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Other › Dragonus II Elite Standard Build Thread
01-24-2007 02:13 AM  10 years agoPost 121
oopsididitagain

rrVeteran

Dubai

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thanks for the info fabien

ok maybe the mounts are suppose to be designed that way but if i were to use megapower ot TP 2100 packs , the CG of the heli is a little off compared to a custom battery mount like the trex

how can i fix that? or i have to change batteries =(

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01-24-2007 02:19 AM  10 years agoPost 122
rcstickman

rrApprentice

Florida

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Is anyone running this on a JGF 450 3S or 4S.

Thanks

Don't blame me, I did'nt vote for him.

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01-24-2007 02:23 AM  10 years agoPost 123
e-copter

rrApprentice

Nice, France

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Dragonus " standard " setup reply

Hi guys,

here is what i use and that works fine.

- Servos: BMS 373 BB for swash. Very nice servos, carbonite gears, good back to neutral and slope free (slope on smal servos is mainly due to bad case molding or case parts separating a bit with vibrations. Just check the case screws often..).
If other servo: you need precie back to neutral servos, as Dragonus is quite precise and rotorhead is slope free ( just check on a regular basis the th=ightening og the small plastic levers going from washout swing arm to swashplate, it you got slope in Flybar paddles tilting, it's coming from this tightening).

- MOtor: anything between 3000 and over Kv. Our European dedicated thing (A2Pro 450) is 3013 kv, can be flown from 12/ 13 T ( standard flight) up to 15 T. 14T seems to be the good setup between flight power and battery duration. Align B430L / 13T is working fine ( but i find it to draw lot of current with lower efficiency), the Astro Special T rex is awesome (i fly it 14 T, crazy!!) , medusa i did nto test enough to give a good report, MEga is ok but a bit expensive.
Rcer has released a motor and i'll test it, but we can not sell it in Europe ( CE certification).

-ESC : 30 amp minimum, 35 for motors like Align and 3S, and 40 amp for any power setup, 450 TH motor od 4s flight. be carefull with low cost Ubec, they cause more glitches than anything else.

- Receiver: Spektrum is the key on the Pro due to severe glitching on standard setups( yes, it is real carbon and specially ral tail boom that cause that glitching when the antenna is running along the tail boom)) or PCM, and on Prk if you ground tail boom/ frames to receiver and have antenna not parrallel to tail boom, then it will be glitch free. Pro does not like 35 MHZ lol ! On the dragonus SA, any 6 Ch receiver, but corect quality anyway.

- Gyro: LTG 2100 !!!!!! The BEST i nefver flew !

- Batteries: anything 3S from 1700 to 2250 mah. 4s for insane, 5S for having the joyce to see you helicotper dislocating in flight lol !!!

Well that's all folks for today, do not hesitate for any questions

BEst regards,
Fabien

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01-24-2007 02:31 AM  10 years agoPost 124
e-copter

rrApprentice

Nice, France

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Battery mount (again) and JGF motor.

Well, you can mount the battery differently. I'll take a pic tomorrow. You can change the ESC place, and use the alu spacer on the top,front frame as support to bring the battery nose up.
Little tip there, you can use isolation doors foam tape to put on teh battery mount and on the battery, and a little piece around the alu spacer. the battery will not move even one millimeter one tightened with a strap there ( works for horizontal setup as well).

But if this is too much an issue , then i can design a new optional battery tray and submit to Rcer in the next few weeks for production if requests number justify the manufacturing.

the JGF works very, very wel, and you get more flight time than on T rex with same setup due to more efficient transmission.
Jsut be very, very carefull with the motor mounting screw. You will hae to nali them to reduce the height as the motor suport is thin and screw will looooooooove to go eat the wiring in teh motor.
450 TH is extremely powerfull and there is a guy flying 500 TH ( !!!) 4S. Just... Insane. I never saw a Elite snaking so fast and so close to the ground without loosing RPMs !!! But Lightweight hardened balls required, and regular plastic rods to be changed and checked carefully on Swash / swing arm and Blade grip swing arm / blade grip.
If you use carbon tail blades, use thin plastic washers each side to fit in teh grip and keave a little slope or yo wil get vibrations ( normal at very high revs) and oil correctly tail mast as well.

BEst regards,

Fabien

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01-24-2007 02:39 AM  10 years agoPost 125
e-copter

rrApprentice

Nice, France

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Buzzsaw46 dampening and mold answer ( damn i'm motivated tonight lol) !

For dampening, please note that new reference is availble at Rcer.
It's R02TP028 reference, and they are harder than originals. Price is around 2 or 3 usd for USa if i do not mistake.
Special crazy 3D dampeners will be available later.
I noticed that when flying with unbalanced blades or bent mainshaft ( uuuh baaaad !) then the O rings collaspe quite fast over the transmarent washer. Metal washer is cool to use as well...

About molding, i'm a froggie, and live in the south of France. we use mainly german and french supplies, but the one you are naming look cool. I'll try to get a set of them.
If interrested, i'll give you the link when we cnc milled the foamy drafts masters.
total out of subjects: i'm seeking some help for electronic setupand mixings for V22 /BA 609 tilt rotor models (under oficial Textron license), at 1/5 and 1/10 size, big one will be twin turboprop.
This is programmed for July / september but if i can start seek infos, that would be cool !

Best regards,

Fabien

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01-25-2007 06:50 AM  10 years agoPost 126
eheliflyer

rrVeteran

NorCal

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there is a guy flying 500 TH ( !!!) 4S. Just... Insane.
Hey Fabien it's me!LOL Yes this heli and setup has crazy and unnecessary power but I love it. This heli is IMHO is the best in the 450 class.

Alvin

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01-25-2007 06:57 AM  10 years agoPost 127
Nick Jones

rrKey Veteran

anderson

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Ive flown it, it had the ost power out of any heli ive seen or flown, its insane.

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01-25-2007 07:24 AM  10 years agoPost 128
e-copter

rrApprentice

Nice, France

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Hi Guys,

for Oopsdigitagain, can you send me your batteries (TP) size?
We are talking in making a new battery tray, in carbon, for larger batteries including the new XP25 ( all new lipos coming up ar 25C).
But please note that in the case of a crash, there will not be any more fuse acting from the batttery tray and the frames may be damaged if hard crash on the nose
HEre are the references of the new items coming up as i just got them by the manufacturer :

R02TP026 : Hard Anodized lightened balls
R02TP027 : Full BEaring SF swing arm ( wash out arms)
R02TP028 : O ring reinforced
R02TP029 : Black Landing gears
R02TP030 : Carbon / FG canopy
R02TP019 : Night blades (carbon)

For any informations commercial informations, please contact US distributor ( Rc-Tek).

We have ( in Europe) hardened and rectified main shafts to come as well ( made in hardened high pressure injection molds injectors ! undestructible hehehe. Might be available in USA ?

BEst regards,

Fabien

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01-25-2007 08:55 PM  10 years agoPost 129
rcstickman

rrApprentice

Florida

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If interrested, i'll give you the link when we cnc milled the foamy drafts masters.
I would love to see pic or video of that.

Alan

Don't blame me, I did'nt vote for him.

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01-25-2007 10:55 PM  10 years agoPost 130
oopsididitagain

rrVeteran

Dubai

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hey thanks for the support

what do you mean for larger packs there wont be anymore fuse on the battery tray?

would be neat to see those hardened main shaft to be in US market

my batteries are megapower ones here are their dimensions

Size : 26x35x102 mm

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01-26-2007 12:36 AM  10 years agoPost 131
e-copterrrApprentice - Nice, France - My Posts: All  Forum  Topic

Hi guys,

here are a few shots.

On teh left, you have the Elite with horizontal battery mounted. Up to 2250 mah 3S no problems, but if you use the plastic canopy ( as now it is plastic canopy with FG white blades for Elite), if batteries are not so short use 1900 mah max or look at lenght so you are not disturbed by the canopy lenght ( the plastic one is very slightly shorter in the nose than FG one).

Middle is a Pro, i have taken it to make te quick shots. You can install thermal and wind isolation foamy tape for windows and doors for that, that is inexpensice and 100% perfect for having the battery not sliding once fixed with velcro.

HEre, the battery is an old Polywuest Xp, it is 134 mm long ( very long) and 42 mm wide.

The battery tray / frames space is 37 mm ( ok for your batteries).
Just install as on the pictures and you should have the bottom of battery on the tray ( you cna make a very small extension if needed) and top will be close to the servos but not touch them, as here i use the PQ batt 134 mm long.

LEft is Dragonus PLus ( SA in USA) so you can see it empty.

When using the battery at 45° like on the pro here, just fit the ESC somewhere else on the sides frames or wherever you cna find place.

Then, for the motor, if possible have a locking machined area to prevent gear to slide around .
We have made it stock on our motor ( especially for beginners so they do not drop loctite the wrong way and this does not ends up with loctite in top bearing...).

BEst regards,

Fabien

PS sorry fo the crap pics, it is 1:30 am here and i'm hiding in the kitchen to work, all house is sleeping hehehe

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01-26-2007 01:06 AM  10 years agoPost 132
JoeR

rrApprentice

western NY

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With the battery mounted at angle (middle)as in your picture it does not look like you have enough space for the front servos to be mounted.

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01-26-2007 01:16 AM  10 years agoPost 133
oopsididitagain

rrVeteran

Dubai

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e-copter: GREAT FLEET!!!! *jealous* , hope you guys can make the dragonus a better heli and part support than the trex....... i wouldnt want to see a great heli like this die out like other competitors which tried to compete with the rex

btw, i dont understand what you said on the motor , do you mean putting loctite on the motor mounting screws and the one you guys have already have markings on it so newbies wont put it on the wrong hole?

thanks

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01-26-2007 01:41 AM  10 years agoPost 134
e-copter

rrApprentice

Nice, France

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Hello JOeR,

well as i said in the text, the battery shown is an old Polywuest battery, about 134 mm long and a little more even, 45 mm wide
So it will never fit, i just did put it to show the position.
But the TP battery with the side provided is fiting ok, and it might even not be necessary to make an extension on teh front plate.
A spacial plate will be available in the next few weeks, i am designin git right after Nuremberg Toy fair and it sould be availble then from Rcer rather quick as we work very close.
As well, the transparent washer for oring and the alu spacer will be replaced soon by a special conical curved single aluminium piece, that will go from inner cage of grip bearing to oring. This way, there is no deformation possible of the transparent washer, so O-Ring does not come over and cut on the washer edge and does not collapse. As in addition new hardened O-Rings are coming up, we will design 3 different lenght spacers to allow Medium, Hard, mega hard dampening with only changing the spacers ( might even been sold in a bag with 2 of eahc in 3 different sizes). With these, reinforced hex srcrews for the feather shaft might be added, but teh actual screws are very tight and i did nto have any issues with all the dumb tests i made so far...

In september, or maybe before, Rcer might release a limited edition of Dragonus, green anodized, as red and blue is common everywhere with orange.

I would like to bring attention on the fact that i provide ONLY technical support as i received emails from people asking to buy a Dragonus from me, and on the commercial side the distributor i work for ( Europe) does not make direct sales ( only to agents/ distributors and shops), and even more, our domain is only Europe.
Thank you for get in touch with the US distributor for commercial informations

BEst regards,

Fabien

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01-26-2007 02:03 AM  10 years agoPost 135
e-copterrrApprentice - Nice, France - My Posts: All  Forum  Topic

Hi Oopsididitagainandagain,

about the loctite, i meaned that on actual motors, there is no flat on the shafts to help in locking the gear on it.
As even when you tighten the screws oin round masts, the gear can after some times slip around the shaft, some beginners did put some loctite on the shafts to have it act as glue with the gear ( sorry i d not know how to explain this very well in english).
But they made the mistake to put loctite on the shaft, slide the gear onteh shaft and screw and then .... Loctite runs along the shaft and fall on the top motor bearing and go inside and you know what happens next..
So by having a flat area on the shaft, customers only need to put very little loctite on teh hex screw, tighten and here we go

About the fleet, well......
and this is my temporary headquarter as i work late to prepare stuffs for Nuremberg so only way to work late without disturbing the little familly is.. Kitchen ( cofee, food, helis available and laptop... )

Here is pic of the disaster... And i have to clean up the place for 7am everyday as we are changing electricity / plumbing...

My Best friend, my cofee machine

Acrobat Shark with flybarless head in progress...

Collector, Ep Concept

A few ones.. Flybarless micro unmounted, Quark canopy SLS...

Dragonus 600 old prototype ( totally redesigned since), various stuff and a Bergonzoni gaz Rc bike is lying somewhere under the mountain..

Lost pixy zap and old BEll 429 draft

My Nemo parkflyer( a friend designed Nemo, Bruce and Dori hehehe), Bell 429 final draft ( new one from Hard CNC mold is drying now in the garage, ready tomorrow..), Roxxter 33 and my Mil Mi 24 ( 2,1 meter diameter)

Intelligence Data center

6mm gold connectors, for large electric helis

6mm, 4mm, and sub micro ( 0,8 gramm)

And more stuff in my Batcave under the kitchen, but confidential

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01-26-2007 03:16 AM  10 years agoPost 136
oopsididitagain

rrVeteran

Dubai

My Posts: All  Forum  Topic

nice make more of these helis and parts =)

totally understand the motor and loctite part. any tips on how to ensure the gear stays on for a align motor on the dragonus?

a dragonus 600 is showing up soon?

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01-26-2007 07:40 AM  10 years agoPost 137
e-copter

rrApprentice

Nice, France

My Posts: All  Forum  Topic

Hello,

well on an align motor, just have good loctite .
But have the manipulation between the gear and mast wit loctite done with motor upside down, so loctite will drop and not fall in the motor ( we have a name in france for that kind of loctite, it's blue one, i do not know in english).

Dragonus 600 will show up later, as we concentrate our efforts on the Dragonus 450. We are willing to help to establish the Rcer brand very strong and durable, and the quality of the actual products do not request urgent release of a 600 size model straight away like on some brands who release a new heli version every month
the Dragonus 450 II is, for us, the best out of the box helicopter available on the market, but we are still improving it with the manufacturer and plan to make it live long, so the 600 will show up when the manufacturer will feel ready to support 2 models spare parts constant availability and that the Dragonus will be installed and recognised everywhere it can
BEst regards,

Fabien

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01-26-2007 08:04 AM  10 years agoPost 138
eheliflyer

rrVeteran

NorCal

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If and when they release the Dragonus 600 I will be one of the first in line to get one. I love Dragonus and I agree with Fabien that it is the best in the 450 heli class. You got me drooling over the thought of a Dragonus 600.

Alvin

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01-26-2007 08:08 AM  10 years agoPost 139
oopsididitagain

rrVeteran

Dubai

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sounds fabulous man , thanks for the great dedication on doing it =)

hope to see more of these in all flying field. i still love the quality they have on it , the screws are simply fantastic . never stripped one at all.

hopefully with higher demand and mass production the quality still stays =)

cheers

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01-26-2007 09:36 AM  10 years agoPost 140
Scott_RC-TEK

rrNovice

USA + Germany

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Hi Guys,
I thought I would jump in here and say HELLO. Looking forward to the future.

Regards,
Scott
RC-TEK Ltd.

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Elec-Helicopters New or Limited Activity
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