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07-23-2009, 11:27 PM | #1 (permalink) |
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Join Date: Jul 2009
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HS-65HB vs. HS-65MG
I am about to buy new servos for my Blade 400. I hear a lot of folks saying that they are going to or already use the HS-65MG servos. However, if you read the specs, the 65HB looks better. Well, to me anyway. What would be the difference and is the 65MG really better?
Flying wise, I don't really try any 3D stuff. Mostly FF, FFF, or just general horsing around. |
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07-23-2009, 11:30 PM | #2 (permalink) |
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Join Date: Aug 2007
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What 'specs' are you referring to? As far as I'm aware, the 65HB and 65MG are exactly the same other than the material the gears are made out of (and the sticker on the case).
I am partial to the HB's because I prefer the less slop of plastic gears vs. the crashworthiness of metal gears. Plus, when and if I do crash, I'd rather replace servo gears (or just a cheap $25 servo) than have something else bend ... |
07-24-2009, 12:10 AM | #3 (permalink) |
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Join Date: Jul 2009
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The specs that I am referring too are, if I read it right, the HB appears to be faster, but has less torque. Now, this was reading from a sales catalog. Am I confused possibly?
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07-24-2009, 12:27 AM | #4 (permalink) |
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Join Date: Aug 2007
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According to www.hitecrcd.com the only difference is that the MG is .7g heavier.
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07-24-2009, 03:09 PM | #5 (permalink) |
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Join Date: Jul 2009
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That's is exactly why I posted here. I knew that someone could help me. For that I truly thank you. Of course, most of the time when I am not certain of something it is because I have confused myself or someting of that sort. Again, thanks.
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07-26-2009, 05:53 AM | #7 (permalink) |
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Join Date: Sep 2006
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The MG versions last through crashes, and do NOT cause more damage. If you hit hard, the links just pop off.
IMO, the whole metal just makes other things break is a falacy. When guys flying plastic parts break, they break/bend exactly the same parts as the metal part helis, PLUS they break some of the plastic parts. Yes, if you hit hard enough with metal parts, you will bend/break parts, which do cost more to replace, but with a plastic part heli you will have 1) Totally rekitted the heli with that crash and 2) spent a LOT more money replacing plastic parts every crash up to the big one.
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Terry AMA#47402, IRCHA # 3395 Blade CP "Pro", Trex 450SE, PiccoZ, Quick of Japan EP8v2 EX, Hurricane 550, Hurricane 200, JR Vibe 50, Blade mCX, Bergen Intrepid Gasser, Pantera 50, Blade mSR, Novus CP |
07-26-2009, 09:34 AM | #8 (permalink) |
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+1 on everything Pinecone said. My MG's have lasted through four crashes, two of them were ugly.
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07-27-2009, 08:48 AM | #9 (permalink) |
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I have no idea how many crashes mine have been through.
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Terry AMA#47402, IRCHA # 3395 Blade CP "Pro", Trex 450SE, PiccoZ, Quick of Japan EP8v2 EX, Hurricane 550, Hurricane 200, JR Vibe 50, Blade mCX, Bergen Intrepid Gasser, Pantera 50, Blade mSR, Novus CP |
07-27-2009, 02:47 PM | #10 (permalink) |
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Join Date: Dec 2007
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How are you guys mounting the 65mg to the trex 450. The frame has only 1 hole per tab but it looks like the mg65 has 2 holes per tab. I would like to replace my ds285 with mg65 but i noticed in the picture the servo tabs have 2 holes on the mg65.
Thanks Joe
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Radikal 30 SE with Generator,BLS Servos. T-Rex 450 Sport, HS 65mg Servos Futaba 14SGH |
07-27-2009, 03:28 PM | #11 (permalink) |
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Join Date: Aug 2007
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The 65HB and 65MGs have 3 mounting holes.
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07-27-2009, 04:37 PM | #12 (permalink) |
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Join Date: Dec 2007
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3 Holse per tab right? so I can use the center hole to mount the servo just like the Ds285.
Thanks for the info. Joe
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Radikal 30 SE with Generator,BLS Servos. T-Rex 450 Sport, HS 65mg Servos Futaba 14SGH |
07-27-2009, 05:03 PM | #13 (permalink) |
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Correct. I've never had a problem mounting the servos to my 450 or G5.
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07-27-2009, 06:11 PM | #14 (permalink) |
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Join Date: Dec 2007
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Thanks You for the info.
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Radikal 30 SE with Generator,BLS Servos. T-Rex 450 Sport, HS 65mg Servos Futaba 14SGH |
07-27-2009, 06:42 PM | #15 (permalink) |
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Join Date: Sep 2006
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You do have to square up the holes in the frame. The Trex frame holes tend to be too rounded at the corners. Just file ehough so that the servo case does NOT touch the frame at any point.
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Terry AMA#47402, IRCHA # 3395 Blade CP "Pro", Trex 450SE, PiccoZ, Quick of Japan EP8v2 EX, Hurricane 550, Hurricane 200, JR Vibe 50, Blade mCX, Bergen Intrepid Gasser, Pantera 50, Blade mSR, Novus CP |
07-27-2009, 07:02 PM | #16 (permalink) |
HF Support
Join Date: Aug 2007
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Hmm, I've never had to do that on any of my three 450s I've built over the past 2 years.
Although you do have to center the servos in the frame, despite having only one hole on each ear. |
12-20-2009, 08:03 AM | #17 (permalink) |
Join Date: Dec 2009
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Hitec servo chatter
What will cause a servo to chatter when you let it go back to center? I can move the
stick little and it will quit chattering back and forth. What can I do to stop this or is the servo bad? It is a HS-65HB servo. |
07-28-2011, 05:55 PM | #18 (permalink) |
Banned User
Join Date: Jan 2010
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Crashed my B400 with the HBs half a dozen times and only had to replace one set of gears. Not sure about the servo chatter recobrian, mine do that too, but only a little bit. You should be ok.
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07-29-2011, 12:22 AM | #19 (permalink) | |
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Join Date: Mar 2009
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I have 65MG's on my 450 clone, and 65HB's on my plane. The 65MG's have survived for several years and many crashes. The plane and the 65HB's are brand new so I cannot say anything about reliability of those.
Quote:
- It could be the type of pulse that the Rx is sending out, make sure to set it to analog servo output if programmable. - It could be that for this Rx/Tx combo (if you use modules), that you need to reverse the shift phase (e.g. when using my FrSky modules, (with digital servos) they work both with positive and negative shift, however they chatter alot more on negative than positive - I have seen several combinations that will chatter alot when "idle" or not supplied by load. This chatter normally goes away as soon as they are loaded (flying)
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