Servo for RTR Bully 2

[cloudswimmer]

Honestly, I would use the cc bec just for the fact your getting more ounces running higher volts. Why not use the rc4wd bec in your other project? Your going to want as much power as you can get in your bully.

Well I could use The CC I guess, but you have to hook it up to a computer to program it, and thats a problem as my computers are all desktops in a recording studio .. tucked way back on a platform under a mixing desk surrounded by a zillion audio cables where its a major pita to get to them. Or is there a way to program it from an iPad or iPhone? Do you know what the stock voltage the CC is set at by default by chance?

 

[mikemcE]

Try to upload castle link onto your tablet...
Stock voltage is 5.1 if I remember


Hang up and Drive

 

[tapped-out]

You can send cc bec to me and I'll program it for you.

 

[84yoda]

Note: Castle Link software requires a Castle Link USB Adapter - sold separately and a computer that is running Windows. Castle Link is compatible with Windows Vista, Windows 7, Windows 8 and Windows 10.

Macintosh users may take advantage of software such as Parallels Desktop, VMware Fusion, or Apple's Boot Camp along with Windows Vista, Windows 7, Windows 8, or Windows10 to run the Castle Link software, provided the Macintosh has an Intel processor. Macintosh installation is not supported by Castle Creations.


Or go to your LHS and ask if they can program it for you.

 

[cloudswimmer]

Pick up a CC bec and run the 7955 at 7.4v. Will be ~400oz (same specs as 7954).

Ok was just reading the specs on my Hitec 7955TG, it says its rated at 333oz at 6.0 volts. You sure I'm not going to burn it out if I have the CC BEC programmed at 7.4 volts?


best servo just got better. Based on the powerhouse HS-5955TG servo the HS-7955TG has the added benefit of our G2 second generation programmable digital circuit. This new circuit has twice the resolution of our original circuit while adding programmable overload protection. The HS-7955TG has been designed for the most demanding hobby applications including the largest aircraft and monster trucks. Featuring a titanic 333oz./in. of torque at 6.0 volts, all this power is harnessed by incorporating the industries first Titanium gears for incredible wear resistance and two strong hardened steel gear pins and axial brass bushing in the servo case.
Specifications:
Motor Type: Coreless
Bearing Type: Dual Ball Bearing
Speed: 0.19 / 0.15 sec @ 60 deg.
Torque: 250 / 333 oz.in (4.8v/6v) 18 / 24 kg.cm
Size: 1.57" x 0.78" x 1.45" 40.00 x 20.00 x 37.00mm
Weight: 2.29oz 65.00g

 

[84yoda]

Look up '7955 7.4v' on Google. Tons of info about it. People at hitec say its fine, the 7954 and 7955 use the same electronics. But they have to market the 7955 at 6v because no one would buy the 7954. If they would market the 7955 at 7.4v with Ti gears, who would buy the steel gears version (7954) for the same price? No one. "thumbsup"

 

[tapped-out]

https://www.flyinggiants.com/forums/showthread.php?t=86995

For what it's worth.

 

[cloudswimmer]

Look up '7955 7.4v' on Google. Tons of info about it. People at hitec say its fine, the 7954 and 7955 use the same electronics. But they have to market the 7955 at 6v because no one would buy the 7954. If they would market the 7955 at 7.4v with Ti gears, who would buy the steel gears version (7954) for the same price? No one. "thumbsup"

You da man Yota "thumbsup" My CC 10a BEC is on its way to Tapped Out to get programmed for 7.4 volts. Getting stoked to get this thing running. Thanks for everything man!

 

[nzcrawl]

Steel is a much better gear material than (solid) titanium.
Titanium is quite weak, and soft, in the scheme of things.

1;1 don't have titanium gears do they? Even the expensive ones with no expense spared. Not because its expensive. Because its not the best and will fail / mush in short order.

It's somewhere between aluminium and a low carbon steel.
The good thing about titanium is its strength to weight ratio and corrosion resistance. But it still does not approach the strength, hardness or wear resistance of good steel.

A good harden-able steel is much stronger/better than titanium in every way, other than weight & corrosion resistance.

We can however have a steel TiN coated gear, (which is titanium nitride coated and nothing like actual titanium). The gold colored plating on the end of high(er) quality drill bit/milling cutters), which is just a coating. (carbide still trumps that easily).
If its not a good quality *steel* underneath the coating, (or if its not a coating i.e solid titanium) then solid steel is without a doubt the best. (brass / nickle / bronze / pot metal with TiN coating will not trump good steel. Not even close)

Look at the highest torque servos you can find and they will be steel geared.

Steel>titanium.
Titanium (lighter than) steel
TiN coated quality steel> steel.
Quality steel> crap steel/ other "metal" with TiN coating
TiN coated quality steel - best of all worlds.

I think people jump at buzzword titanium thinking its automatically better at everything. But its not.

(sorry to rant, been in the industrial tooling industry for 10+ years)

 

[84yoda]

Well good thing the 7955 aren't Ti gears. There coated from what john at holmes says."thumbsup"

 

[cloudswimmer]

Well good thing the 7955 aren't Ti gears. There coated from what john at holmes says."thumbsup"

Only reason I bought the 7955 ->TG<- Was because 4 or 5 years ago as a scale noob, a couple people here who's scalers I was in awe of were running em, and it was on sale at RPP, not because it was supposedly titanium. I didn't even take into considerstion what NZ was talking about with steel at the time, but yeah as a 25 year veteran of building 1:1 jeeps for So.Cal. rock crawling, the only thing I've ever had that was titanium was a drink holder :mrgreen: So then this 7955 is what .. titanium coated steel?