First time using my new planer and it’s a beast. Does anyone have any experience with the helical heads? They’re nearly as expensive as the planer was, but I’ve heard the difference is night and day.
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πŸ“…︎ Jun 28 2021
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Trying out a Helical 0.75” chip breaker end mill in 6061 AL. 2” adoc, 0.075” rdoc, S10000, F288. Did great, I think it can go faster. v.redd.it/r7miu84uj3771
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πŸ‘€︎ u/gingersnaps09
πŸ“…︎ Jun 23 2021
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Anyone have experience with Helical Piles?

Doing a 100sqft bumpout located in north east USA. Builder is recommending to use a helical pile from https://www.technometalpost.com/en-US/ on the corner, rather then a concrete foundation.

Haven't been able to find too many reviews. Saves 8k in cost but I'm not sure it will stand the test of time like a foundation, especially in our very sandy soil. This is our forever house.

Anyone have experience with them? Thanks!

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πŸ‘€︎ u/dbrez8
πŸ“…︎ Jun 26 2021
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Why are calico helical mags spring tensioned?

The loooong spring makes loading the last bullets a hassle, when filled to full its under extreme - borderline abusice tension - thus it will weaken ...etc.

Why not use the same mechanism used in spring powered clock?

Said mechanism only gives a turqu for a few turns (not gazillion turns) BUT you can always increase tension by turning a knob of a ratcheting mechanism.
And that could be done by the movement of the bolt.
...basically the same mechanism used in self rewinding spool holders for 3d printing: Like this one

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πŸ‘€︎ u/Xicadarksoul
πŸ“…︎ Jun 18 2021
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HEM toolpath for helical plunge to spiral outward for pocket help

I've seen some great videos of helical plunge machining into a pocket and then a spiral outward for roughing a pocket/bore. Looks like a great way to do it quickly. I'm using Inventor CAM and my question is, how do I define my speeds and feeds for the plunge and then for the "Adaptive" section. My concern is that the outside of my cutter is feeding a lot faster than the tool center that the feedrate is defined for since it starts out as a small diameter hole from the helical plunge. But then when the pocket gets closer to finish diameter, outside of cutter will be feeding closer to tool center.

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πŸ‘€︎ u/gingersnaps09
πŸ“…︎ Jun 18 2021
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Fillets break the edges on a helical sweep when the fillet radius is larger than 3.96mm, anything I can do?
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πŸ‘€︎ u/tarksend
πŸ“…︎ Jun 13 2021
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Helical Split Washers are not lock washers

I just think too many people don't know this, and will die on this hill.

NASA has known for decades that these do absolutely nothing, and if anything, may hasten fastener loosening: https://mae.ufl.edu/designlab/Online%20Resources_files/Fastener%20Design%20Manual%20(NASA).pdf

This site documents extensive Junker testing of various bolting methods, showing the worthlessness of helical split washers: https://www.boltscience.com/pages/helicalspringwashers.htm

Just spreading awareness. I have nothing to contribute beyond references to expert literature.

I still don't know why so many modern machine designs keep using these.

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πŸ‘€︎ u/JimmyCannon
πŸ“…︎ Jun 02 2021
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Huge Success this morning! 6.27km out and still solid signal! I was testing another helical antenna I made (again, out of trash...), this time a 7 turn. (Top signal bar in OSD = New 7 Turn, Bottom = Original 5 Turn). When I first started FPV I could barely go 500m, now 6km is no problem! #Mountains reddit.com/gallery/ns1p8h
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πŸ‘€︎ u/GiantAntCowboy
πŸ“…︎ Jun 04 2021
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I'll be working on a how to video for my helical bridge over the next few days for those that have asked
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πŸ‘€︎ u/_-GH05T-
πŸ“…︎ Mar 24 2021
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Recently upgraded jointer to 8” helical. I’ve been having two issues now, face jointing 6”+ boards my dust collector gets clogged at the inlet, not sure if I should cut out the guard? Two, my dust collector bag fills up so fast I’m emptying every second board. Should I add in a separator? reddit.com/gallery/np2nyq
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πŸ‘€︎ u/isaacmicro
πŸ“…︎ May 31 2021
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β€˜Spiral staircases’ are actually helical (not spirals)

The main difference between Helix and Spiral is that the Helix is a smooth space curve and Spiral is a curve which emanates from a point, moving farther away as it revolves around the point. ... Examples of helices are coil springs and the handrails of spiral staircases.

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πŸ‘€︎ u/M5D
πŸ“…︎ Jun 29 2021
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London City Hall. 500 metre (1,640 foot) helical walkway.
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πŸ‘€︎ u/Paul-Belgium
πŸ“…︎ Jun 27 2021
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Helical cargo train dumper thing serves up some dark industrial techno soundscapes youtu.be/J9HItagxAv4
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πŸ‘€︎ u/anonymtdjur1
πŸ“…︎ May 28 2021
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Master Copy- Helical Druidic Hexes Magnetic
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πŸ‘€︎ u/Hrrabbit
πŸ“…︎ Jun 13 2021
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Helical piers?

Anyone install these piers? Received an installers cert through the manufacture but thought I’d ask for more info before deciding on whether to self perform. Anything would be informative.

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πŸ‘€︎ u/Grindermen
πŸ“…︎ May 26 2021
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First P80 build completed. Strike80 Long Slide. Strike80 Frame and Magwell. Brownells Long Slide with Rival Arms Gen5 G17 Helical Fluted Barrel. Ameriglo suppressor height night sights. Suarez International Face Shooter Trigger. reddit.com/gallery/mrd3rr
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πŸ‘€︎ u/Ragnar_Helsson
πŸ“…︎ Apr 15 2021
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Fletching fun! Do you guys use L or R helical, why? reddit.com/gallery/my9cvj
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πŸ‘€︎ u/pinehunter34
πŸ“…︎ Apr 25 2021
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Confirming helical piles placement
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πŸ‘€︎ u/medic3274
πŸ“…︎ Apr 14 2021
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Thoughts on AO Smith Cyclones? I used to think they were awesome, but they keep failing. This one lists the helical heat exchanger metal as 444 stainless steel... imgur.com/gallery/7NTJ880
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πŸ‘€︎ u/thebenediction
πŸ“…︎ May 27 2021
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Right or left helical?

I know you can check and you should fletch your arrows to match the natural flight of your bow string but does it really matter that much? Reason I ask is I was just gifted a fletching jig and want to try to fletch some arrows at the moment I shoot straight vanes and my jig is a right 3Β° any help is appreciated thanks

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πŸ‘€︎ u/OddieOh
πŸ“…︎ May 15 2021
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Helical Microporous Nanorods Assembled by Polyoxometalate Clusters for the Photocatalytic Oxidation of Toluene

Microporous materials are extensively applied in catalysis owing to their unique pore structures. Among them, microporous materials loading polyoxometalates (POMs) exhibit considerable potential for catalysis thanks to the combination of the outstanding redox catalytic properties of POMs and the characteristics of microporous materials. Based on this, we developed a facile hydrothermal method to synthesize the helical microporous nanorods (HMNRs) using POM clusters as building blocks, combining the properties of both POMs and microporous materials while circumventing the complicated loading process. The HMNRs shows enhanced photocatalytic performance for toluene oxidation. Comparatively high activity, superior selectivity towards benzaldehyde, and prominent cycling stability were achieved, manifesting a promising prospect for the future application in photocatalysis.

https://ift.tt/3gtgdej

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πŸ‘€︎ u/TomisMeMyselfandI
πŸ“…︎ Jun 12 2021
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Does the sun move? And is the helical model true/accepted by astronomers?
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πŸ‘€︎ u/Zoilist_PaperClip
πŸ“…︎ Apr 29 2021
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I present to you the 15 turn, 27 degree beam width, mega helical antenna! Good luck keeping your quad in the beam!
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πŸ‘€︎ u/Poongy
πŸ“…︎ Apr 07 2021
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Evolution of The Bestagon Monolithic Print-in-Place Helical FPV Antenna reddit.com/gallery/m6t299
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πŸ‘€︎ u/rjm27trekkie
πŸ“…︎ Mar 17 2021
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Upgrade! Waiting 7 months for this helical head. Worth it. reddit.com/gallery/mhsmjw
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πŸ‘€︎ u/dovetailfw
πŸ“…︎ Apr 01 2021
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Vejur - Vertical Helical School (2018) youtube.com/watch?v=oiPw4…
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πŸ‘€︎ u/roygbeave
πŸ“…︎ Jun 05 2021
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Helical LSD, Competition Clutch stage 4, MMT Carbon syncros on the way.... If you have done the helical what differences have you noticed?
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πŸ“…︎ Mar 31 2021
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Helical Tools and Machining Advisor Pro

I just discovered the Machining Advisor Pro app for figuring speeds and feeds for Helical Tools and it looks really nice. I’m about to order some end mills and try it out but wanted to see if anyone has experience with how well the tools and app work. How much can I trust it?

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πŸ‘€︎ u/gingersnaps09
πŸ“…︎ May 05 2021
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Hell yea! Nice Increase to my Range with DIY 5 Turn Helical Antenna and Flight Time with a Li-ion Battery! FPV DIY Win! youtu.be/80LLHxupP0I
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πŸ‘€︎ u/GiantAntCowboy
πŸ“…︎ Jun 03 2021
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Any idea what these helical patterns are in my pocket clearing tool path (in red)? Thanks!

https://preview.redd.it/63go5d01ypy61.png?width=762&format=png&auto=webp&s=0e3d3307b93da84ac7368ca99c5321596f0738f7

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πŸ‘€︎ u/Nanabas
πŸ“…︎ May 12 2021
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Finally got a helical cutter head for my DW735! reddit.com/gallery/ma805w
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πŸ‘€︎ u/theonewhowhelms
πŸ“…︎ Mar 21 2021
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Helical solar system wrapping around forearm in a more Galileo-ish style drawing. Can’t picture how it would actually work.
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πŸ‘€︎ u/MavisBacon2pointO
πŸ“…︎ May 01 2021
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Just flew 5km on 100mw on this homemade helical
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πŸ‘€︎ u/voxtel
πŸ“…︎ Jan 16 2021
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Just pulled the trigger on a 1200 x 1200 x 500 version of this machine. Shipped from China to my door for USD$7390 all in. 3kw water cooled spindle, 7 n/m NEMA 34 motors geared 5:1, helical rack X&Y ballscrew Z, 20mm profile rails all axis, handwheel, auto oiler, coolant mister, ethernet controller.
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πŸ‘€︎ u/permaculturist
πŸ“…︎ Feb 06 2021
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Are Helical Piles a waste of money (in Canada) for mini-homes?

Was thinking of getting piles but am being told that it's unnecessary and a big waste of money as long as I get a pad made, and don't have water issues.

Does that sound correct to you guys? Just trying to figure out the pros and cons of having helical piles for a moible home VS blocking.

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πŸ‘€︎ u/carrotsRgood4U
πŸ“…︎ Apr 14 2021
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I have been having a major issue with my mesh on Star CCM+. I'm trying to generate a volume mesh of a helical coil to observe fluid flow and heat transfer. However, the mesh seems to have some errors around the mid point of the mesh. My guess to fix this issue is manually picking a start point for.. reddit.com/gallery/mm0bv8
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πŸ‘€︎ u/RaptorNR
πŸ“…︎ Apr 07 2021
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ELI5 How do railguns work? (Specifically helical ones but idk)

Filler text

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πŸ‘€︎ u/LordOfDeadbush
πŸ“…︎ May 19 2021
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New insurgent breacher weapon? It fires Makarov ammo and has a short range, but a 64-round "drum" (helical tube). Ideally it should be high-cost (4 or 5 points).
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πŸ‘€︎ u/InageMantra
πŸ“…︎ Mar 18 2021
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anybody have experience with surgery for the folding of the edge of the helical rim? estimated prices or if this would be the right procedure for me.
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πŸ‘€︎ u/rr7654321
πŸ“…︎ Jun 01 2021
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Douglas Recoilless. A Canadian bullpup helical mag SMG from the 1960s.
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πŸ“…︎ Mar 26 2021
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Range Testing a couple great DIY projects! (Amazing trash helical and Li-ion battery) youtu.be/80LLHxupP0I
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πŸ‘€︎ u/GiantAntCowboy
πŸ“…︎ May 28 2021
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