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500 Class Electric Helicopters 500 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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07-04-2009, 03:52 AM | #61 (permalink) |
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Join Date: Jul 2008
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ok finally got the bloddy thing apart....although Ive made a real big mess, damn green loctite, its not good for anything....only headaches
Im trying to get the bottom bearing out now and I dont have a vice which makes things difficult. Thanks for the vid, I didnt realise its so difficult.
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Daniel DX7 - Mode 1 TREX 450 PRO!! - GP750 & DS520 - HS65's - AR6100 - Scorpion -8, Align speedy |
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07-04-2009, 08:04 AM | #62 (permalink) |
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Join Date: Jul 2008
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Well after several hours of fighting all I have to show is a busted motor...the bottom bearing was so tight that instead of the bearing popping out, the inner race of the bearing just gave way, so all the little ball bearings fell out and of course all that was left was the outer race which is now impossible to remove from the collar thing.
Really pisses me off that there was nothing I could do about it. Now for a new motor...
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Daniel DX7 - Mode 1 TREX 450 PRO!! - GP750 & DS520 - HS65's - AR6100 - Scorpion -8, Align speedy |
07-04-2009, 08:11 AM | #63 (permalink) |
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Sorry to hear man. Thanks for posting your experience tho.
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07-04-2009, 09:53 AM | #64 (permalink) |
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Join Date: Jun 2007
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I just get a scorpion 1600kv and fly in this morning , the result not good for me , flying time is down to only 3 min , the power down too, i can not do tic toc , with stock motor I do tic toc very well , my esc is CC 80 , flat curve 100% , timing set 7 (default of cc is 5 ), 2650 mah zippy , so what esc that scorpion motor work good with ?
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07-04-2009, 02:00 PM | #65 (permalink) |
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3 min flight and can't do a tic toc? Sounds like something is wrong. My 1600kv and scorpion esc has insane power. What is your head speed? What pinion? How old are the batts?
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07-04-2009, 05:57 PM | #66 (permalink) |
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Join Date: Jan 2008
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Hey
Jared great video changed my bearings only 1 problem opening was very hard to do but got it everything went smooth put bearings no sweat went do last step and screw back together and realize threads where gone stripped when opening can all well ordered new Tonic motor supposed to be good ever hear of them made by Z power I think |
07-04-2009, 09:57 PM | #67 (permalink) |
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Join Date: Jun 2007
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yes , i don't know why , pinion 13 , new battery, next time will try outrage XP 2600 6s, replaced 500L back and the heli rock again , but 500L get too hot , 85 0C after 4 min , I think it will burn out if 5 min, Hacker A40 on the way
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07-16-2009, 03:03 PM | #68 (permalink) |
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Join Date: Jun 2008
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TREX 500
My TREX 500 motor bearings are going bad. Can you tell me what size I need to order?
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07-16-2009, 03:44 PM | #69 (permalink) |
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The sizes and part #s are in the video. People have also linked to boca bearing replacements in this thread.
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07-16-2009, 04:09 PM | #70 (permalink) | |
Join Date: Aug 2004
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Quote:
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07-18-2009, 03:27 PM | #71 (permalink) |
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great post and thank you!!! ive been chasing a issue with my heli for a week now, in idle up the heli would drift all over and the tail was jumpy. after reading this and watching the vid i checked mine and sure enough the bottom bearing was trashed and the upper wasnt in the best shape either.
lucky i had extra bearings laying around swapping bearings was straight forward thanks to the vid I found the sealed bearings at finless link but it didnt say if they what abec rating they were. if someone has a link that would be great. at this time helidirect is out of any usfull bearings. |
07-18-2009, 05:29 PM | #72 (permalink) | |
Join Date: Aug 2004
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Quote:
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07-18-2009, 08:36 PM | #73 (permalink) | |
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Quote:
i dont want to spend the 19 bucks on these http://www.bocabearings.com/main1.as...n=*ENK-227C-HP |
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07-19-2009, 04:43 AM | #74 (permalink) | |
Join Date: Aug 2004
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Quote:
http://www.rc-bearings.com/catalog/p...roducts_id=460 |
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07-27-2009, 04:36 PM | #75 (permalink) |
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Thanx heaps. It's people like you that help make this addiction so enjoyable. Goin off like a frog in a sock !
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08-04-2009, 01:23 AM | #76 (permalink) | |
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Quote:
you still have your parts? |
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08-04-2009, 07:26 AM | #78 (permalink) |
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Join Date: Nov 2007
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Thanks for this info, this is great! I replaced the bearings with Boca Ceramic SS abec Bearings. I bought them directly from boca for like 20 bucks each. I dont use the engine since I got the scorpion, but its ready for back up.
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GOBLIN 700 SPEED-KOSMIK200-700XF-NEO-BK CYCLIC AND TAIL TREX 700E-NEU KDE 1917-12 PINION-NEO -JR 8717 HV CYCLIC-MKS990 TAIL-ICE 160-KDE UNIVERSAL MOUNT W/PINION SUPPORT |
08-08-2009, 08:07 AM | #79 (permalink) |
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Thanks Jared and everyone for this excellent how-to,
It worked for me for the Motor RCM-BL430SP that came on my Trex 450 Pro Super Combo, and in case that could help anyone these are the specs of the bearings. d = 3.5mm D = 7mm B/T = 2.5mm and d = 4mm D = 8mm B/T = 3mm Everything is possible with the right tools |
08-16-2009, 04:45 PM | #80 (permalink) |
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Join Date: Aug 2008
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Just replaced my bearings, man it was not easy and it was very scary...I will testit out tonight to see if all is ok.
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DX8 | TREX 700E | BEASTX | CC80HV | 700MX | AR8000 | HW 15Amp UBEC | DX8 | TREX 550E | BEASTX | 600MX | CCBEC PRO | 70G ESC | AR8000 | HELIIMAGE Printed BOOM WRAPS & CUSTOM CANOPY NAME
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