion made. That way I can decide if I should go for the change or not based on all of the info at hand, and not just going the "jump on the bandwagon" route. All of the listed upgrades will be done at the same time before the heli is flown again. The DS821 that's on the heli now is not an issue, it will be off the Rappy before it's flown again.

Thanks again all for all the replies. Informative thus far, keep 'em comin'.

Stop Playing Lawn Darts!!! AMA #909181
http://www.davisbridgeaeromodelers.com

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01-21-2010 12:32 PM  8 years agoPost 19
Ghost Rider 414

rrApprentice

Hendersonville,NC. USA

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the spartan is smaller easy to setup and you can make changes with your computer and future updates with your computer.

Jerry
AMA 891553

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01-21-2010 02:05 PM  8 years agoPost 20
NitroAl

rrApprentice

Gold Coast Aus

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If you are going to stick with Spektrum and run 8717's you can save weight by going for an AR7100 or AR7100R (if you want a gov too) over the Align 2in1 and have a simpler setup with stacks of reliable power for those hungry servo's. If its onboard glow you want there is always Switchglow or the more cost effective "Perfect Regulators" onboard glow!

I can see you want to keep all your electronics JR and I have seen the 770 perform some mighty impressive 3D, the downside is it is still quite expensive. Dare I say it but the best value for money gyro on the market at the moment is the GY520 and paired up with a bls251 is still cheaper than the competition and performs as well as ANY other setup IMHO.

The V2 head assembly is not the latest and greatest but it is still great none the less, It will do just fine! Red dampeners are a must!

The rest of the gear is good, you don't need to fit lighter paddles but if you really really want to then I sugest you use the flybar weights supplied with the Stubz as per the instructions! Radix blades are great blades for stepping into 3d, They don't bite too hard and have a little give letting you getaway with minor over zelous collective control!

Most important of all, enjoy your heli in all its glory and smash that 821 with a BIG hammer.

Alex

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