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Old 08-17-2004, 12:07 PM   #1
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Default t4 and b4 servo

what is a good servo for my T4 and B4..will be switching back and forth between them. Mostly racing, but some backyard fun as well!
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Old 08-17-2004, 12:33 PM   #2
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I use an Airtronics 94357 in both my BK2 and MF2, so it will be a perfect choice for your cars.
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Old 08-17-2004, 01:06 PM   #3
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You can actually get two good servos for the price of one excellent servo. I use the Futaba 9404 i my T4.... But if i would to do it over again, I would have just bought another Hitec HS5925 digiatal servo, it was only 60 bucks, and give s 120oz/in and a .09 transit time...
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Old 08-17-2004, 04:19 PM   #4
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I would purchase the best servo you can afford. The truck will need a high torque servo and the buggy will need a fast servo. I use Futaba 9350 servo's in everything I own and have been very happy. I am not going to bash other brands but I have tried them ALL.
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Old 08-18-2004, 07:23 AM   #5
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I use a 925MG servo ( older model, not digital ) and have no complaints. Lots of torque ( 100+ I believe ) and .08 transit time.
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Old 08-20-2004, 12:59 AM   #6
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We had been running the Hitec 625 and 645, both metal gears. But they wouldn't take the abuse at our off road track, so we switched all our T4's and the B4 to JR z590.

It's about 40 bucks. Been running them for about 6 months now and none have failed. We race about once a week and practice or bash at least a few other times during the week.

At this point in our racing the servo isn't what is keeping us from winning races so I haven't invested in more expensive ones yet.
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Old 08-21-2004, 11:51 AM   #7
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What Aaron said, I use 357's in buggy and truck.. nothin better IMO.
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Old 08-21-2004, 01:33 PM   #8
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Make sure you get a quick transit time. The spec on the JR 590 look good but it is a slow servo. The Airtronics servo is a good choice. The 357.
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Old 08-22-2004, 02:39 PM   #9
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Yeah you're right the 94357 is a great servo but it's also 80.00 more than the Z590.

It's about $120.00 (US)
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Old 08-23-2004, 03:40 AM   #10
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Airtronics also overrate their servos like ofna overrates engines, so the same general rules apply - you can't really compare servo specs over different brands, only over different servos within the same brand.

I think the best performance figures for servos come from trying and comparing them yourself, and the best lifetime figures come either the same way, or talking to people about their experiences.

My personal choice is Futaba. I run a 9350 on 1/8 buggy steering, but that's probably way overkill for the eleccys. The Z590 sounds decent for the price, or if you want something superfast, and still at a reasonable price, Futaba 9451 digitals are pretty sweet too. ($70-80)

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Old 08-23-2004, 08:43 AM   #11
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Do you have proof that Airtronics over-rates their servos? And that OFNA is the only one that over-rates their engines?

Performance numbers will always reflect the best results after a significant number of tests. At 6.0 total volts, a servo will probably live up to every speed and torque number given to them by the manufacturer, but no servo in a car will ever recieve 6 volts, because one 6 volt battery pack is powering two servos and a reciever. Airtronics servos have been proven time and again as the choice of the biggest names in the industry and have never been considered "over-rated".
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Old 08-23-2004, 04:42 PM   #12
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I have a jr z590 (came with my xs-3) and will start out with it..going to put my electronics in tonight...and hopefully go run it this weekend.
Thanks for the info everyone...looks like I had what i needed all along
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