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130X Blade 130X Helicopters Information and Help


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Old 03-23-2013, 01:00 AM   #1 (permalink)
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Default broken HP08 shaft

I have just put in an HP08 motor for a friend and on first hover, the the heli lost power. Fortunately it was only 1-2 feet up so it sort of self auto down without any damage. Turned out the motor shaft had broken at the base of the bell.

Fortunately for my friend, I have a backup HP08 1S that I took apart and salvaged the bell and shaft and placed it on the 2S HP08. Now I have an HP08 1S without a shaft, LOL. I had one that happened on a brand new motor and was fortunately got it replaced since I purchased it locally.

Has anyone have had a broken 1.5mm shaft and have successfully replaced it with a 1.5mm drill bit or rod? If so, can you point to me where to get a high quality one so I can make a replacement shaft?
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Old 03-23-2013, 01:11 AM   #2 (permalink)
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Default broken HP08 shaft

Here's what I found. What do you think?

http://www.gizmoszone.com/shopping/a...Axles;ppinc=1a
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Old 03-23-2013, 01:13 AM   #3 (permalink)
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Here's what I found. What do you think?

http://www.gizmoszone.com/shopping/a...Axles;ppinc=1a
nice. the 30mm length would work nicely. Wonder how hard is the steel?
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Old 03-23-2013, 01:17 AM   #4 (permalink)
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I just used a decent quality high speed drill bit, 1.51mm, cut it to size and pressed it in the bell. It was just a tad oversized for the bearings, so I dressed it down a bit with some emery cloth by turning it in a high speed drill. Seems to work just fine, plus having to dress it down made it fit the bearings very tightly, which IMO is a good thing.
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Old 03-23-2013, 01:33 AM   #5 (permalink)
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Default Re: broken HP08 shaft

Mcmaster has the good stuff, long enough to make 2 shafts for $2, perfect fit in the bearings, and hardened. I have some shaft stock coming in next week if you want one....

And it wouldn't hurt to email oversky about it, they are very good about warranty on stuff like this, and would probably like to know.

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Old 03-23-2013, 01:51 AM   #6 (permalink)
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Originally Posted by Dylwad View Post
Mcmaster has the good stuff, long enough to make 2 shafts for $2, perfect fit in the bearings, and hardened. I have some shaft stock coming in next week if you want one....

And it wouldn't hurt to email oversky about it, they are very good about warranty on stuff like this, and would probably like to know.

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Old 03-23-2013, 12:37 PM   #7 (permalink)
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I was taking the 11 tooth of my Spin 8000 and bent the shaft, so I took the shaft out of my HP08 and used it for my Spin.The HP08 was junk anyway it had the wires all cut and wrapped together ( got it used with my 1st Used 130x package) Im going to a 10 tooth on my spin for flight time, torque, good Sport flying gear with mind 3D. Now I just need to loctite the gear in the correct spot. I think your going to really like that Spin. Crazy power !
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Old 03-23-2013, 07:10 PM   #8 (permalink)
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Default Re: broken HP08 shaft

Use a torque tube from a 130x its 1.5mm and fits prefect, just cut to length. Easy fix

Sent from my GT-N8013 using Tapatalk 2
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Old 03-23-2013, 07:21 PM   #9 (permalink)
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KUDOS. GREAT IDEA. THANKS
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Old 03-23-2013, 07:32 PM   #10 (permalink)
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Default broken HP08 shaft

Quote:
Originally Posted by AdamW View Post
Use a torque tube from a 130x its 1.5mm and fits prefect, just cut to length. Easy fix

Sent from my GT-N8013 using Tapatalk 2
I wouldn't. TT is not hardened steel. Try to bend a motor shaft then a piece from TT. You'll see the difference
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Old 03-23-2013, 07:44 PM   #11 (permalink)
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Quote:
Originally Posted by AdamW View Post
Use a torque tube from a 130x its 1.5mm and fits prefect, just cut to length. Easy fix

Sent from my GT-N8013 using Tapatalk 2
Quote:
Originally Posted by nartac View Post
I wouldn't. TT is not hardened steel. Try to bend a motor shaft then a piece from TT. You'll see the difference
I agree. This would be a good quick fix, lacking the proper material, but I certainly wouldn't count on it for the long haul.
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Old 03-25-2013, 07:06 PM   #12 (permalink)
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Just for reference the good shaft material is Part number 2900A222 High-Speed M2 Tool Steel Hardened Undersized Rod, 1.50mm Diameter, 1-7/8" L www.Mcmaster.com

Perfect fit in the bearings, actually better than the stock shaft.
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Old 03-25-2013, 07:35 PM   #13 (permalink)
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Quote:
Originally Posted by Dylwad View Post
Just for reference the good shaft material is Part number 2900A222 High-Speed M2 Tool Steel Hardened Undersized Rod, 1.50mm Diameter, 1-7/8" L www.Mcmaster.com

Perfect fit in the bearings, actually better than the stock shaft.
Nice. Lots of other cool stuff on the site, too. Thanks, Dylan.
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