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Home✈️Aircraft🚁Helicoptere-Hirobo Embla - SRB Quark - Lepton › Hirobo Lepton EX part...
01-30-2016 09:05 PM  3 years ago
Mike0251

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Hills of the Blue Ridge VA

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01-30-2016 11:39 PM  3 years ago
prototype3a

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Christiansburg,VA

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Is there room for PEM nuts to hold the battery stopper?~Drew
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01-30-2016 11:48 PM  3 years ago
TMoore

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Cookeville, TN

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I'm not going to use PEM nuts. I'll just tap the hole locations.Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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01-31-2016 12:24 AM  3 years ago
prototype3a

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Christiansburg,VA

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If the base was a bit thicker I would tap it. It's not even one screw diameter thick.~Drew
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01-31-2016 12:44 AM  3 years ago
TMoore

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Cookeville, TN

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Wherever there is a PEM nut I will make a small boss there to give you at least 1.5d of thread depth. Lots of options when I mill it.

I just ordered material from McMaster.
Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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01-31-2016 12:53 AM  3 years ago
prototype3a

rrApprentice

Christiansburg,VA

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Mike,

Would you mind sharing your model?
~Drew
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01-31-2016 11:10 AM  3 years ago
Mike0251

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Hills of the Blue Ridge VA

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Sure I'll share, it's what we are all here for. IM me your email.
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02-01-2016 06:25 AM  3 years ago
TMoore

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Cookeville, TN

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Mike did a GREAT job of doing the solid model. One of the issues that I had with mine was getting the machine absolutely smooth which is why I quickly went with another motor. One of the issues with the Lepton which Hirobo never fixed is the fact that originally it came with a Hyperion 3025-10 motor 705kv and a CC 80 esc. This really limits what you can do with the stock gearing. I still have mine and I changed the tail rotor pulley to speed it up. I went with a Scorpion 1210kv motor and re-geared the model for the head speed I wanted. The Scorpion motor was far superior from a smoothness standpoint over the Hyperion.

The thickness of the frame where the motor mounts needs to be thickened up and it really doesn't look like it would be very hard to do. I'm ordering 6061-T6 which is the cheapest material you can buy from McMaster as buying something better really doesn't make much sense to me. 6013 would be great but with the sizes available there is a lot of saw cutting that needs to be done before you can start squaring up material getting it ready to machine. I may throw in a piece of 6013 and get it lasered.
Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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02-01-2016 09:59 AM  3 years ago
Mike0251

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Hills of the Blue Ridge VA

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Thanks Terry, I enjoyed doing it. Please post an occasional pic as the part moves through your manufacturing process
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02-02-2016 06:47 PM  3 years ago
jason46

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MI

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I was going to suggest the following eflite 1000kv motor, it is working great for me with just an old 60amp phoenix esc, but the motor has been discontinued.
http://www.horizonhobby.com/products/EFLM4025H

I'm flying mine with 4s 4000mah packs and it is great, but I only fly it on rare occasions. Definitely a smooth machine.
We made up some rules can we have your moneys now.
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02-02-2016 10:52 PM  3 years ago
tommytt1

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Mercerville, NJ, USA

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Nice work guys! You are true craftsman !I made a mistake once, but I was wrong?
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02-25-2016 03:24 AM  3 years ago
dkshema

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Cedar Rapids, IA

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Any news?-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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02-25-2016 03:56 AM  3 years ago
TMoore

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Cookeville, TN

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I decided to make the PEM nut version. So I ordered some PEM nuts.Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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02-25-2016 04:47 AM  3 years ago
dkshema

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Cedar Rapids, IA

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Cool.-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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02-25-2016 10:02 AM  3 years ago
Mike0251

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Hills of the Blue Ridge VA

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Lol...
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03-04-2016 05:20 AM  3 years ago
dkshema

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Cedar Rapids, IA

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Terry -- 2.5 mm PEM nuts?-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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03-04-2016 06:36 PM  3 years ago
TMoore

rrMaster

Cookeville, TN

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Yes, 2.5mm PEM nutsPart 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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04-07-2016 12:01 AM  3 years ago
dkshema

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Cedar Rapids, IA

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Any update on this project?-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz
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04-07-2016 06:24 PM  3 years ago
TMoore

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Cookeville, TN

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Not right now, tax time.Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
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Home✈️Aircraft🚁Helicoptere-Hirobo Embla - SRB Quark - Lepton › Hirobo Lepton EX part...
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