? HS 5955 Gear Train ?
07-28-2007, 12:46 PM
#53
RE: ? HS 5955 Gear Train ?
In the meantime, those new 5955 servos are working out just fine in the Sukhoi. Looking hard and I can't seem to find anyplace to complain. Guess it may be time to go back to the maker I had spent so many years with in their beginnings.
07-28-2007, 02:58 PM
#54
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RE: ? HS 5955 Gear Train ?
ORIGINAL: Silversurfer
In the meantime, those new 5955 servos are working out just fine in the Sukhoi. Looking hard and I can't seem to find anyplace to complain. Guess it may be time to go back to the maker I had spent so many years with in their beginnings.
In the meantime, those new 5955 servos are working out just fine in the Sukhoi. Looking hard and I can't seem to find anyplace to complain. Guess it may be time to go back to the maker I had spent so many years with in their beginnings.
07-28-2007, 03:08 PM
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RE: ? HS 5955 Gear Train ?
Sorry... hate to belabour the Matchbox thing...
Even if you plug an extra battery into the Matchbox you are still running all the power for all the servos attached to the Matchbox through the single battery plug.
I prefer what I call "self-distributing systems". I have 3 plugs from regs into each RX and all the servos are connected directly to the RX. There is no way 3 servos will be near stalled at the same time, but if 3 do get to that point the power on the bus in the RX automatically re-distributes itself so that there is never more than 3 amps through any single plug, IN OR OUT of the RX or any servo. Pretty simply, really.
Electrons really are wicked smart... I like to give them the chance to think on their own without me having to tell them where to go
Even if you plug an extra battery into the Matchbox you are still running all the power for all the servos attached to the Matchbox through the single battery plug.
I prefer what I call "self-distributing systems". I have 3 plugs from regs into each RX and all the servos are connected directly to the RX. There is no way 3 servos will be near stalled at the same time, but if 3 do get to that point the power on the bus in the RX automatically re-distributes itself so that there is never more than 3 amps through any single plug, IN OR OUT of the RX or any servo. Pretty simply, really.
Electrons really are wicked smart... I like to give them the chance to think on their own without me having to tell them where to go
07-28-2007, 04:22 PM
#56
RE: ? HS 5955 Gear Train ?
Good points, none of which I'll debate.
What troubles me more is the potential for someone to actually stall a servo connected to a surface. It comes down to linkage set ups and servo rotation. Done properly you'd almost have to hang a bowling ball (eccentric example, don't try this) from a surface to stall the surface. Done improperly, like not paying attention to a ball link housing making contact with the servo arm, and you may not get 50% of the servo motion before it happens. Personally I belive most of the amp draw and stalling issues are created by the users. It's pretty difficult to stall a pair of 5955's or 8611's when they are set up correctly. I've seen some righteously wanker installations where I could not figure how they worked at all beyond the first flight.
What troubles me more is the potential for someone to actually stall a servo connected to a surface. It comes down to linkage set ups and servo rotation. Done properly you'd almost have to hang a bowling ball (eccentric example, don't try this) from a surface to stall the surface. Done improperly, like not paying attention to a ball link housing making contact with the servo arm, and you may not get 50% of the servo motion before it happens. Personally I belive most of the amp draw and stalling issues are created by the users. It's pretty difficult to stall a pair of 5955's or 8611's when they are set up correctly. I've seen some righteously wanker installations where I could not figure how they worked at all beyond the first flight.
07-29-2007, 06:14 AM
#57
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RE: ? HS 5955 Gear Train ?
JR10X, JR955 receivers, JR machboxes - one for each aileron and all 5955 around. This is 40% Carden Extra 330S built by me. 20 flights so far no issues -tons of power. I tested HS5955 last year on my 33% plane and they were perfect, so this season I moved them to 40%, two for each aileron, one for each elevator half, and two for rudder. Also I use all lithiums with Fromeco regulators. The servos tight, like they were out of box. I use only extentions with twisted wire. Never had single glitch. Great servos!
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07-29-2007, 06:46 AM
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RE: ? HS 5955 Gear Train ?
ORIGINAL: Silversurfer
In the meantime, those new 5955 servos are working out just fine in the Sukhoi. Looking hard and I can't seem to find anyplace to complain. Guess it may be time to go back to the maker I had spent so many years with in their beginnings.
In the meantime, those new 5955 servos are working out just fine in the Sukhoi. Looking hard and I can't seem to find anyplace to complain. Guess it may be time to go back to the maker I had spent so many years with in their beginnings.
I bought the programmer to match asymmetric elevator tracking issues caused by "bad builder" (me) and THAT plus the DOD videos on programming brought me up the curve very quickly. I eventually realized that once "centers" are set, per servo, if you document it, you can tweak the "end points" so that you do not have to have different ATV in the TX for mixed channels. That little trick made setups much easier for me.
Converting my setups to the A123 LiIon batteries, 20ga extensions, and 5955's, I have not had ANY concerns about either voltage loss or torque drop in my applications (all 30% planes, though). The 5955's are still slop free after many flights.
07-29-2007, 09:27 AM
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RE: ? HS 5955 Gear Train ?
So you finally broke down and did SS. I told you these servos were ****. Some of mine have the gritties but function perfectly. I can't believe all the JR's I have came out of the box with more slop than any of my used Hitecs. Remember when we looked at Shawn's 5955's with 50+ flights, tighter than a nats *****. Glad you are giving them a try, can't understand why JR does not use a similar gear train.
07-29-2007, 01:11 PM
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RE: ? HS 5955 Gear Train ?
ORIGINAL: RTK
Glad you are giving them a try, can't understand why JR does not use a similar gear train.
Glad you are giving them a try, can't understand why JR does not use a similar gear train.
My guess is JR knows there are enough die-hard, JR brand loyal junkies that will continue to buy them no matter what. The die-hards love to say how great JR service is because they will re-gear your wornout servos for free. Yeah, that's just what I want to do.. Pay a premium for servos that have to be re-geared every other month. I don't know about you, but having to pull all my servos, ship them off and then have to set everything up again is not my idea of fun. The only place you're "feeling the difference" is in your... ..nevermind. I don't know how Hitec's service is, because I've never had to use it.
07-29-2007, 03:11 PM
#63
RE: ? HS 5955 Gear Train ?
Both companies have a very good service department. I also believe both companies have had ample opportunity in having enough practice that getting good was a necessity. I'm with you when it comes to pulling servos and sending them back. I don't want to have to remove parts that take away my building and flying time, packaging, and postage fees because they wore out too early.
Based upon the performance I'm experiencing so far it looks like I'm changing back to Hitec. The new 5955's are wearing in just a tiny bit, are not as noisy as they were out of the box, and a little freer in motion. Still no slop or free play at all in any of them. I might consider an 8711 in a single servo application like a rudder, but not in situations where there would be a bunch of them that would need to be pulled and repaired. Same wth the 8611 now that I've seen the difference in free play between the brands.
To all those that are going to say "I told you so", well, you're right, you did.
Based upon the performance I'm experiencing so far it looks like I'm changing back to Hitec. The new 5955's are wearing in just a tiny bit, are not as noisy as they were out of the box, and a little freer in motion. Still no slop or free play at all in any of them. I might consider an 8711 in a single servo application like a rudder, but not in situations where there would be a bunch of them that would need to be pulled and repaired. Same wth the 8611 now that I've seen the difference in free play between the brands.
To all those that are going to say "I told you so", well, you're right, you did.
07-29-2007, 08:01 PM
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RE: ? HS 5955 Gear Train ?
SS - "To all those that are going to say "I told you so", well, you're right, you did."
NO one would do that.... but many of us are happy that you've confirmed our own experiences. Always good to have a little extra validation....
(P.S. - Buy the programmer. View the DOD videos. Improve your control setups overnight.)
NO one would do that.... but many of us are happy that you've confirmed our own experiences. Always good to have a little extra validation....
(P.S. - Buy the programmer. View the DOD videos. Improve your control setups overnight.)
07-30-2007, 04:06 PM
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RE: ? HS 5955 Gear Train ?
Glad you like them.
Also, when you get the programmer, run your servos in before you fly them. I always attach each servo to the programmer and run it back in forth in AUTO SELF TEST for about an hour at a modeate speed. This gets rid of any initial tightness and it validates the servos for me... most servos that fail (regardless of maker) will fail in the first minutes of operation.
Cheers
Also, when you get the programmer, run your servos in before you fly them. I always attach each servo to the programmer and run it back in forth in AUTO SELF TEST for about an hour at a modeate speed. This gets rid of any initial tightness and it validates the servos for me... most servos that fail (regardless of maker) will fail in the first minutes of operation.
Cheers
07-30-2007, 04:10 PM
#67
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RE: ? HS 5955 Gear Train ?
One more thing... the programmer will do another neat trick for you. If you plug it into any channel on your RX it will tell you the signal the RX is getting. Center SHOULD be 1500ms, but TX pots aren't perfect and can be flawed. You can adjust all your subtrims so the RXs are seeing exactly 1500ms from the TX... this is true center. Now all your perfectly programmed servos will start up at dead center when you plug everything up to the plane.
I've never done this, but I did notice that sometimes the surfaces weren't as centered as they were when I programmed them... I checked the signal and the TX was off a bit. I'll likely do it next time. Pretty anal though.
I've never done this, but I did notice that sometimes the surfaces weren't as centered as they were when I programmed them... I checked the signal and the TX was off a bit. I'll likely do it next time. Pretty anal though.
08-31-2007, 02:38 PM
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RE: ? HS 5955 Gear Train ?
Anyone using 5 5955s in a 30% plane that can tell me how much current you're using? Want to make sure I've got enough reg/batt capacity in my new Extra. Thanks, T.