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Home✈️Aircraft🚁Helicoptere-AlignT-REX 450 › trex 450 feathering shaft versions?
05-06-2013 08:02 PM  6 years ago
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Toadster25

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Iowa

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trex 450 feathering shaft versions?
I have a trex 450se v2 and I don't know much about them and all the different versions. I bought some new feathering shafts and turns out they are longer than what is on it. Why? I also need new bearings in the blade grips so maybe I should just get new grips because I cant get the bearing out? If I get new version grips will the longer shafts fit?
thanks

Looking at pictures it looks like maybe the head block is wider. Is that the reason for longer feathering shaft?
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05-06-2013 09:10 PM  6 years ago
Heli 770

rrProfessor

USA.

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Toadster25

450SE and earlier 4x41mm.

450SE V2, 4x41mm. w/reduced ends (HS1251)

450 Pro/Sport/Sport V2 4x51mm.
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05-06-2013 09:48 PM  6 years ago
AWittleWabbit

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O.C., CA

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Looking at pictures it looks like maybe the head block is wider. Is that the reason for longer feathering shaft?
Yes, the sport head block is wider. It might be cheaper to find the whole Sport head in the classifieds. Just FYI, many Sport parts/assemblies will fit the SE v1/2. Especially the newer battery tray instead of the flimsy old metal/ carbon one.

Heli770 that's the most helpful thing I've seen on here in a while. Saved!
Heli-itis sufferer.
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05-07-2013 03:58 AM  6 years ago
Toadster25

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Iowa

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Thanks a lot that helps. I just make a run to the hobby store and see it says trex 450 on the package and looks like my shaft but when I get home I see its wrong. I also found the inside blade grip bearings are shot so I grabbed 4 new bearings and get home find out they are two different sizes so they don't fit. I found some plastic bushings laying around here from something I had in the past. Stuck those in and doubled the bearings on the outside and used the longer pro shafts I bought. Seems like it flys okay now but it is kind of a cobbled mess now but I kind of feel like this whole heli is already like this so why not add to it. There isn't much of this heli that is actually align it has micro heli parts all over it. I got it on trade and haven't ever really liked this thing but, oh we'll it flys.
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05-09-2013 11:52 PM  6 years ago
Toadster25

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Iowa

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Does anyone know if the pro head will fit on an old v2 SE trex 450. I'm thinking about replacing my whole head
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05-10-2013 01:39 AM  6 years ago
NQNA

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USA

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Here is a picture of the SE head and the Sport version.

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