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HS-225 servos in FF .46

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Old 05-16-2003, 12:43 AM
  #1  
jldecarlo
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Default HS-225 servos in FF .46

Are the HS-225 (with or without MG's) strong enough for a .46 FF? Probably a Sledge, but I may just build another OMP edge. Will put a strong .46-.50 two stroke in it.

Leonard
Old 05-16-2003, 12:51 AM
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John Wells
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Default HS-225 servos in FF .46

Yup, I've been using them in 40 size FF models for a long time.

JW
Old 05-16-2003, 02:09 AM
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BotleRocketWar
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Default HS-225 servos in FF .46

I won't touch a Hitec servo with a ten foot pole, but they seem to be popular with everyone else!

The Metal Geared version seem like good little servos, even though there seems to be some extra slop after about a year of use. Most of the plastic gear 225's seem to strip out pretty easily.

If you want a small, light, and quick servo the 225's are probably your best value...At least the MG version.
Old 05-16-2003, 02:18 AM
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Spaceman Spiff
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Default HS-225 servos in FF .46

I don't have alot of time on mine, but i just love em. Have them on 4 planes now. no problems, fast, strong, good centering...
Old 05-16-2003, 02:36 AM
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jsonin
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Default HS-225 servos in FF .46

I've run 225 MG servos in many 40-size planes such as Morris profiles, a Cougar 2000k, Hanger9 Ultra Sticks, etc. with no problems. They're fine little servos for 25 dollars. The only blemish on these mighty micros is the centering; it's fine, but not completely exact.

Yours,
Juhan
Old 05-16-2003, 05:20 AM
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krazyflyer
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Default HS-225 servos in FF .46

I am building a Seduction Funfly powered by an OS 46 FX. I have previously used HS-225MG on the ailerons for a similar plane. Would these be sufficient for elevator and rudder control. I ask because I am given to understand that on the rudder, one needs hi torque servos.

Juhan have you used the HS225s on the rudder of your Morris profiles.

Thanks and cheers
Old 05-16-2003, 10:50 AM
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jsonin
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Default HS-225 servos in FF .46

Yes, I have used 225s on the rudder on Morris planes and they work just fine... but I've migrated to using hitec 605s (plastic gear, hi toruque)... but just for the rudder.

-Juhan
Old 05-16-2003, 11:23 AM
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Kevins_RC
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Default Lost 40-Size Fun-Flys w/ 225s

Guys - Obviously, I am much tougher on my servos than allot of you guys. I can not run the Hitec 225s (nylon or MG) on my 40-size Fun-Flys. I've lost a few aircraft trying to use these servos on my 40-size Fun-Flys. I recently lost a nylon gear set on a 225 being used on the throttle of a 32" WS PQHOR!
Would I use the 225s on an elevator or rudder of a 40-size Fun-Fly? NOT NO, BUT H#LL NO! I can't get away with using the 225 nylon version on the throttle! I am using MG versions on my Awe-HORs for ailerons and throttle now.
I guess is really boils down to how tough you are on your servos - I like to exercise them! - ALLOT!
Kevin
Old 05-16-2003, 12:03 PM
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BenWillis
 
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Default HS-225 servos in FF .46

My DP Ultimate went in last weekend. Light damage to the vert stab. During repair and post crash hardware repair I found that the HS-225 that I was using on the rudder was toast. All other servos survived unscathed. I think I will stick to Futaba from now on.

Ben in SC
Old 05-16-2003, 01:26 PM
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Spaceman Spiff
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Default HS-225 servos in FF .46

Ben, I crashed a plane a few months ago that had JRs, 3 of them broke including the one on throttle. Does this mean i should switch to Futaba too?
Old 05-16-2003, 01:41 PM
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m.gramling
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Default HS-225 servos in FF .46

Not to bash the 225s. But even thought they seem to have a lot of torgue for a small servo. Their gears are so tiny.

I stripped one that was on the rudder of my 40size topcap ARf. the plane was setting in the pitts. I pushed the plane backwards from the canopy to move it, and it stripped the rudder servo.

These servos have small gear trains on them, and can't take much abuse.

There is no way in the world I would put a Hitec 225 Mg or nylon on a plane that I do tail touches with. But to me they work great on a throttle.
Old 05-16-2003, 02:21 PM
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BenWillis
 
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Default HS-225 servos in FF .46

It sure does!!! Futabas DONT break

Seriously though, this the first time I had strayed from Fut. Just my luck I guess.

Ben in SC
Old 05-16-2003, 03:04 PM
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jldecarlo
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Default HS-225 servos in FF .46

It's more money, but has anybody used the Hitec mini digitals (I forget the model number)?

Leonard
Old 05-16-2003, 03:24 PM
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Spaceman Spiff
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Default HS-225 servos in FF .46

I tried one of the mini digitals. Other than the digital sound, i can't tell the difference in performance to the 225 MG. Haven't taken it apart so i don't know if it has bigger gears.


Better luck to ya Ben.
Old 05-16-2003, 04:42 PM
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daven
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Default HS-225 servos in FF .46

I've tried the digital hitec minis, and use them as a aileron servo on my racing planes. Only improvement that I see over the 225 is better centering, and slightly noticeble speed increase.
Old 05-16-2003, 05:02 PM
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jsonin
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Default HS-225 servos in FF .46

If you're being very careful about weight and need a small, powerful servo, the Hitec 225 MGs are pretty good for 25 dollars. The nylon versions will strip easily even on 25-size Pen Knives - I've stripped the nylon gears on aileron, elevator, and rudder servos. There's no question there... go with metal gears.

These are small servos and they have tiny gears. Expect them to strip if you bash your rudder on the ground during a tail touch, etc. Futaba, JR, or any other servo type will do the same thing (in that size range). Just choose your application carefully. If you need durability, these servos won't be the best choice (as Kevin rightly mentions).

I currently use the 225s in a Cougar 2000 fun-fly and it's great. I can perform nose over tail loops just feet from the ground with the ailerons/flaperons and elevator pegged without any give/slop... same goes for flats, tail slides, harriers, etc.

It all depends on your flying style, the application, weight goals, etc.

-Juhan
Old 05-17-2003, 12:24 AM
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GarySS
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Default HS-225 servos in FF .46

What Futaba? 3003's?
Old 05-17-2003, 12:53 AM
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Default HS-225 servos in FF .46

225 Servo: I had one fail as a throttle servo on a 1/4 scale gasser. Although I use different Hitech servos on other I can't see myself ever using the 225 servo as anything other than a paperweight.
Old 05-17-2003, 03:42 AM
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bgi
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Default HS-225 servos in FF .46

Originally posted by BenWillis
I think I will stick to Futaba from now on.

Ben in SC
Kinda harsh to rule out all Hitec servos because a wimpy servo toasted itself in a crash. The 225's are NOT ROBUST servos. They are not designed for 40 sized funflys with extreme throws.

The geartrain cannot stand much abuse.

The start-up torque is under spec (prove it to yourself by holding the arm and activating it. They're weaker on startup than a 425BB).

Centering is poor.

I like Hitec servos. I just happen to have a couple 225MG's that I'm afraid to install in a plane. I may put them in a 40 sport flyer - not a 3D plane. I tested them for some time on the bench trying to convince myself that I didn't waste $70. It was a sad day.
Old 05-17-2003, 05:45 PM
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George E.
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Default HS-225 servos in FF .46

I have the 225MG in the tail of a Goldberg Extreme and they work fine but don't center too well. They are not a great servo for $30.

Try the Futaba standard BB servo, they center better than the 225, have stronger gears and the torque comes on quicker. The downside is they are a little slower and weigh .20z more.

Better yet try the Tower t-69, it's a futaba 148 with ball bearings for $14 (the specs in the Tower chart are wrong).

For $30 the Hitec 525's are quick and center well

If you want to spend more the sky is the limit.
Old 05-17-2003, 09:36 PM
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jldecarlo
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Default HS-225 servos in FF .46

Do the Hitec mini digitals have the same gear set (and strength) as the 225's?

Leonard
Old 05-17-2003, 10:42 PM
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Kevins_RC
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Default Do Yourself a Favor

And just stay away from mini servos for a 40-size Fun-Fly. They are minis - therefore the gear sets are small. Only use these on the throttle for this size and type of aircraft.
Kevin
Old 05-17-2003, 11:46 PM
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3Dreaming
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Default Servos

The Hitec mini digitals and the 225's use the same gear set. In 4 years of using 225's I never had a failure, but I did lose a gear on one of the mini digitals. My view on this is a little different than most. Going with the mini servos is a compromise, just like we make compromises in which airplane to build to suite your needs. For me the 3-4 ounces that can be saved is worth using these servos. If I thought I could get by with something lighter I would. Just like my light weight airplanes that are fragile, but so much fun to fly. Tom
Old 05-18-2003, 12:35 AM
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jldecarlo
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Default HS-225 servos in FF .46

I think I will go for minis on the ailerons and throttle. The ailerons are redundant anyway, and I can use the more substantial servos on the elev/rudder.

Leonard

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