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Author Topic: Second step in Helis  (Read 1197 times)
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simpilot
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« on: September 20, 2008, 01:15:47 PM »

Hi,
I started with the Real flight G4 Simulator as I've been advised in here and found it really helpful (thank you Anwar). I am practicing as well on my first Helicopter (Hirobo LAMA co-axial). I am looking now to upgrade to the next level. Would you kindly advise me what should be my next step: Nitro or keep on electrical? what size? what brand? Blade CP or Trex ?
Thank you
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anwar
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« Reply #1 on: September 20, 2008, 06:04:02 PM »

Great to hear that your efforts are coming along nicely    Smiley   Clap

Depending on your situation (budget, mostly!), there are a few options you can consider.

1) Trex 450: Most people in Doha started with this, from what I have seen so far. 

Pros:  Stable enough, although not as much as some of the other options below.  Crash/parts costs are reasonable, and most parts are available in Qatar.  Electric, so no messing with nitro engines/fuel/setup.  Does not need large field to fly, many people hover inside their houses (not recommended at all), or in their parking lots.  Flight times per battery are reasonable (around 12 minutes).  Battery prices are also reasonable.

Cons: Not as stable as the bigger helis.  Gets affected by wind easily.  People outgrow this one easily, they feel like they need a bigger heli as soon as they are comfortable flying.


2) Trex600 Nitro or Raptor 50 Nitro helis :  These are the second most commonly used starter helis in Qatar.

Pros :  Very stable (if built and setup right).  Handles significant amount of wind. Large flight times (just refuel and go, no need to wait for each battery to get charged).  Parts are available locally.  Helis that you can keep for a long time, you will most probably never outgrow these.   Trex 600 is higher quality (costs more too).

Cons :  Nitro engines can be quite an experience for a beginner (but not a big deal if someone else does the initial build/setup).  Need to have starter, glow plug ignitor and fuel. Fuel and exhaust are messy.  Need a large field to fly.  Crash costs are significant. 


3) Trex 500 :  Ever since this came out, people have repeatedly claimed that this is the right size for a beginner. 

Pros:  Not too big, not too small.  More stable than Trex 450, can handle wind better.  This can be a long term heli, since it is big enough to fly in a field, even under a good amount of wind.

Cons: Higher cost of heli, batteries and crash/parts.  Flight times are small (around 6 minutes per battery), so you need a few batteries, which adds to the cost. Need a larger area (preferably an open field) to fly.  Parts are not readily available in Qatar.



In any case, be sure to make yourself really comfortable on the sim before you try it out on the real thing.  Practice different orientations on the sim, like hovering/flying with the nose of the heli pointing towards you.  For the first few flights, get the help of an experienced flyer on a buddy/trainer chord.  If you come to the field, you will certainly get help from fellow flyers.

Regards,
Anwar.
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simpilot
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« Reply #2 on: September 22, 2008, 12:10:37 PM »

Dear Anwar,
Thank you for the valuable information in your generous reply above. I already spent enough time on the simulator and the indoor XRB Lama, and it is time to start planning for my next Helicopter. On the RF G4 simulator, the most rewarding flight to my opinion is definetly the Bell 222 scale head (retractable Gear) : very stable, looks realistic while flying. But I think this helis would be very expensive, is it?


I found 2 interesting websites:
1- http://www.align.com.tw
2- http://www.centuryheli.com/

I have few questions, and I would appreciate if you could give me some answers at your convenience when you have time; you know I am new in this hobby, and I know I have a lot to learn.

Do you advise the trex 600 electric instead of Nitro (easier for me) ?
Can I order online?
Would the customs in Qatar cause any problems upon receiving & clearing the package?
If the Trex comes as a Kit, will it have a detailed assembly manual with it?
How should I know what additional items to order with the KIT to make the heli fly?
Can I use my own controler (4 chanel) Hirobo ?
Sorry, too many questions!! if you have some time, I would appreciate your advise.
Thank you for your kind assistance,
Best regards.
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fernie_vital
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« Reply #3 on: September 22, 2008, 02:28:48 PM »

Hi SimPilot,
If you're planning to purchase a Align Trex 450 then just hold on because I found a Align Trex clone which performs the same or if not better that the original Align Trex450. The Bird is called CopterX (you can check in eBay) and have read a lot of positive reviews to it. Parts also have a very reasonable prices compared to Align parts. Like for me, I'm always absent every Friday morning in Wakra (unofficial Flying Field) for almost 3 months now and not able to fly my Trex 600. I don't want to be stack in hovering so I'm just flying my Trex450 in the vacant lot near my place. Its not that stable compared to the 50 size helis, they can easily disturbed by a soft wind but what matters is that keeping the momentum of your learning process.

Hi Anwar,
I miss seeing you fly your Heli. Did you get yourself a Trex 700?
Really miss you guys.

Regards,
Fernie
Trex 450xl
Trex 600 Nitro Pro
Raptor 50 V2 SE
Hirobo Sky Robo
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anwar
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« Reply #4 on: September 22, 2008, 06:34:13 PM »

SimPilot -

I should have mentioned that you can use Trex 450 or its clones, like the ones below :

http://www.ehirobo.com/shop/product_info.php?cPath=173_174&products_id=5583
http://www.bananahobby.com/1455.html (you can opt for without the radio)


Now, trying to answer your other questions....

1) Do you advise the trex 600 electric instead of Nitro (easier for me) ?

I would not advise a Trex 600 electric, since the batteries are very costly, and the flight durations are very low. The Trex 500 electric is a better choice, and costs are lower, and stability is only slightly lower than the 600. If you are going electric, which is generally easier, go for a Trex 450 (and its clones) or a Trex 500.

2) Can I order online?

Sure, everybody here does it all the time. Most of the time it is cheaper to order online than getting things locally.

3) Would the customs in Qatar cause any problems upon receiving & clearing the package?

Customs in Qatar SOMETIMES ask for a letter from the Qatar Scientific Club (QSC) when you get things shipped in. And to get a letter from the QSC, you have to be a member of the Aviation club at the QSC.

4) If the Trex comes as a Kit, will it have a detailed assembly manual with it?

There is very detailed manual that comes with the kit. But it is highly recommended that you get the first kit built with the help of an experienced RC heli flyer. There are lots of small things to take care of. At the very least, you should first watch the "Finless" Bob's build videos at http://www.helifreak.com/forumdisplay.php?f=60 for the particular model you are trying to build.

5) How should I know what additional items to order with the KIT to make the heli fly?

If you made your decision on which model you want to get, we can discuss this in detail. I strongly recommend that you visit one the flying sites to get in touch with the flyers, to watch and decide on the equipment you will be needing. You will need "allen" wrenches, pitch guage, thread-lock glue, double sided tape etc etc. For electrics, you will need a charger that supports Lithium-Polymer (LiPo) batteries. For Nitro, you will need a starter, fuel, glow ignitor, and a charger for your reciever battery.

Can I use my own controler (4 chanel) Hirobo ?

No. All the non-toy helis require 6 channels minimum. You need to get a good radio. It is recommended that you get a 7-channel 2.4Ghz radio as a minimum.

« Last Edit: December 29, 2008, 03:38:55 PM by anwar » Logged

simpilot
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« Reply #5 on: September 26, 2008, 09:01:30 PM »

Thank you Fernie, Thank you Anwar for your advices. I will certainly take them into consideration. I will probably keep practicing on the G4 simulator and my indoor co-axial hirobo for few more weeks. meanwhile I am reading reviews and learning as much as possible about this nice hobby. we will stay in touch. One more time, thank you!
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simpilot
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« Reply #6 on: October 11, 2008, 07:44:08 AM »

I purchased last week the T-rex 600 nitro kit. I started assembling and I am almost through. I agree with most of the reviews stating that the kit is very wisely packed and easy to assemble (having some technical background). I should be done in couple of days, and then I will buy the Transmitter set (futaba 7C 2.4 as per your advices) and fit / program the servos and Gyro. Till now, I believe that my trex 600 is being assembled up to the required standards as I am going by the book step by step, considering all tiny little details, using a caliper to measure all the links, applying CA glue, threadlock...etc. besides, I've read a lot of reviews and assembly hints which helped as well. however, I am still worried about the time when I have to start the engine for the first time (having no previous experience). For this reason, I prefer not to be alone on the field at that time, and to have the trex 600 checked professionaly before the first Hovering. Can anyone assist or I have to go to heli shops for such assistance?
Thank you in advance for your advices.
 
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anwar
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« Reply #7 on: October 11, 2008, 08:33:29 AM »


After you get your radio and the rest of the gear, come to the field any Friday morning, and we will help with setup verification and test flights.

Anwar.

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simpilot
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« Reply #8 on: October 11, 2008, 09:06:29 AM »

Thank you Anwar for your usual outstanding help. Please find below my mobile no:
5857361. I would appreciate if you could send me your contact number so we can stay in touch, expecially when I will go to the field as I don't know the location.
Regards.
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anwar
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« Reply #9 on: October 12, 2008, 06:44:02 AM »

PM sent.
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