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Helicentrik · 08-11-2010, 01:16 PM

I'm leaving this heli as stock as poss, (Trex 600 ESP is main heli.) Will the GY401 with a 9650 work or do I need something a bit beefier. I've noticed the GY520 is now at a lower price in the UK.

Mikej · 08-11-2010, 02:59 PM

Quote:

Originally Posted by Helicentrik

I'm leaving this heli as stock as poss, (Trex 600 ESP is main heli.) Will the GY401 with a 9650 work or do I need something a bit beefier. I've noticed the GY520 is now at a lower price in the UK.

The GY401 will be fine, but you really need a bigger tail servo if possible - the 9650 is usually used on the tail of 450 size helis. The Hyperion Atlas DS20GMD is a really nice affordable option

Epoweredrc · 08-11-2010, 03:09 PM

Quote:

Originally Posted by Mikej

The GY402 will be fine, but you really need a bigger tail servo if possible - the 9650 is usually used on the tail of 450 size helis. The Hyperion Atlas DS20GMD is a really nice affordable option

yeah i was going to get a hyperon DS20GMD but got this futaba 9253 hope it works well for me.

Helicentrik · 08-12-2010, 02:23 AM

Thanks Mike I take it you mean the 401. Any I Idea what Futaba servo would be good.

Mikej · 08-12-2010, 03:10 AM

Quote:

Originally Posted by Helicentrik

Thanks Mike I take it you mean the 401. Any I Idea what Futaba servo would be good.

Whoops - sorry, corrected. I don't have personal experience of them, but the 9254 is often sold with the 401 as a bundle and is designed as a tail servo - fast (0.06 for 60 degrees) and strong, but only runs at 4.8V (Futaba recommendation) - but if it is that fast at 4.8V no problem - just put a voltage step-down in-line. It's not their latest servo, but people have been using them for ages with good success.

ukgroucho · 08-12-2010, 05:56 AM

I use Fut S9254s on my 550 (originally with a 401, now with a Spartan DS760) and on my 425 (BeastX FBL controller).

They are fast and strong, tail holds very well. 550 runs 5v, 425 runs 6v with a step down.

Helicentrik · 08-12-2010, 11:21 AM

Thanks lads I'll check that one out.

Helicentrik · 08-15-2010, 04:19 AM

Went with the DS520 in the end £33 from Fast lad. If it works ok on the Trex 500 then it should be ok on this model.

Brick · 08-27-2010, 10:31 PM

i have a GY401 / 9257 setup on my T500......solid for me

i have a 425 kit i'm starting on, planning on same tail setup

i tweek till it's right....then it works !!!

GhostRider32 · 09-11-2010, 11:44 PM

I run the Quark and Hyperion DS20GMD on my 550 and it hold rock solid. I tried the cheaper route and couldn't believe the difference the quark makes.

racer75 · 10-11-2010, 06:14 PM

Hi,
i use the futaba gy520 with a Graupner ( JR ) DES808......and it rocks.

joliecoeur13 · 10-14-2010, 08:45 PM

Well I got a GP780 with a Hyperion 20gmd or something, I only have about 6 flight on this and still dealing with a bit of tail wag , but it holds good

I may try to isolate it more with another layer of something...

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08-11-2010, 01:16 PM	#21 (permalink)
Helicentrik Registered Users My HF Map location Join Date: Sep 2006	I'm leaving this heli as stock as poss, (Trex 600 ESP is main heli.) Will the GY401 with a 9650 work or do I need something a bit beefier. I've noticed the GY520 is now at a lower price in the UK.

08-12-2010, 02:23 AM	#24 (permalink)
Helicentrik Registered Users My HF Map location Join Date: Sep 2006	Thanks Mike I take it you mean the 401. Any I Idea what Futaba servo would be good.

08-12-2010, 05:56 AM	#26 (permalink)
ukgroucho Registered Users Join Date: Oct 2005	I use Fut S9254s on my 550 (originally with a 401, now with a Spartan DS760) and on my 425 (BeastX FBL controller). They are fast and strong, tail holds very well. 550 runs 5v, 425 runs 6v with a step down.

08-12-2010, 11:21 AM	#27 (permalink)
Helicentrik Registered Users My HF Map location Join Date: Sep 2006	Thanks lads I'll check that one out.

08-15-2010, 04:19 AM	#28 (permalink)
Helicentrik Registered Users My HF Map location Join Date: Sep 2006	Went with the DS520 in the end £33 from Fast lad. If it works ok on the Trex 500 then it should be ok on this model.

08-27-2010, 10:31 PM	#29 (permalink)
Brick Registered Users Join Date: Dec 2007 Location: N.Carolina	i have a GY401 / 9257 setup on my T500......solid for me i have a 425 kit i'm starting on, planning on same tail setup i tweek till it's right....then it works !!!

09-11-2010, 11:44 PM	#30 (permalink)
GhostRider32 Registered Users Join Date: Jun 2010	I run the Quark and Hyperion DS20GMD on my 550 and it hold rock solid. I tried the cheaper route and couldn't believe the difference the quark makes.

10-11-2010, 06:14 PM	#31 (permalink)
racer75 Registered Users Join Date: Feb 2010	Hi, i use the futaba gy520 with a Graupner ( JR ) DES808......and it rocks.

10-14-2010, 08:45 PM	#32 (permalink)
joliecoeur13 Registered Users Join Date: Feb 2010	Well I got a GP780 with a Hyperion 20gmd or something, I only have about 6 flight on this and still dealing with a bit of tail wag , but it holds good I may try to isolate it more with another layer of something...

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