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700 Class Electric Helicopters 700 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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04-08-2011, 10:00 PM | #1 (permalink) |
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Problems and Solutions Summarized
It's a start but so many things are being repeated thought it was worthwhile.
If someone knows how to paste an outline format I am all ears. 1. One Way Bearing a. Known to spin the steel insert inside the hub. At the factory this is secured with green loctite.2. Vertical Play in Main Gear a. Caused by the bearing in the top of the autorotation hub getting pushed down in the assembly.3. Main Gear Stripping a. This is especially prevalent with the original stock gear, Align revised the gear with a CNC Gear (AGNHN7019B) in the newer kits that seems to hold up well.4. Mesh a. KDE Adjustable Motor Mount is pretty much a requirement for adding another motor or gear. A worthwhile investment as setting mesh is important.5. Tail Kicks a. Can be many things but there are a few areas to look at on the 700E.6. Tail Rotor Failure a. The Metal Tail rotor is known to fail and the spindle bolts break off.7. Head a. At a minimum you need to remove the grips to grease the thrust bearings. Apply heat to the head to loosen the locktite otherwise very difficult to remove.8. Balancei. Can upgrade the spindle bolts to Lynx and they are nice, but not sure if really needed. a. Heli tends to be tail heavy, so when planning the location of the electronics try and get as much weight in the front as possible. This keeps you form having to move the lipo’s forward and getting a 3rd party solution that allows the lipo frame rails to be extended forward.9. Canopy Mounting1. KDE Front Mount allows battery tray to slide forward. Some issue with the new frame design rails getting in the way. a. Stock system uses C Clips to hold in place. The front mounts do not really need secured it is the back ones that are important to secure.10. Battery/ESC Mountingi. Quick UK has some nice magnetic ones that do not require modification of the stock canopy. a. Basically there are a ton of options so just going to point out some things to watch11. 3rd Bearing Block Modificationi. No more than 12” wire from ESC to Battery total.1. Can use Strapping Tape to secure the two lipos together, velcro under the lipo and straps to hold the lipos to the stock tray. The align Straps break, JR or scorpion straps are more robust. a. This is purely optional but benefit is less frame flex which contributes to main gear stripping and an overall smoother heli.. Addition of 3rd block underneath the main gear.12. Frames a. When you do crash the frames tend to break by the elevator servo. There is also a fair amount of flex.13. Wiring a. There are many ways to power the bird and not going to get into all that.14. Lipo Sizing a.The capacity and C Rating of Lipo's in this bird comes down to flight style and personal preference. The range can be from 3500mah vs 5000.
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"If you think you can or you can not you are right" Goblin Xera 4530, YGE 160,VBar Diablo, HJive, 4525 Ultimate,VBar Synergy N5C sitting in Box... Last edited by Mystic3D; 04-09-2011 at 01:48 PM.. |
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04-09-2011, 12:20 AM | #2 (permalink) |
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Wow, awesome post! As a 700e new comer a summary post like this is very valuable!
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04-09-2011, 12:32 AM | #3 (permalink) |
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Join Date: Aug 2009
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This is very good, Thank you!
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Henseleit TDR! Trex 800E F3C; Trex 550FB ------------------- I have no life anymore - only heli's in my head.. |
04-09-2011, 12:41 AM | #4 (permalink) | |
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Quote:
darn thos fat gears : ) great post so far, may want to throw in links to the post about the fix so they can get more information also to the post about the 3300 mah vs 5000 batteries for weight
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TRex-800E /Scorp 5035-478 5+5YY 1.8mm/VBar Blue Full 5.2Pro /CC Hv160/WR-Herc Super BEC/RJX 810mm 3D /RotoTech 115 + QuickUk Tail/ Hitec 7940th HV/TP 5000 65c |
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04-09-2011, 12:54 AM | #5 (permalink) |
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Join Date: Jun 2010
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+1 on this topic...
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Blade 230s V2, Blade 330s Align Trex 550X Dominator Align Trex 700E Radiomaster TX16 Phoenix 6.0 Flight Sim |
04-09-2011, 06:56 AM | #6 (permalink) |
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See I do listen to you..
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"If you think you can or you can not you are right" Goblin Xera 4530, YGE 160,VBar Diablo, HJive, 4525 Ultimate,VBar Synergy N5C sitting in Box... |
04-09-2011, 07:58 AM | #7 (permalink) |
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Bout time lol was ignoring my post for a while : )
looks really good ahh you got the 3rd bearing mod to ... I missed that one. Can we get a sticky maybe in the 700 form. here is the post on how to wire the bird it gets asked a lot to and its kinda a problem https://www.helifreak.com/showthread.php?t=237931 https://www.helifreak.com/showthread...ghlight=wiring 3500mah vs 5000 https://www.helifreak.com/showthread...highlight=3000 oh no I just thought, if we provide to many answers on all these repeat questions we may kill our own 700e forum : )
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TRex-800E /Scorp 5035-478 5+5YY 1.8mm/VBar Blue Full 5.2Pro /CC Hv160/WR-Herc Super BEC/RJX 810mm 3D /RotoTech 115 + QuickUk Tail/ Hitec 7940th HV/TP 5000 65c |
04-09-2011, 09:20 AM | #8 (permalink) |
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Great thread. Funny you guys think people will stop asking the same questions though. Doesn't bother me anyways, maybe people want to spend more time flying and less time searching through hundreds of threads just to avoid getting flamed for a repost.
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-Phillip Johnson, AMA #954735 |
04-09-2011, 10:04 AM | #9 (permalink) |
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Great post! Make it a sticky!
I ended up tracking most of this down the hard way and still really appreciate this summary. It should be great for people new to a 700e. Thanks!
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Lean not on your own understanding. Goblin 500 |
04-09-2011, 11:12 AM | #10 (permalink) |
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Mystic
Great summary! Why didn't you do this before the 700E came out???? Would have saved a lot of heartburn for us 700E regulars!!! Seriously!! Great job on the summary.
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04-09-2011, 11:54 AM | #11 (permalink) |
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Join Date: Aug 2009
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Very helpful post - Thanks a lot Mystic.
Make it sticky |
04-09-2011, 12:26 PM | #12 (permalink) | |
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Quote:
Thanks. Spent some time reformatting it for easier reading
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"If you think you can or you can not you are right" Goblin Xera 4530, YGE 160,VBar Diablo, HJive, 4525 Ultimate,VBar Synergy N5C sitting in Box... |
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04-09-2011, 01:09 PM | #13 (permalink) |
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Somebody should sticky this thread.
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04-09-2011, 05:22 PM | #14 (permalink) |
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Join Date: Mar 2009
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Mystic, youre da man! Thank you for this great summary.
Should be a sticky for sure.
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Greetz Marco Align T-REX 700 E BeastX, Pyro 700-52L, Power Jive 120 HV T-REX 600 ESP Jive 80LV, BLS451, GY520, BLS 254 |
04-10-2011, 02:16 AM | #15 (permalink) |
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...Once upon a time there were Nitros, flybars & frequency pins...Shawn |
04-10-2011, 02:33 AM | #16 (permalink) |
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ALSO, and we assume everyone does this many however do not...
Today I had a ball come right out of the swash, not stripped it backed out. So.... take out all your pre loctited bolts and so fourth and re loctite them yourself. I did use blue, but on this heli as the ball link threads into swash are fairly loose, I now put red on there 100% not going to have that happen again. FBL blades saved the day, the ball its rod the whole bit were gone and it actually landed in one piece, phew!!!
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...Once upon a time there were Nitros, flybars & frequency pins...Shawn |
04-10-2011, 12:01 PM | #17 (permalink) |
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Today I crashed my heli, so I believe Frame mode from Custom Heli Parts can help to maintain the weakness of some points of frame
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T-Rex 700N: JR DS8717HV; Vortex VX1+Outrage BL9188HV; Outrage BL9080HV/Throttle; Gryphon regulator; SG Pro; OS MAX 91HZ-R T-Rex 700E: JR DS8717HV; Spartan Quark+Outrage BL9188HV; CC ICE HV 160A; RCM-BL750MX (450KV); WR Super BEC T-Rex 250SE 350Watts |
04-10-2011, 06:34 PM | #18 (permalink) |
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I wanna know where this collar came from that the battery wires are tied to...
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04-11-2011, 04:45 PM | #19 (permalink) | |
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Quote:
http://www.saftlok.com/stl/tds/r48.pdf Last edited by rotaryguy; 04-11-2011 at 06:58 PM.. |
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04-11-2011, 05:36 PM | #20 (permalink) | |
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Quote:
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