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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Where to get 5mm Stainless Steel Rod's used for tail shaft
05-28-2007 03:32 AM  13 years ago
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Jon the Rooster

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Johns Island, Charleston, SC

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Where to get 5mm Stainless Steel Rod's used for tail shaft
I have a need to make my tail shaft about 1/4 inch longer for more throw/pitch range, so I must find some SS to make my own tail shaft.
Does anyone have a link to where I might find some 5mm Stainless Steel rod stock at????
I did a google search with no sucess.
and one more thing "DON'T BE AFRAID!"
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05-28-2007 03:37 AM  13 years ago
OICU812

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Grande Prairie, Alberta, Canada

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https://sdp-si.com/eStore/

Click on precision shafts, than pick your length, diameter, grade etc. These guys hae excellent service and quality product.
...Once upon a time there were Nitros, flybars and frequency pins...
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05-28-2007 03:37 AM  13 years ago
TMoore

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Cookeville, TN

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You don't want CRES or SS. What you want to use is 5mm W1 or O1 drill rod. Order form MSC or Enco.

TM
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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05-28-2007 03:40 AM  13 years ago
OICU812

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Terry can I ask why not? I used these guys for motor shafts for electric motors etc which have been fine. Curious on your comment.......Once upon a time there were Nitros, flybars and frequency pins...
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05-28-2007 03:51 AM  13 years ago
Jon the Rooster

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416 SS is a good quality steel for machining, much better than the stock tail shaft thats available.
Thanks for the link OICU812
and one more thing "DON'T BE AFRAID!"
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05-28-2007 04:44 AM  13 years ago
andres.c

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pan

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http://www.mcmaster.com has what you need also , http://www.smallparts.com

what heli are you using this on if I may ask
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05-28-2007 03:15 PM  13 years ago
Jon the Rooster

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I'm gonna use it on my Predator. I have a Raptor slider,yoke & Kasama Tail assy, but overlooked that the throw was not enough to allow for Gyro to do it's job cause the tail case was thicker.

All I needed was an extra 5mm to achieve that.
After I get it corrected I can then work on set'n up my 611.
Ordered my Material this morning thanks to OICU812 link that he privided.
and one more thing "DON'T BE AFRAID!"
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05-28-2007 03:25 PM  13 years ago
hootowl

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Garnet Valley, Pa.

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http://www.nookindustries.com/linea...earShafting.cfmWolves don't lose sleep over the opinions of sheep
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05-28-2007 03:41 PM  13 years ago
andres.c

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pan

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the raptor 90 tail shaft is slight longer than the r50 maybe the r90 shaft is longer than the predators and you can narrow your search that way with out doing the machine work
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05-28-2007 03:48 PM  13 years ago
Jon the Rooster

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Johns Island, Charleston, SC

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I made a post earlier on Measurements. The Predator Tail shaft is the same size as the Rap 90, 3 inches. That's why I thought it would be a simple bolt on fix.
I allready ordered 2 shafts, so I'll se if they work out for me. I belive it would have worked perfectly if the Predator tail case wasn't so wide, but I'm not complaning casuse I will eventualy get things to my liking by making the tail shaft 5mm longer!!
hootowl That's a good link to, thanks. 440 SS is the strongest if the 416 dosen't cut it!

Who Needs Google when I have all this info from you guys here @ RR!
and one more thing "DON'T BE AFRAID!"
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05-28-2007 03:55 PM  13 years ago
hootowl

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Garnet Valley, Pa.

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440C is the best. Case hardened on the outside but soft in the center so it won't snap easily. The problem you run into is class tolerance and bearing inner diameter. Some commercially available shaft won't slide into our bearings.

Also the 440C needs to be cut with carbide tooling. It's easy to drill and tap the soft core.
Wolves don't lose sleep over the opinions of sheep
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05-28-2007 03:55 PM  13 years ago
andres.c

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pan

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this is mine


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05-28-2007 06:17 PM  13 years ago
TMoore

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Cookeville, TN

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Terry can I ask why not? I used these guys for motor shafts for electric motors etc which have been fine. Curious on your comment....
Most ground rod like you can commercially purchase is ground to a standard size, whether it is CRES or tool steel. Hardened linear railing is too but here is the rub. Mic the OD of the shafting that is used on a Heli and you will find that it is a few tenth's undersized so you can assemble it easily. With W1 or O1, you can easily machine the ends to length, polish the OD and mill flats on the shafting to suit and the material is more than adequate for our application, Not to mention that you can buy it for pennies in 36" lengths.

TM
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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05-28-2007 06:22 PM  13 years ago
hootowl

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Garnet Valley, Pa.

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I have been using 440C on my EVO50. No more in flight spindle bending. It will bend in a crash though.Wolves don't lose sleep over the opinions of sheep
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05-28-2007 08:54 PM  13 years ago
Rotorwacker

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Nederland TX, USA

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Have you looked at using a main shaft off a Trex 450? That is what I use to balance my Predator tail rotor assy.I know that they are pretty tough and better yet, cheap and plentiful.I Love RC Helis,and have the Receipts to prove it
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05-28-2007 09:35 PM  13 years ago
TMoore

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Cookeville, TN

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http://www1.mscdirect.com/CGI/N2DRV...000000015786008Part 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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05-29-2007 01:50 AM  13 years ago
hootowl

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Garnet Valley, Pa.

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Tmoore that's a bad linkWolves don't lose sleep over the opinions of sheep
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05-29-2007 02:14 AM  13 years ago
TMoore

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Cookeville, TN

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http://www1.mscdirect.com/CGI/N2DRV...000000015795303

The link must have changed or MSC was updating the part numbers.

TM
Part 107.
The only ZERO flight hour certificate in the world.
It's like getting a driver's license without the driver's test.
SHARE  PM  EMAIL  HOMEPAGE  GALLERY  Attn:RR
05-29-2007 02:42 AM  13 years ago
hootowl

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Garnet Valley, Pa.

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Give us the part number. It's not giving you a usable URLWolves don't lose sleep over the opinions of sheep
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05-29-2007 02:50 AM  13 years ago
Jon the Rooster

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Johns Island, Charleston, SC

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Click on browser, search O1 or W1. I found it, it's like $2.90 for a 36" piece!!!
Saved it to Favorites!
W1 is Water hardened & O1 is Oil Hardened!!
If the Steel I ordered dosent work I'll order some of that!!
and one more thing "DON'T BE AFRAID!"
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