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Ark › What blades for MX400?
03-07-2006 03:31 AM  11 years agoPost 1
mikefirstimer

Heliman

port st lucie, florida

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So I have about 5 flights on my MX400 now and had to replace the tail blades. Decided to upgrade to carbon fiber. Bought the Align's T-rex Tail blades cause the price was right. Now I want to upgrade the main blades to match. I noticed that the upgrade blaeds are 325mm, and every thing I read says the stock woodies are 280mm.

What are the advantages of running a longer blade? I am slowly progressing to the point with heli's that I can do mild 3D, and I dont want to buy a whole bunch of blades to find ones that will help me progress.

Crashing is OVER RATED

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03-07-2006 03:45 AM  11 years agoPost 2
Soniq7

Senior Heliman

Sacramento CA

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Try the Align 315 pros. Youll have to modify the grips to fit. Only $12 or so a set. I like the 325s, but am running the a longer Align boom.

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03-07-2006 11:55 AM  11 years agoPost 3
zo6

Senior Heliman

Ohio USA

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The MX spins the head faster than the Trex. I would stick with the Align 315's that actually measure 305mm. The Align Pros are very good but the gray/yellow ones are difficult to see. There are black/white and red/white Pros coming soon. Heli-Proz have some 305 CF's that work well. I use fender washers for spacer to make em fight.

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03-07-2006 12:40 PM  11 years agoPost 4
jrohland

Heliman

Arlington, Virginia, US

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I agree the Align 315s are nice

Since the Helimax/Ark woodies are hard to find, I switched to the Align 315 (white fiber).

They are tough, inexpensive and available. Qualities I like, alot. The flight characteristics are interesting. One thing I noticed is, there is almost no progressive lift. Once the head speed is up, as soon as the blade angle of attact reaches the lift point, the heli jumps into the air. Not a big deal, just be prepared for it.

jrohland

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03-07-2006 01:28 PM  11 years agoPost 5
Pierre

Senior Heliman

eton, Berkshire, or surrey, UK

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i go for 325's carbon fibre form
http://www.tedani.com
therye cheap and they are very very good for 3d (also adds alot of power and they look SWEET!

thanks,
pierre

Wat idiot planted that dam tree THERE!!

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03-07-2006 11:40 PM  11 years agoPost 6
mikefirstimer

Heliman

port st lucie, florida

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so it sounds like you guy's like the TRex blades for this thing. Sounds like I will have to "make em fit". as long as they work good, I dont care. thanx for the input. the best part is my lhs has parts support for the TRex, and the MX. But, the trex parts are much cheaper.

I'll keep ya posted on the worthieness of these blades as soon as i get em.

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03-07-2006 11:44 PM  11 years agoPost 7
Squirrlybird

Veteran

Suffolk, Va US

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Trex blade grips will fit the x400 if you can't find any spacers for the stock grips.

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03-07-2006 11:45 PM  11 years agoPost 8
Squirrlybird

Veteran

Suffolk, Va US

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Has anyone tried 325s with the short boom?

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03-08-2006 12:24 AM  11 years agoPost 9
ecosse2253

Senior Heliman

n.ireland

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If you want the untimate blade go for the sab 315

www.westonuk.co.uk compass field rep uk and ireland

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03-08-2006 01:50 AM  11 years agoPost 10
skeppley

Veteran

Auburn PA

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I use the Sab 305's, the Align Carbon Fiber 315's(HS1110), and the 315 Pro's(HS1141). All work very good. For the low price, the Pro's are a steal. Here's the link of where to get them:
http://www.grandrc.com/t_rex_blades

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03-08-2006 01:55 AM  11 years agoPost 11
skeppley

Veteran

Auburn PA

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Squirrlybird, there was a guy on RCgroups using the 325's with the short boom, he's now missing some tail blades from a little blade crunchin!
I tried the 325's when i was running the short boom, and the torque was too much for the short tail to hold in hard climbs, not to mention the possibility of the main and tail hitting in the air always flashing through my mind.....

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03-12-2006 04:42 PM  11 years agoPost 12
mikefirstimer

Heliman

port st lucie, florida

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well, i was wrong about the lhs haveing my stuff. over the phone, "yeah, I got that." show up on satarday, and no heli's to be found anywhere. so i make the drive to http://www.southeastrc.com, about an hour and a half, and picked up some t-rex 315 woodies, and some 315 carbonfibers. took the plastic pieces off the mx blades and installed em on the align blades, perfect fit. but what do i do when i put on the carbon fiber blades. I bought some washers, but there is so much space to make up for. any one got pics of what they did to make up for the difference properly? thanx.


I havent yet had a chance to fly yet. the winds are a steady 15 with gusts to 20-25.. I'll keep it posted on how they do when the winds permit.

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03-12-2006 06:20 PM  11 years agoPost 13
RSteel

Heliman

Sacramento, Ca.

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Helimax 325 CF Blades

I saw on Tower Hobbies that Himax is coming out with a 325mm CF blade set 49.95 US by Mid March....soon I hope

Also, a longer CF boom, belt and Control Rod.

The hole kit Blades, Boom, belt and Control Rod will cost 84.99.

Hope this helps,

Ray

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03-13-2006 01:36 AM  11 years agoPost 14
mikefirstimer

Heliman

port st lucie, florida

My Posts: All  Forum  Topic

ok, so i had a chance to fly two batteries in succesion tonight at just berfore dusk. man did i get some good pics. i'll upload tomorow when its free.

now on to the blades. the align 315mm woodies are impressive. seems like an almost identical head speed, the tail still has good authority (although not as good as the stock baldes), and very generous amounts of lift. on a full collective climbout, with the little 2500kv motor, i was extreamly impressed with the rate of climb, but there wasnt enough tail authority to keep it pointed in 1 direction, it spiraled.

all that said, i still would prefer the stock woodies to these blades. they are good blades, dont get me wrong, but I don't think they are right for this bird. they are just to big. mabey an upgeade to a higher kv motor and a longer tailboom, and you would have quite the impressive setup.

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