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SAB Goblin 630/700/770 SAB Heli Division 630/700/770 - Goblin Helicopters Factory Support


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Old 06-17-2012, 10:09 AM   #61
popokatepetl
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Here's the 3rd party steel pinion if you don't want to wait.

http://www.mscomposit.net/msc/eshop/...Pinion-20T-M41
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Old 06-17-2012, 11:16 PM   #62
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When is official steel one coming? This is a big problem, mine is waiting.... so are many others...
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Old 06-17-2012, 11:19 PM   #63
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I have 40 flights on my goblin and as far as I can tell it looks good still. But I did not do the wd40 breakin.
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Old 06-18-2012, 12:12 AM   #64
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I've heard that before and rest assured your pinion is being eaten up. There has to be backlash when you move main gear via main blades and it will only increase the more flights you throw on it. And that's with wd 40 or none.
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Old 06-18-2012, 01:09 AM   #65
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my first pinion lasted 34 flight before it was completely worn out!


i have pinions but it's not right to have to replace that in every 35 flight or so...

lets hope that they make planty of those steel pinions and that they last.

i dont understand this problem at all, testpilots have tested this heli hundreds of hard flights before it has published and still this kind of faults. not a big deal and they make alternative parts fast but still...
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Old 06-18-2012, 02:15 AM   #66
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Quote:
Originally Posted by Tohtori R View Post
my first pinion lasted 34 flight before it was completely worn out!


i have pinions but it's not right to have to replace that in every 35 flight or so...

lets hope that they make planty of those steel pinions and that they last.

i dont understand this problem at all, testpilots have tested this heli hundreds of hard flights before it has published and still this kind of faults. not a big deal and they make alternative parts fast but still...
look at # 02

http://www.facebook.com/photo.php?fb...&type=1&ref=nf
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Old 06-18-2012, 03:29 AM   #67
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Originally Posted by gelatmi1 View Post
yes i have read this thread from beginning and i know there is an steel version of that pinion coming soon.

what i dont understand is how this aluminium pinion design has ended to stores anyway becose there is test pilots like Bert and Tareq that test these helis hard and long before releasing...

dont get me wrong. i really like my goblin and this is not a big deal. i just dont get it...
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Old 06-18-2012, 08:33 AM   #68
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You see how hard they fly. My guess is they test for stress and high rpms.

I don't think they logged enough flights before they needed to be rekitted long before a pinion could wear out
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Old 06-18-2012, 08:39 AM   #69
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Guys, the original pinion that Tareq and I flew and tested was made of a slightly different aluminum alloy. The first batch of Goblin helicopters that was released had this "good aluminum", then for some unknown reason, our vendor changed the compound without letting us know Now, we've decided to make a stainless steel pinion that will simply last forever by-passing any possibility of vendor error

Hope this clarifies the doubts.

Bert
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Old 06-18-2012, 09:30 AM   #70
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Quote:
Originally Posted by Bert Kammerer View Post
Guys, the original pinion that Tareq and I flew and tested was made of a slightly different aluminum alloy.
Wow, I really think this amount of feedback from a company is unparallel in the heli community, and most other community as well. I really appriciate you taking time to keep is informed on all the topics we are discussing here Bert, and I'm just so very happy I decided to trust SAB and buy the first batch of Goblin's. If the weather permits, it's gonna be flight #200 anniversary today
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Old 06-18-2012, 09:45 AM   #71
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When will they be available?
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Old 06-18-2012, 09:51 AM   #72
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I was told last week in June, allow a few more days of course as it has to be routed through the proper distribution channels.

Bert
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Old 06-18-2012, 10:25 AM   #73
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what size comes with the base kit ?
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Old 06-18-2012, 10:28 AM   #74
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Quote:
Originally Posted by s0laris View Post
I don't think they logged enough flights before they needed to be rekitted long before a pinion could wear out
Team pilots will log an insane number of flights before any kit goes public.
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Old 06-18-2012, 10:31 AM   #75
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Unfortunatly this seems to be happening more and more. A company does all the necessary R & D to develop as close to a bullet proof product as they can. Then the designed parts go out to mass manufacturing. Then after a while one of the mass manufacturing facilities decides to change material or design without the original engineering companies approval for reasons unknown. And the end user assumes it is a design flaw on the product companies end.

Thank you for the honest post Bert.
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Old 06-18-2012, 10:37 AM   #76
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Quote:
Then after a while one of the mass manufacturing facilities decides to change material or design without the original engineering companies approval for reasons unknown. And the end user assumes it is a design flaw on the product companies end.
Unfortunately this happens all the time
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Old 06-18-2012, 05:39 PM   #77
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Thank you for the "official" feedback Bert!


I just had a quick question, what proceedure should be used for seating/breaking in a new steel pinion with a new main gear?

Same as before, (WD-40) or ...?


Thanks ,

Wiz
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Old 06-18-2012, 06:15 PM   #78
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Quote:
Originally Posted by Bert Kammerer View Post
Guys, the original pinion that Tareq and I flew and tested was made of a slightly different aluminum alloy. The first batch of Goblin helicopters that was released had this "good aluminum", then for some unknown reason, our vendor changed the compound without letting us know
This supplier wouldnt happen to be in asia would they (assuming you know and can say)? Its pretty common there. I hope its not spreading to other parts of the world too.
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Old 06-18-2012, 07:49 PM   #79
Bert Kammerer
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It is spreading everywhere

No break-in required with steel pinion, no grease or oil needed either

Bert
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Old 06-18-2012, 11:41 PM   #80
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I've got a spare main gear just waiting for some steel great job Bert and team sab

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