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04-16-2020 04:10 AM  45 days ago
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Girard Ibanez

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Tucson, Arizona (formally from Guam)

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Roban AS350
After many years of building rc helicopters since 1989.

I'm a bit disappointed in my first Roban 700 size scale rc helicopter.... you decide based on the pics.

Perhaps I got a kit that was packaged on a Monday and/or Friday.

In this pic, the right door lower hinge is broken. This is how I received it when I unpacked the fuse from the box.

In the next pic, the torque drive shaft.

A YT video of the torque tube runout.

Watch "Roban AS350 Torque Tube Not running true" on YouTube

Watch at YouTube

Watch "Roban AS350 Torque Tube NOT running true opposite end." on YouTube

Watch at YouTube

All I did was report discovery issues encountered upon delivery and assembly as per the attached inserted 30 day warranty label.

As for the door, why would the door be dissembled.

As for the runout on the torque tube, any guarantees no high frequency vibrations.
Roban's (Ed Adriano) response:

The damage on the door as I can see is not a factory damage. The door hinge and screws looked like being forced upon removal. This is not covered by our warranty claim since this is not a factory damage. Unfortunately, we do not have the door hinges in stock presently.

The torque tube shaft is mounted normally using (2) Tube ball bearings with (Rubber housing) equally mounted / with distant spacing. Once the ball bearings are mounted this will eventually allow the rods to straighten out by itself during spool up. I have done this many times over on my build and a slight difference will not matter. Like I said, the torque tube shaft will straighten out by itself once you attain the enough rpm to hover your helicopter. (Geometrically speaking - 2 points makes out a straight line).

Team Thunder Tiger
since 6/2005 to 12/2014
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04-16-2020 11:08 AM  45 days ago
Notar

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Taxachussetts

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The door looks like impact damage. Dont know what to say about that.
The torque tube once connected to the tail rotor gearbox will more than likely be fine. Have seen this quite a few times in the past.
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04-16-2020 12:42 PM  45 days ago
stuka

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Hollywood,Fl USA

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Was this purchased from Motion RC? If so call and speak to someone else. My buddy bought a new EC 135 from them and the windshield was damaged. The first guy he spoke to wanted to send him a new windshield which they didn't have in stock. The second guy was useless and finally the third guy sent him a shipping label and sent him a new helicopter.
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04-16-2020 01:57 PM  45 days ago
Copter Doctor

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Roban has very poor quality control. A replacement still wont guarantee satisfactory results. Hope you get it taken care of.drive a rotary, fly a rotorcraft
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04-16-2020 03:24 PM  45 days ago
lt1pwr

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Douglasville, GA

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Hi Girard,

It's unfortunate this happened to you and it's not uncommon to receive a Roban fuselage with some type of damage. It's happened to me a few times and like CopterDoctor said, getting a replacement may have damage as well.

The torque tube shouldn't be a problem, I currently have 2 Roban heli's that do not have straight torque tubes and it doesn't create any issues during flight.

The best thing to do is take the fuselage to an auto body paint supply store and have them use a paint scanner to scan the flat underside and they can make a small container of touch-up paint. I've had to do this a few times and it worked out nicely.

I have spare hinges, just PM your address to me and I'll send it to you.

Jay
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04-17-2020 12:05 AM  44 days ago
Girard Ibanez

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Thanks ALL for your replies .... having shared your experience greatly puts things at ease.

As for replacement parts ... Motion RC has none. Hence why their response.

Team Thunder Tiger
since 6/2005 to 12/2014
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04-17-2020 01:58 PM  44 days ago
stuka

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Hollywood,Fl USA

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Motion RC replaced the fuselage for my buddy. Lucky for him they had one in stock. You are correct that it doesn't guarantee that the second one wont be damaged but it is worth a shot. Ultimately the decision is yours.
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04-17-2020 04:12 PM  44 days ago
Copter Doctor

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I got my Astar unpainted and boy am i glad i did. A bunch of stuff to fix. Much of it were quality control issues.drive a rotary, fly a rotorcraft
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04-18-2020 01:13 AM  43 days ago
206 pilot

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Dam that sucks!! Wen I got my LAFD 412 from RCARODYNE the fuse was perfect,one issue was the rotor head, So I ripped it off and went with vario 4 bladed rotor head,2 bolt blade grip and blades flys like it’s on rails, Love flying it but that will be my last Roban model..Rich

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04-18-2020 03:01 AM  43 days ago
Girard Ibanez

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Anyone bought a AS350?

Curious about the battery location and CG.

Team Thunder Tiger
since 6/2005 to 12/2014
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04-19-2020 02:44 PM  42 days ago
Copter Doctor

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My Roban AS350. I locate my batteries under tbe cabin floor to help with the cg

drive a rotary, fly a rotorcraft
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04-19-2020 03:29 PM  42 days ago
Girard Ibanez

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Copter Doctor My Roban AS350. I locate my batteries under tbe cabin floor to help with the cg
Copter Doctor, can you provide a pic of where you and how you have your battery relocated?

My friend also relocated his battery at the rear seat location. He also added additional ply below the seat deck as added support. His objective was to correct for the CG and to facilitate battery removal. He did not like removing the 2 bulk head screws and detaching the cockpit fuse.

Is this how you did your AS350? I am assuming not since you are deep into scale appearance.

Team Thunder Tiger
since 6/2005 to 12/2014
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04-19-2020 06:31 PM  42 days ago
Heli143

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Phenix City, Alabama

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Damn Emile, your Astar looks great!

As for Roban, yes they have their issues but so do all other brands. All I know is they keep improving their products and do listen to their customers.
That’s my two cents.
Roy Mayoral
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04-20-2020 03:24 AM  41 days ago
Copter Doctor

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Girard,
These are two 5000mah batteries under the cabin floor along with a 3 cell 3600mah pack for the rx and some lead to get the cg slightly nose heavy. I should be able to lose the lead once all the cockpit and cabin is built and installed. As long as nothing protrudes any higher than the lower fuselage area you should have no issues. Also i have earth magnets that hold the front cabin in place so no screws to fuss with.

Roy, thanks man!
drive a rotary, fly a rotorcraft
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04-20-2020 03:39 AM  41 days ago
lt1pwr

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Looking good Emile.

I as well keep the batteries under the cabin floor. This model is very tail heavy. Notice the lead weight I had to add even with the batteries forward of the mast.

Jay

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04-20-2020 06:26 AM  41 days ago
Girard Ibanez

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Copter Doctor / It1pwr,

Thanks for sharing .... Do you all fly with another battery for the radio? 12 years ago it was called a BEC.

I'm installing a Kontronics Kosmic and Ikon2 along with Spektrum AR9030T and 3 satellites. Currently reading up and educating myself on all these fancy electronics.

Team Thunder Tiger
since 6/2005 to 12/2014
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04-20-2020 06:31 AM  41 days ago
Girard Ibanez

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Tucson, Arizona (formally from Guam)

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I'm looking for a good source for XT60 connectors. The ones I have require lots of effort to unplug. Not sure if this is due to not having any wires soldered on to aid in grabbing the connector (which is really not the way to unplugged).

I may go with EC5 but don't care for how challenging it is to insert the connector into the housing jacket.

Team Thunder Tiger
since 6/2005 to 12/2014
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04-20-2020 11:51 AM  41 days ago
lt1pwr

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Douglasville, GA

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Girard Ibanez Do you all fly with another battery for the radio? 12 years ago it was called a BEC
I use a 3 cell Lipo battery with a BEC to power my receiver, servos and Bavarian Demon. I also use a 2 cell Life battery to power the 2 navigation light controller boards.
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04-20-2020 07:00 PM  41 days ago
Copter Doctor

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Yup just like Jay i run a separate battery for the reciever n i use a 3 cell so if i drop one cell i still have plenty.drive a rotary, fly a rotorcraft
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04-23-2020 03:01 AM  38 days ago
TailKiller

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Panama City, FL

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"Perhaps I got a kit that was packaged on a Monday and/or Friday".
Thats the same thing I saud when I got my AS350 from RCA. This fuse was really very nice but the mechs were a wreck. Warped main shaft, RCA sent me a new one that was just as bad, replaced it with Sab Goblin 700 main shaft mod. The upper main gears were meshed so tight I had to hand file every tooth on the big gear to get it smooth without removing to much so it wouldn't strip. Not much I could do with the tail drop down metal gears except adjusting a little lash in them. The tail rotor metals gears were so rough I replaced them with Align tail gears, which are a direct fit and knock the tail vibs down a lot. As for the two piece LG, I used solid aluminum rod to span the gap and add strength. My worst fear was a hard landing. I knew that would be it's demise. So I pulled all the electronics and sold it.
Even with all the issues I don't regret the experience, I learned a lot. I would love to have one of their 800 Bell 212 but I just don't trust the mech's. IMHO
Dennis
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