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450 PRO Class Electric Helicopters 450 PRO Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 07-15-2017, 03:34 PM   #1 (permalink)
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Default T. rex 450 Pro DFC 3s what Servos do you use?

Hello,
I am using in my T. rex 450 pro dfc in the ciclic the servos Ds415m and one off the servos is broken today and there no shop in Europe Whitt this servos. I'm Tinking in change the 3 servos. What servos are using?
Thanks
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Old 07-16-2017, 01:36 AM   #2 (permalink)
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https://www.banggood.com/KST-DS215MG...nHYaAvsK8P8HAQ
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Old 07-17-2017, 08:38 AM   #3 (permalink)
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KST 215MG
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Old 07-17-2017, 08:56 AM   #4 (permalink)
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KST's 215 posted above are great. The Daviga branded ones are great too and a few bucks cheaper:

https://www.banggood.com/KST-DAVIGA-...1893200201507N
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Old 07-22-2017, 07:00 PM   #5 (permalink)
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was using hitec 65mg anologue servos. they were fine.

stripped 2 and swaspped them out for the turnigy 213C servos (designed for 250 helis). they work great can defiantly notice the extra torque. . They are over kill for a 250 size heli.
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Old 07-22-2017, 07:23 PM   #6 (permalink)
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When I was flying the Trex 450 Pro (pre-DFC), I used JR 285MG's (if you can get the 287MG's they are a bit faster).

The JR 285 and 287MG's are very precise and very tough-I crashed hard, twice (once on the head) and did not strip the gears or break the cases on the servos.

The speed specs for the JR's are not as fast as some of the others, but they are incredibly reliable and very precise.
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Old 10-26-2017, 01:47 AM   #7 (permalink)
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Over the years, my 450 Pro cost me at least one servo per crash, until I up graded to the DCF head, then in cost be at least 2 servo's each crash . I stayed with Align, up grade servos until I could no longer get them or there gears from LHS's. Then I tried MKS's, they suffered even more in a crash. I now use SAVOX all round, 3 crashes all simlar to the others, so far no gears or servos needed , much better than the Align ones in performance, very simlar to the MKS, just so far more crash worthy. Hopefully they will be around for a few more years, being just servo manufactures.
In the mean time my box of damaged, non repairable 450 servos will remain with only 32 in it
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Old 10-28-2017, 09:57 AM   #8 (permalink)
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Not DFC; I use a 3G head.

EMAX all the way 'round. ES08MDII on cyclic and ES9258 on the tail.

Two plus years and about four crashes doing flips, stall turns, and sport flying and only knocked a servo arm out of place.

No tic-tocs or anything aggressive like that but they handle mild aerobatics just fine.
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Old 11-03-2017, 11:59 AM   #9 (permalink)
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Are there any other servo horn options for the kst 215mg servos? I e always liked the aging horns. Yesterday in a test flight I had a tip over and broke one of the stock kst horns, are they made to break always? I guess itís better to break away and save your servo. I know the spline is the same as hitec hs65ís
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Old 11-04-2017, 07:55 AM   #10 (permalink)
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Default T. rex 450 Pro DFC 3s what Servos do you use?

A lot of people use these. They will break in a crash but they will save your gears.


http://www.anythingheli.com/gear-pro...hitec-kst-rjx/
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Old 11-30-2017, 08:53 PM   #11 (permalink)
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A question for you guys running the kst ds215mg servos on the pro..did you have any problem with fitting the? Is there any problem with the servo "tab" being short for the mounting screw?
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Old 12-07-2017, 12:22 AM   #12 (permalink)
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Quote:
Originally Posted by rex09 View Post
Over the years, my 450 Pro cost me at least one servo per crash, until I up graded to the DCF head, then in cost be at least 2 servo's each crash . I stayed with Align, up grade servos until I could no longer get them or there gears from LHS's. Then I tried MKS's, they suffered even more in a crash. I now use SAVOX all round, 3 crashes all simlar to the others, so far no gears or servos needed , much better than the Align ones in performance, very simlar to the MKS, just so far more crash worthy. Hopefully they will be around for a few more years, being just servo manufactures.
In the mean time my box of damaged, non repairable 450 servos will remain with only 32 in it
UPDATE
Since using the Savox cyclic, it has had 2 more good crashes, all have survived with out any issues, better than any others, finaly in the last crash the tail servo was killed (RIP Align servo) being an old 450, it was hard to find a mini size servo, all the later 450 are HV and micro, but Savox had one, and in a LHS, a little on the $$ side, but it works, so now all Savox
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