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HomeAircraftHelicopterMain Discussion › Gyros
10-14-2005 05:02 PM  12 years agoPost 21
adheli

rrNovice

wigan lancs

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RotarSoft
Thanks Rotarsoft
for your advice i dont Know how the post got to pulse rates and buying new gyros the reason for the post was to deside which gyro to sell with my sceado and which to keep for my vario sky fox and future use.
I will keep my CSM SL560 by the way the gyro was the JR 460T the little silver one
THANKS TO YOU ALL FOR THE HELP

REGARDS adheli

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10-14-2005 05:45 PM  12 years agoPost 22
RotarSoft

rrVeteran

St Leonards On Sea UK

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Adheli,

No worries. Glad to help!

Cheers

Mark

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10-14-2005 06:24 PM  12 years agoPost 23
Eco8gator

rrElite Veteran

Palm Beach, FL

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Hello

I have a JR500T with an 8700G and it seems to hold better and have a better piro rate than any of my 401's.

Also its easier to use than the CSM 560 which in my opinion was a big pain in the ass. I wish CSM would make an idiot mode(basically why a lot of people enjoy the Futaba line of gyros and most recently the JR line with the 500T... basically plug and play in comparison to the CSM) for all those who dont want to mess with a bunch of settings.

Carlo

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10-14-2005 06:57 PM  12 years agoPost 24
zoom boy

rrKey Veteran

N.E. Lincolnshire UK

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Well I was just explaining why sometimes you actually have to use subtrim to get the pulse length to be 1.5ms at centre stick, because someone was being a bit twatish, trying to take this piss when they are ignorant of the facts.

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10-14-2005 07:37 PM  12 years agoPost 25
Yug

rrMaster

UK. Herts

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560 V4 is an excellent gyro. Holds the tail well fast backwards and side loops etc. My only real complaint is a wee bit of temperature drift. Its also dead easy to setup ans has a straight forward PC setup utility.
Another aspect is that it tends to be a bit more conservative on power consumption when compared to futaba.

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10-14-2005 09:58 PM  12 years agoPost 26
Russ Delaney

rrApprentice

Ashbocking, Suffolk, UK

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Gyro
JR without a doubt.

Russ

Team Quick UK Pilot 20

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10-14-2005 10:35 PM  12 years agoPost 27
Salty

rrElite Veteran

St. Augustine

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Never used a Futaba 401 but have seen these fail and heard to many horror storys about them
thats why there are more 401's out there than any other gyro! yes in the early days a few 401's had hard over problems... they seem to have gotten that ironed out....hmmmm letsee I have 12 401's 2 502's, and 3 601's (no 611's yet) needless to say I'm a futaba gyro guy and never had a lick of problems from them...

Ask your Doctor if getting off your ass is right for you.

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10-15-2005 12:43 AM  12 years agoPost 28
the collective

rrKey Veteran

Bayside, NY, U.S.A

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The JR 490T, CSM 560, and Futaba 401 are all very similiar in terms of performance as they basically use the same sensors.
I could be mistaken on this, but I'm pretty sure that while the JR 490t and the Futaba 401 both use silicon (smm) sensors, the CSM 560 micro still uses a piezo sensor. CSM's new 720 will use a silicon sensor from what I've heard about it.

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10-15-2005 01:34 AM  12 years agoPost 29
Yug

rrMaster

UK. Herts

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I've been using 560s until a couple of months ago when I received a prototype of the 720. WOW, its superb and holds the tail like you wouldn't believe. My main gripe with the 560 was the temp drift problem; I did a number of experiments on this and found it to be very iffy between 20 and 30 degrees C. I ended up going through the routine of flying for a minute to stabalise the temperature, land, switch off & on to recalibrate and restart. Often though, I would not wast time with this and just trim out the drift.
The 720 changed all this as it uses the Analog Devices MIMS element as opposed to the Murata element. The AD part is temperature compensated, the Murata isn't. The 720 has this way of giving you tremendous confidence in fast backwards manouvers while allowing smooth piros in whatever you are doing, and, there is no drift. Mounting is of course allways an issue whatever gyro you are using. I might even replace my 601 in the my 90 with the 720, it's that good.

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