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hi tec 645 servos

hi tec 645 servos

Old 09-20-2008, 03:44 PM
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Default hi tec 645 servos

is a hi tec 645 a good servo for a truggy on both the throttle and steering? i got a couple for my crt and they dont seem that great. would they be ok for a buggy if they are not good for a truggy. ive been having troubles with servos, radio, etc. these problems are driving me nuts. they are about to push me out of the 1/8 scale scene. any help would really be appreciated. thanks in advance.
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Old 09-20-2008, 03:52 PM
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i use jr servos. The ones i have for my crt are both 142oz.

Wat radio r u using?
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Old 09-20-2008, 04:19 PM
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If you can't afford anything stronger they are great, lasted 3 times longer than my jr's of equal strengh. I now use a Hi-Tec with 330oz of torque for my steering and a Jr9000 for my throttle
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Old 09-20-2008, 05:25 PM
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Spend big on your electronics and you'll never look back....imo its 1 portion of this hobby that gets overlooked way too often when new guys are starting out...Unless there around racer's or tracks...then they ushally have first have knowledge of how important good servos/radio's are.
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Old 09-20-2008, 06:14 PM
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The only way I have ever had a Hitec 645mg servo last in a racing environment is to make sure the servo saver is set kinda on the loose side and to make 110% sure my endpoints are set correctly so the servo isn't trying to extend past the range of bellcrank movement.......

Man that was a long sentence....lol
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Old 09-20-2008, 06:33 PM
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I know this isnt the answer your looking for,but no they wont work. At least for very long.And they are VVVVVVEEEEEEEERRRRRYYYYYY SSSSSSSSLLLLLLLOOOOOOWWWW.


Ive tried evervy single cheap servo i could find hitec JR Futaba Cirrus Specktrum...ETC

After spending will over 150.00 on cheap servos I finally ponyed up the cash on the 5955,s and kept a couple cheapys for back up needless to say I never used them.......Wait once I had to,I plugged my rec. batt in backwards and fried the boards on them.Totally my fault and I sent them back to Hitec and they fixed them for free..Even told them the truth...Hitec has the best customer service bar none
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Old 09-20-2008, 07:12 PM
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they will work ok for throttle brake duty, but not for steering. They are more of a 1/10th scale steering servo. GO big for any 1/8 steering, 5955, 7955 9000 etc. Digital servos are always stronger and faster then the analog versions, but might have more complications (amplifier or something).
HTH
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Old 09-20-2008, 08:22 PM
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thanks for the replies. even though they arent really what i wanted to here but in away they are. im using the old dx2 radio. i guess ive got this winter to get a good radio and servos. im looking at a m11 or a dx3r. just undecided which radio. leaning towards a dx3r though.

so the 645s are good for the throttle and brakes? and the hi tec 5955 is what i should get for the steering?

one more question. would i be happier keeping the truggy or turning it into a buggy?
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Old 09-20-2008, 11:34 PM
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5955 is SUPER for steering.
I have used a 645 for throttle/brakes in my Revo, and in a truggy on short notice. It is better to get one a little faster or stronger, or both for throttle, but it will do until you can afford a better one.
If oyu are going to transform a truggy into a buggy, that is EXPENSIVE, better off selling the truggy and buying a buggy if that is the case.
Most guys like truggy better, it is very fast, very easy to drive, and is much more stable. I prefer buggy myself. You can find used buggies for a fairly good price on here, as well as other forums, and if you son't like it, you can usually get close to what you paid for back out of it.
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Old 09-21-2008, 12:28 AM
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thanks gater
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Old 09-21-2008, 10:41 AM
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I use them for throttle brake on buggy and truggy. For truggy steering they will not last too long and are slow because of the bigger tires. They will last pretty good on a buggy though IMO. I stepped up and got the 5955 for steering and do not have to worry any more. Well worth the money.
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Old 09-24-2008, 03:01 AM
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it seems as if the 5955 got replaced by the 7955. is that correct? if not will the 7955 work?

thanks for the help guys. i just started racing off road and im lost and have had nothing but problems. thanks again for the help.
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Old 09-24-2008, 04:49 AM
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The 7955 will be just fine. The 7955 is just a newer model of the 5955. But I personally would recommend JR9100T servos, they are 0.15 and have something like 370oz of tourqe.

But in saying that, but what u can afford
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Old 09-24-2008, 06:57 AM
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Only reason I stopped running JR was that moisture tends to get inside the cases on them. The Hitecs are water resistant and I am sort of lazy and like to hose my car down without taking everything off and never had a problem since I switched over to hitec.

BTW yes the 7955 replaced the 5955 but if you can find a 5955 get it. Its quite a bit cheaper in some areas. 333oz. is sort of overkill anyways LOL! But at least you do not go through servos
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Old 09-26-2008, 04:33 AM
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what i can afford is the 645s i got. im wanting the new mbx6, i need a new radio(dx3r), and i would want a good servo for the mbx6 and my crt. i might be happy a grand later. thanks again for the info.
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