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Old 07-06-2015, 01:43 PM   #1 (permalink)
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Default Scale AS355

Hi,

Originally posted this in electrics but thought it might fit here better

Many years ago I started a project that was a large electric AS355. This was before electric was all the rage so one basically set out on their own. I got the heli flying on 32 3AH full C cells. It would hover for about 5 minutes or so with some reserve. When LiPos that were up to the task became available, I switched over to a 12S 4.4AH pack. Shortly after that I shelved the project and just flew my nitro birds. Well I decided to pull it out today and give it a go and it flew fine. I think I might now try and get it finished up. I threw some pictures from when I was first working on it up on my site. The page isn't pretty but does show the AS355 and what I did. If I ever do get to really wanting to fly it around, I might add an FBL gyro, but for the simple scale like flying it is fine as it is. Hope you find it interesting.

Joel

http://dabbles-n-doodads.com/RC/Twin%20Squirrel.html
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Old 07-07-2015, 04:13 PM   #2 (permalink)
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Joel, this looks like a project you need to finish.

it looks good and when completed should be a fine looking heli.
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Old 07-07-2015, 09:17 PM   #3 (permalink)
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Yes I do. My biggest issue is I lost the rear panel in a move. I suppose it really shouldn't be to hard duplicate. Also need to decide if I want to replace the Newtor motor though it seems to run well. I'll post updates if I get to it.

Joel
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Old 07-08-2015, 06:10 AM   #4 (permalink)
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Joel,
what fuselage is that?
some of the different brand fuselages are the same or near the same dimenions and parts from one can be fitted onto another.
If needed, you can scratch build your rear panel. thats the part of scale helis that I enjoy most and that is the building.

Also, what power combo are you using?

thanks!
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Old 07-08-2015, 07:07 PM   #5 (permalink)
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It's a Vario fuselage. The motor is a Newtor 4109. Low RPM/V, don't recall the exact spec. The rotor turns 1100RPM in flight. The motor was originally a sensor type motor but the original speed control failed so I went to a Castle speed control ( old Phoenix 80HV ) and disconnected the sensor. When LiPos finally came up to the task, I bought 2 Hyperion 6S packs to replace the 32 NiCads I was using. The Hyperions are near a decade old and still going strong.

Joel
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Old 07-08-2015, 10:08 PM   #6 (permalink)
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So it starts. I rough cut the rest of the window openings in the fuselage.

Joel

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Old 07-06-2019, 01:32 AM   #7 (permalink)
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Only a 4 year pause this time.

I put the AS355 back on the bench. I decided to cut a new frame set and clean up a few things. My original frame was ply with the intention of making one out of CF when I had things worked out. The ply held up just fine, so I used it again. I can cut ply on my laser, so I drew up a new frame set and cut the pieces. I installed the new frame into the heli and went out for a go...

First try was OK, second try I lost the tail rotor ( don't ask ). I got it on the ground but had a tip over. Ripped out my frame mount and broke 2 blades. New frame was undamaged.

I ordered a new set of blades and while waiting for those to show up, build a new mounting method for the mechanics. I also addressed a tail rotor issue.

New blades came and the heli was ready to try again. Took it out and it flew ( hovered around ) quite well. The changes I made improved things.

This summer I'm back to flying my helis more, had taken a very long break. With the AS355 now flying better than it ever has maybe...... I'll get it done.
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