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Ark › X400 Kit quality, dissapointed.
05-08-2005 02:53 PM  13 years agoPost 21
raptorheli2

rrElite Veteran

rip off britain and no changing it

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i can't comment on the roll rate but it's going to be slower than the trex with the std setup. i didn't get to do anything with mine before the BEC cut in and the heli crashed. but when it was flying it was going great. much better than the zoom i had.

the way round it is trex paddles and flybar. that will give atleast the same response rate. if you want more then your looking at probably making a new flybar slightly longer. unfortunetely becuase of the size multiple mixing options is not likely but from what i've seen it is quick enough. it may be worthwhile cutting holes in the paddles and recovering them but how much you would gain from this i'm not sure. the covering may well be more than the amount you loss on the material on the paddle.

for everyones info, the trex stretch kit DOES fit perfectly. i have the carbon one and 325mm blades on mine just now.

cheers


www.waterfoothelis.com

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05-08-2005 02:59 PM  13 years agoPost 22
MrMel

rrProfessor

Gotland

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Well, For the short time I got it to the air yesterday, (before main gear stripped midair..)

I must say it flies VERY well, same as my T-rex eCCPM w blinged head + zoom paddles if not even more stable.

So how it is designed is quite right, just the quality of creation that isnt even close to ok.

The V2 will probably be amazing...

I will give this heli one more chance, I got a forth kit coming in from another vendor from another part of the world next week.
Hopefully at least the main gear isnt oval on that kit like the where in all other..

Question is also what quality the spare parts are, if they are the same as my kits, then its bad..

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05-08-2005 04:08 PM  13 years agoPost 23
jaseyshef

rrApprentice

Sheffield, UK

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Hello again Mel,

10 out of 10 for effort mate, here's hoping it works out.

As for spares I have bought a fair few (too enthusiastic too early on in my flying) and have found them to be straight and good replacements.
As I said before I'm not keen on the metal tail rod, but I've swapped that for a modified trex carbon one.

Out of interest do the trex cnc tail cases fir the x400?

Jase

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05-08-2005 05:26 PM  13 years agoPost 24
raptorheli2

rrElite Veteran

rip off britain and no changing it

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there is a cnc tail case due for the x400 very soon. but i'm sure the trex one will fit.

cheers


www.waterfoothelis.com

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05-12-2005 05:40 AM  13 years agoPost 25
MrMel

rrProfessor

Gotland

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The saga ends.

The forth kit was good quality.

Amazing however that it took about $800 (with shipping) to get this bird Ok.

I kind of lost the interest for the x400 in the process.

It flies very good, stable and nice in hover, but in FFF I rather take my eCCPM converted T-Rex, it has more exact flight charactaristics.

So, When the rex 450 XL CCPM is released, I gonna place an order for 5 kits...or more.. just to be sure..

- Fredrik

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05-12-2005 07:24 AM  13 years agoPost 26
ptarp

rrVeteran

IL

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Thats insane. If my x400 kit (on its way) has any problems it will be on ebay that night and I'll be ordering an XL Rex when it comes out. I have high hopes however, that I'll be very happy with it.


Philip

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05-12-2005 01:23 PM  13 years agoPost 27
ozace

rrKey Veteran

melbourne, australia

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good luck Philip, seems to be hit and miss with the quality. the heli once sorted is good but the poor quality of the parts is a pain.
I substituted t-rex bits for the poor x-400 bits and it is now good.

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05-12-2005 04:02 PM  13 years agoPost 28
ptarp

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IL

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I'll keep my fingers crossed


Philip

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05-12-2005 04:43 PM  13 years agoPost 29
piroflip

rrApprentice

Northern England

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hi MrMel

i think you are being very kind with your suppliers!

if you have bought sub-standard kits send them back for a refund

glad your sorted in the end

enjoy your flying and good luck

heli veteran of thirty years.......still learning!!!!!!

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05-12-2005 05:10 PM  13 years agoPost 30
MrMel

rrProfessor

Gotland

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One easy way to find out, test all your ball-links in the kit, if you have no need to resize anyone of them it seems that its a good kit.
If some binds, some are loose etc, then its a bad kit.

That is how it has been for me at least.

Btw, I have pm:ed/mailed to the resellers that sold me the bad items, with no response so far..

And to the persons suggestion that I should sell the bad kits on ebay, Well, thats why I dont buy on ebay, because people doing just that (and I wont)....

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05-12-2005 05:24 PM  13 years agoPost 31
ptarp

rrVeteran

IL

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You bought 4 new kits because of bad ball links?

BTW, about your ebay comment. I didn't suggest you dump it on ebay and advertise it as new condition. I'm always honest with my auctions about any defects, otherwise I'd be riddled with negative feedback.


Philip

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05-12-2005 05:25 PM  13 years agoPost 32
Swashplate

rrKey Veteran

UK

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Hey MrMel,
I have been watching this thread for a while.

I have a question to ask. Did you notice that all ball links have a circular mould on one side. When you connect it to the ball, it has to be facing outwards. Same concept as Align's 'A'. It will not go easily into the ball if you try putting it the other way.
I havent had a single problem with the ball links. Much better than the TRex ones.

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05-12-2005 06:34 PM  13 years agoPost 33
ringram2077

rrApprentice

Birmingham, AL

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MrMel
BTW, about your ebay comment. I didn't suggest you dump it on ebay and advertise it as new condition. I'm always honest with my auctions about any defects, otherwise I'd be riddled with negative feedback.
Good for you !!!!! I feel exactly the same way. I didn't get 100% positive feedback dumping crap on Ebay and I don't think much of anyone that does .

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05-12-2005 08:18 PM  13 years agoPost 34
MrMel

rrProfessor

Gotland

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The ball link part was only one way to check the quality without assembly of the whole kit.

Read the thread from the beginning and see that the heli is unflyable due to very bad centered main gear...

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05-12-2005 11:40 PM  13 years agoPost 35
Swashplate

rrKey Veteran

UK

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MrMel,
Sorry, I think you didnot get my point. The ball links are designed in such a way that, they are true only when inserted with the circular mould facing the opposite side of the ball. If you try to insert the ball link into the ball with the circular mould facing inside, you will never get free play.
I will try and upload a picture on monday (when its free )

Regarding the main gear, it is never truely centered, with my little experience, i can say, you will have high points and low points on the main gear, so it will be tight on gear mesh on one side and feel loose on another side. this is a very common phonomenon.

Since I havent seen your kits i cannot vouch on anything, but I can assure you the points you have mentioned are very common problems/scenarios with most helis. Even my X400 has it. But I dont look at it as a problem as my Hornet II also has it but with minor tweeking works fine.

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05-12-2005 11:54 PM  13 years agoPost 36
MrMel

rrProfessor

Gotland

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?? Im know about ball-links need to face one side, you really need to read the page 1 of this post.

I have compared the good with the 3 bad kits, and they are _totally_ different in quality. Plastic parts are miles apart in quality.

Regarding main gear, in the bad kits the gear was soo off center that full mesh (too much) on one side, still it left the motor pinion _completly_ on the other side. = totally unflyable.

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05-13-2005 01:11 AM  13 years agoPost 37
Raffy

rrElite Veteran

Chicago, Illinois

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I got my X400 built and made a test hover today. It hovered and moved around pretty nicely.
The quality of the kit needs minor touch up as mentioned by others here or else the bling upgrade will take care of that.
I paid close attention to the main gear as when spun around on the pinion gear there came a point where it got tight. Upon close attention with a magnifying glass, I noticed that the ridge between the teeth was halfway deep as the others. I filed it to make it as deep as the others.
The canopy should be installed above the lower tray plate. Concealing the lower tray with the canopy, will cause the canopy to interfere with pitch, aileron and elevator controls.
One great thing about this is the challenge of fixing the problems as you build it to get a good start with having fun flying it. After all, you bought it and it's yours.
Building it without paying attention to details on your part will definitely result in heli crash/bashing.
I wanted to complain but I don't speak Chinese!

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05-13-2005 06:13 AM  13 years agoPost 38
MrMel

rrProfessor

Gotland

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Well, my main gear was about 1-1,5 mm off center, you didnt even need a mag glass to see that. (more then the length of the teeths...)

I do pay attention when building my heli's, maybe the manufacturer of the x400 should to.

Dont need to debate this anymore, I got 3 bad kits, one good, quality between them was miles apart, $800 spent, will give the x400 to a friend of mine when the Trex 450xl gets here.

Ive been pm'ed to tell who sold the bad once, I wont tell, this matter will be solved privatly between them and me.
I can however tell that the good one came from Wes at Modefos.

Im closing this thread now.

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