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02-08-2006 02:12 AM  12 years agoPost 1
GyroRon

rrApprentice

Fort Mill South Carolina

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What is the differnce between the 401 and the 240? Is the 401 a better gyro and why?

What other choices are there for a gyro that is not any more expensive than the 401?

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02-08-2006 02:15 AM  12 years agoPost 2
AGRAV8

rrProfessor

Mosquito Coast......Houston Texas

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selection
401 has ability to be HH or rate mode via transmitter. SEEMS to hold better too.

JR 500T gyro is comparable. Not necessarily better.

I know its $$$$$$$, but pay once, cry once. Get a quote from Ricks...they have 'em at a good price, and you can call other retailers for a price quote as well.

Gee, even Tower has a promotion I read on RR yesterday.....

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02-08-2006 03:18 AM  12 years agoPost 3
Thomas L Erb

rrKey Veteran

Alliance ohio

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The 401 is a dual rate gyro you can set it to hh or normal or 2 hh with different gain settings. 240 is a single rate version. I think it is best bang for the buck Tom

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02-08-2006 03:34 AM  12 years agoPost 4
300wby

rrVeteran

Columbia City, Indiana

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Doesnt the 401 also run at twice the frame rate of the 240? I am pretty sure it does.

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02-08-2006 03:41 AM  12 years agoPost 5
spaceman spiff

rrKey Veteran

Tucson

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I've treid the JR 460. It worked with a littel tweeking, but not nearly as well as the 401.

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02-08-2006 09:33 AM  12 years agoPost 6
Drunk Monk

rrProfessor

Preston, UK

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The 240 doesn't have a limit pot, it has to be set up mechanically, frame rate of the 240 is 70Hz and the 401 is 250Hz (or something like that) so doesn't benefit from digital servo support. The 401 is the better of the 2.

As for other choices, suppose it depends on what you are going to put it on.


Stephen

I only open my mouth to change feet.....

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02-08-2006 10:01 AM  12 years agoPost 7
SkateFreak

rrElite Veteran

Cambs UK

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Thats intresting actually as i'm running a 401 at the moment and need to look into another gyro...
Now i also want to run my throttle jockys but cant with the 401 on a 6 channel.
How well will the 240 hold in an R30/R50?
I'm just warey that it wont hold a well...

-Jvr

Non-3D heli pilots are planker spys trying to bring down the heli community from the inside - Topher

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02-08-2006 12:34 PM  12 years agoPost 8
zoom boy

rrKey Veteran

N.E. Lincolnshire UK

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Cant you run the throttle jockey in manual mode???

It should have a gain pot on it to set the headspeed when you do it that way, that also means you dont need a 7th channel.

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02-08-2006 01:15 PM  12 years agoPost 9
Rcer22

rrVeteran

Somewhere In The Adirondack Mountains

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The 401 doesn't have a limit pot
If it don't have a limit pot then what is that pot on it that says limit for?

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02-08-2006 01:23 PM  12 years agoPost 10
Drunk Monk

rrProfessor

Preston, UK

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oops, my bad, meant 240 doesn't have a limit pot, only gain pot


Stephen

I only open my mouth to change feet.....

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02-08-2006 11:16 PM  12 years agoPost 11
GyroRon

rrApprentice

Fort Mill South Carolina

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Thanks for the input guys.

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02-09-2006 04:39 AM  12 years agoPost 12
Thomas L Erb

rrKey Veteran

Alliance ohio

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Jvr i have never used a throttle jocky but you can run the 401 manually using the gain pot on the sensor. could your tj use channel 5? just a thought. Tom

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02-09-2006 05:41 AM  12 years agoPost 13
TMoore

rrMaster

Cookeville, TN

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Unless I've missed something the 401 is a remote gain gyro only.

TM

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02-09-2006 01:33 PM  12 years agoPost 14
Eury

rrProfessor

Dover NH

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Nope, you haven't missed anything, the 401 is remote gain only, there is no gain pot on it.

Nick Crego

Citizen #0168

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02-09-2006 02:08 PM  12 years agoPost 15
BarracudaHockey

rrMaster

Jacksonville FL

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Not only is it remote gain only but there HAS to be a signal on that single wire to initialize correctly, otherwise it will just sit there and blink.

Andy
AMA 77227
http://www.jaxrc.com

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02-09-2006 02:22 PM  12 years agoPost 16
tchavei

rrProfessor

Portugal

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Hmmm where is the page that explained how to convert a 240 to a 401 with just 1 or 2 components?

Seems they are very similar in construction just with some features disabled. Same applies to the old 502 that could be easily converted to a 601.

Cheers
Tony


--------------------
"Perfection and patience usually walk side by side..."

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02-09-2006 02:59 PM  12 years agoPost 17
SkateFreak

rrElite Veteran

Cambs UK

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Hey,
Yeah there isnt a manual pot on the 401 *sighs*.
Although i have head some ideas about running the TJ without using the channel...

I think i might just wait untill i get a 9C or maybe go back and try the CSM200 lol.
See how well that holds, am only doing circuts, nose in and FFF etc, nothing do demanding tho

-Jvr

Non-3D heli pilots are planker spys trying to bring down the heli community from the inside - Topher

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02-09-2006 04:27 PM  12 years agoPost 18
AlabamaRaptor

rrApprentice

Millbrook, AL (Montgomery area)

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GY401 Special
HeliProz has the GY401 w/ the 9254 servo for $189.19

HeliProz GY401 Special


Raptor Titan 50 -- OS .50 Hyper -- Futaba 7C 2.4GHz

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02-09-2006 08:06 PM  12 years agoPost 19
gullie667

rrVeteran

Brooklyn, NY

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The bigest difference in my mind is the 401's digital servo mode. I never use the non HH mode and am not sure why anyone would.

Digital Servos on the tial make a huge difference. That is also why someone remarked that the 401 holds better. It should hold the same if a non digital servo is used.

Gullie

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02-10-2006 12:18 AM  12 years agoPost 20
zoom boy

rrKey Veteran

N.E. Lincolnshire UK

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otherwise it will just sit there and blink.
Sounds like some people I know

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