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Old 03-31-2009, 07:59 PM   #261 (permalink)
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Default Stock Motor & 18A Esc

Guys,

I bought a new ESC for my 2nd hand Gaui and just plugged and play. The motor was fine for a while and the heli could fly and can still fly at the moment. However after 2 mins of flying, I get a high pitch sound and heli starts to bog during flights. Not sure if its from the motor or ESC.

Then when I have gone thru the manual and Bob's build videos in more detail, i found that "OH NO" i did not program the ESC .

Could the ESC or motor be damaged? What will be the outcome if one does not program the ESC before flights?
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Old 03-31-2009, 09:26 PM   #262 (permalink)
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Most likely the wrong timing setting on the motor.. As long as you set it down wuick you should be ok.. just program it up.
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Old 04-17-2009, 02:37 PM   #263 (permalink)
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Default Eli(rear) servo

Hi Bob,
I'm from the UK and your not as well known here as in America, but im so glad i found your vids on the Gaui 200 v2 se cuz i've just taken delivery of one, not very sensible of me as im a neewbie and this will be my first CP heli after several FP heli's, but hey, after 60yrs of jumping in with both feet i'm not gonna stop now

Any way i also got Hyperion servo's (DS-09 series) AMD's for cyclic and GMD for tail so was really pleased to see you using Hyperions as well, everythings gone fine so far, except im not happy about the rear(eli) servo, it sticks out level with the end of the canopy bracket thingy and the servo arm is just fouling the inside of the frame.

So is it alright to mount the servo the same as the other servos with arm outside the frame and make up a servo link with a bend in it ? seems to me Gaui didn't think that rear servo positioning through, or maybe they used a smaller brand servo.

I must admit when i bought the little Gaui and it said ARTF 95% assembled i thought it would be a simple little task. How wrong i was, if it had'nt been for your superb build video's i dont think it would have ever flown, it might not yet, but thanks to you its got a fighting chance.

Anyway Keep up the good work cuz us neewbs and i suspect experienced Heli Freaks couldn't manage without you.
Ray
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Old 04-17-2009, 03:24 PM   #264 (permalink)
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No I would not bend the link. That will cause problems and possibly cause it to pop off the ball.

Bob
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Old 04-17-2009, 05:43 PM   #265 (permalink)
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Quote:
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No I would not bend the link. That will cause problems and possibly cause it to pop off the ball.

Bob

Hi Bob,
Thanks for reply, didn't expect that so soon.

I've played about with the servo position without actually doing anything and i was already coming to the same conclusion, i think there's just about enough room inside the frame after its snugged down to avoid the fouling that had me worried. The canopy wont go on the baynet(is that the right word?) of the bracket though, the servo sticks out about 4 mm to far, but im sure i can improvize something to get over that problem.

Just one more thing, as you've actually flown one of these little lads, How would you go about calming it down, cuz i can see that it will probably be a bit of a handfull for a neewb like me? Ive got him on a DX7 which im only just starting to understand, but am hopefull that i can use its computerized wizardry to tame the beast.

I know you've probably covered this elseware so just a pointer in the right direction would be appreciated.

Ray
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Old 04-17-2009, 06:12 PM   #266 (permalink)
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add 30% expo to aileron and elevator.

that tames it a lot
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Old 06-24-2009, 03:41 AM   #267 (permalink)
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Have not been updating myself on the EP200 at this site. I have the V1 and will need to download all Bob's Videos (thanks a million Bob!) to check that I have set it up correctly. I had some problems lately with the heli starting correctly and then loosing power with a high pitch wine - thought it was the main gear and replaced that but it happened again and I have since put it in cold store due to other challenges.

I was thinking of upgrading to a V2 as I still have loads of parts for the V1. Can some one do a comparison and comment on whether the upgrade cost is worth the money?

I am a newbie who likes this Heli and bought it before Align came out with the 250.

Thanks guys.
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Old 06-24-2009, 09:36 AM   #268 (permalink)
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you implying the align 250 was a better choice ?

Not even close
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Old 06-24-2009, 09:57 AM   #269 (permalink)
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I too started with the V1 and upgraded piecemeal, starting with the tail, then the head parts, and finally the frame. I will say that each upgrade did give me a noticable improvement. the tail was much 'tighter' (less slop), the head was pretty much the same, but does look nicer than the V1 with the brake on the top. And the frame is much sturdier, adn provides a little more breathing room for components to be installed.

I say do it, just my 2 cents.
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Old 06-24-2009, 04:17 PM   #270 (permalink)
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Gerard, please check the flange bearing at the tail, both sides.
I lost one of these bearings in flight the other day, before that I had a high pitch sound.
Saw a solution where someone had put some epoxy between frame part and bearing to hold it tight.
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Old 07-01-2009, 09:46 AM   #271 (permalink)
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Quote:
Originally Posted by Ha.kan View Post
Gerard, please check the flange bearing at the tail, both sides.
I lost one of these bearings in flight the other day, before that I had a high pitch sound.
Saw a solution where someone had put some epoxy between frame part and bearing to hold it tight.
Hi Ha Kan, Thanks. What are the flange bearings and which part of tail are they found? Apologies, I am not sure of the names of the parts.
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Old 07-01-2009, 10:16 AM   #272 (permalink)
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the bearings inside the tail casing that house the tail shaft.
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Old 07-12-2009, 08:06 PM   #273 (permalink)
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Also check to make sure the little e-clip is still on the motor shaft just under the pinion gear. It is the one that holds the motor together. Mine came off in flight once and caused a loud wine and that was what caused it. I put a new e-clip on and all is fine.
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Old 07-13-2009, 01:38 AM   #274 (permalink)
 

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Thanks for this tip buster.

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Old 09-27-2009, 12:24 PM   #275 (permalink)
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Hello Bob!

I am wondering about programable servos on your "what's in the box video". If I quote you "... you can also change dead bands and few other tinks wich actualy for this heli might be kinda important." What do you mean by that?


I have 2 options for cyclic servo:

Inolab HG-D202HB : 0.11sec/60 : 1.8Kg/cm : $29.95
Hyperion DS09-SCD : 0.15 sec/60° : 1.6 Kg/cm : $32.95


Does the programable option worth the lack of speed/tork you thing?

Thank you Bob!
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Old 09-27-2009, 12:39 PM   #276 (permalink)
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If you get the hyperion cable and software you can program the servo from a PC. The best part is you can center the servo and no need for subtrim in the radio to get the servo arms 90.
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Old 09-27-2009, 12:44 PM   #277 (permalink)
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Thank you Bob. If it is the only advantage... I'll go for the faster one.
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Old 10-17-2009, 12:50 AM   #278 (permalink)
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Mark for my EP200v2 for the future use!
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Old 06-03-2010, 07:21 PM   #279 (permalink)
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Nice how-to!

Well... is it normal that I can move the blade-holders oft the tailblades to the middle of the tailshaft? (as you can see at the attachment)

At the Trex-250 it isn't...
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Old 02-06-2011, 08:41 PM   #280 (permalink)
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Bob,
In your ESC setup video you mention that governor mode is when you get beep beep, beep beep beep beep. My manual shows this to be heli with no governor and that the sequence for heli with governor to be beep beep, beep beep beep.

Which is correct? is there a mis-print or just human error?

I thouroughly enjoy your videos, Thanks for taking the time to post them.

ApachePilot
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