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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Four Blade head???
03-30-2009 10:38 PM  9 years agoPost 1
axemanclint

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Cypress, Tx. USA

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What do you guys know about this specific four blade head. From the looks of it, it looks nice.

http://www.scaleflying.com/product_p/lhtb-22.htm

Are there any problems, complaints, add-ons needed???

I am not happy with my 2 blade flybar setup right now on my Newly built Koala. i had to do a mod "flybar limiter" and now i think i have some major issues with vibrations, which wreaked havoc on my Koala last friday during it's first maiden test flights. I am now at a loss and not sure what to do. i want to eventually go scale four blade head anyway, so i am shopping around ideas. This one so far is the best for the money. BUT, i don't know anything about this head????

Thanks guys,
Clint

"what goes up must come down," hopefully in one piece!

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03-30-2009 11:56 PM  9 years agoPost 2
Crewdogg998

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Michigan

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Clint, I have this head on my Raptor and have been flying it with no trouble. I would suggest carfully balancing the blades, a pitch gyro and extended links for the blade grips. I used Century medium ball links for the blade holders to reduce the angle of the rods from the swash to the grips.
So I guess what I'm saying is , yes, I'd recommend one. There is a thread or two about this unit. Also, If you have trouble I can help you sort it out. Steve

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03-31-2009 01:28 AM  9 years agoPost 3
january flyer

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Lake Charles Louisiana 70601

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I have this head also, and it worked fine for me too. I will be getting their 1st all made in the USA 4 bladed head prototype inn, in any day now to test and review on here, but I will have to wait sometime this week for the other set of carbon blades to come in. Take care!

Team JR, Thunder Tiger America, Scorpion, Skookum Robotics, Savox, RC Aerodyne, Sirocco, SpinBlades

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03-31-2009 02:06 AM  9 years agoPost 4
axemanclint

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Cypress, Tx. USA

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Thanks guys, just you two was enough for me to believe this is a good head. I trust your judgement. i think this may be the head i end up going with.

So four questions?

1. Why is this head so much cheaper than so many others out there on the market, but still a great quality head to fly?

2. On there website they state that you don't need any additional mixers in order to fly this head. So would it in fact be possible for me to start out with this head without any mixing?

3. is everything included with this head that is needed to get in the air?

4. I am currently using the Align fiberglass 600mm blades. Would i be able to get two more and just balance all four of those and use them with this head?

Thanks guys, i really appreciate any help you can give me on this thing.

Also Crewdogg998:
If you could elaborate more on what you were saying is needed in order to fly this head without the linkages being angled to much from the swashplate????

Cheers,
Clint

"what goes up must come down," hopefully in one piece!

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03-31-2009 05:15 AM  9 years agoPost 5
january flyer

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Lake Charles Louisiana 70601

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1.The CEO of Scaleflying told me that they had Lightning Heli's make the heads to their specs, and had them make the heads as they would put in an order, and that they didn't want any of the heads off the shelf. That's why these Lightning heads worked better then the others one of the same kind.

2.I did test fly my head without any mixers in very strong wind side ways, backwards and F F it did fine, but it still need some messing with on the D/R to get it right and use to, but heavy blades will make it work even better RotorTech 600mm would be good, do to they come in at 140grams each. http://www.heli-world.com/detail.aspx?ID=1169

3.Yes! But no blades.

4.Yes you can as long as the weight is close were you don't have to use to much tape to get them balance and the C G is good.

He's talking about the ball ends that screw on the main blade grips themselves to keep the angel small when phasing the head. Some people use a gyro on the Elev to keep the heli for pitching up in the wind and in fast forward flight. Take care!

Team JR, Thunder Tiger America, Scorpion, Skookum Robotics, Savox, RC Aerodyne, Sirocco, SpinBlades

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03-31-2009 05:39 AM  9 years agoPost 6
FrittsLogic (RIP)

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Honolulu, Hawaii

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I recently purchased one of their 3 bladed heads. I do use a Vbar though. I flew it in 15-20mph winds this weekend with no issues. Not much different than flying two blades. My head kit didn't come with linkage rods, you will probably have to make them up yourself.

We don't need no stinking flybars!

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03-31-2009 05:56 AM  9 years agoPost 7
january flyer

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Lake Charles Louisiana 70601

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yes I just remembered I had to do the same with my links

Team JR, Thunder Tiger America, Scorpion, Skookum Robotics, Savox, RC Aerodyne, Sirocco, SpinBlades

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03-31-2009 06:06 AM  9 years agoPost 8
axemanclint

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Cypress, Tx. USA

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AWESOME!! Thanks so much Jflyer, as always you are a standup guy with great information. Thanks. Also thanks FrittsLogic, that is good information. That shouldn't be an issue at all, that's easy to come up with linkage rods i can just order some extra ones from align or whatever and size them accordingly. Anyway, thanks again guys. you have been a great help.

Cheers,
Clint

"what goes up must come down," hopefully in one piece!

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03-31-2009 12:18 PM  9 years agoPost 9
Crewdogg998

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Michigan

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Axe, I think I have some pictures in my gallery that you can look at. I will try to locate the part # for the ball links that I'm talking about. Check out the pics when you have a chance, they will be helpful. Crewdogg

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03-31-2009 04:25 PM  9 years agoPost 10
axemanclint

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Cypress, Tx. USA

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Awesome!!! Crewdogg998,
Thanks for those pics. That really clears a few things up. So in the pics, those are the extended Ball links that attach to the blade grip holders?? Correct?? Also i see what seems to be the stock raptor swash? Is this correct? So would i be able to use the stock align swash with the head.

Also it looks like you are using the same blades as me. Are those the Align fiberglass blades 600mm? I love those!

Last question:
Where did you get those linkages from. Looking at the pics they look longer than anything that comes standard in most kits. So where would i get long enough linkages to reach from the swash plate to the ball link on the blade holders?

Other than that it all looks fairly straight forward, in fact it looks easier to setup than a flybar head is. Just straight linkages to the head with out all the crazy connections and linkages and cages like on a flybar head. I am assuming you probably just take off the old head. Replace it with this one bolting it on with the Jesus bolt and then attach the linkages from swash to head and size accordingly. I am also assuming that the best way to set the linkages and head up correctly would be to center the collective for zero pitch and center everything in the radio. Then dial in the pitch of each blade to be zero with the linkages???

"what goes up must come down," hopefully in one piece!

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03-31-2009 04:40 PM  9 years agoPost 11
BarracudaHockey

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Jacksonville FL

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If you use a stock swash it has to be modified.

If you have a CCPM machine you can use the swash that comes with it or I can sell you the one that came with mine since I'm not using CCPM I had to have my Raptor swash modified by a machinist.

Andy
AMA 77227
http://www.jaxrc.com

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03-31-2009 04:48 PM  9 years agoPost 12
axemanclint

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Cypress, Tx. USA

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No! i will not be flying a raptor with this heli. I am flying a Trex 600E it has the CCPM 120 degree swash stock. So i should be fine right?

I was just asking him that i noticed his raptor swash and thought mine (T600E) would be fine.

"what goes up must come down," hopefully in one piece!

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03-31-2009 05:07 PM  9 years agoPost 13
january flyer

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Lake Charles Louisiana 70601

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If I'm right it looks like Crewdogg998 is using a century Hawk swash. they already come with the hole drilled for the follower ball end.

Yes He using the extended ball end on the blade grips.

The linkages will have to be custom cut to fit the head that's why there longer.

After you bolt up the head and get the pitch right you will need to phase the head so there's no interaction with Elev and Ail.

You just take one blade and put it right down the tail boom twist the head still keeping that blade down the boom, and then give Elev forward and backward if it's right the other blades shouldn't move and then move Ail side to side and the other set of blades shouldn't move if it does twist a little more till there's no interaction of the set of blades. Then tighten down the follower and your done. Take care

Team JR, Thunder Tiger America, Scorpion, Skookum Robotics, Savox, RC Aerodyne, Sirocco, SpinBlades

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03-31-2009 05:13 PM  9 years agoPost 14
axemanclint

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Cypress, Tx. USA

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So... If i'm using my stock Align swash, what will i need to do in order to make the hole for the follower to attach to? Is it hard to do or will i be able to do this rather easily myself??

I sort of see what your talking about with the phase adjustments, but it would be much clearer if i was actually looking at and interacting with the head while reading your instructions. i will probably have to come back to this part and read over it again when it comes to that time. I may also need further instruction on exactly how to do the phasing setup if it still isn't making enough sense to me. Can you guys give me further instruction if i need it later on?? Thanks for everything.

Cheers,
Clint

:EDIT:
P.S. Oh by the way, i just now saw where you posted a thread back in January about the head from Aerodyne, http://runryder.com/t488535p1/ is this the same head that i was showing in my thread and the one i will be getting if i order from them as well??

Thank again buddy for all your help!

"what goes up must come down," hopefully in one piece!

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03-31-2009 05:17 PM  9 years agoPost 15
axemanclint

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Cypress, Tx. USA

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↑:EDIT:↑

"what goes up must come down," hopefully in one piece!

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03-31-2009 05:27 PM  9 years agoPost 16
FrittsLogic (RIP)

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Honolulu, Hawaii

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If you're getting the Aerodyne head, it comes with the swash and swash follower you need. You'll need to move your anti-rotation pin to the correct side to use in the Trex600E. I put one of their heads on my trex 600e, and it was quite easy. Just find those linkage rods somewhere and iteratively phase it as described above and you will be good to go. BTW, just make up one linkage, and do your phasing at zero pitch. Once that's perfect, use calipers and duplicate the length for your other linkages.

We don't need no stinking flybars!

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03-31-2009 05:31 PM  9 years agoPost 17
axemanclint

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Cypress, Tx. USA

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OHHHHHH!! Ok, i had no idea the Aerodyne head came with a swash also. That is great! i will just do that instead then. Thanks for the info. they don't really put that on there website. Sounds like the phasing should be easy enough to do and the linkage/pitch setup as well. This is sounding better and better by the post.

Thanks guys,

Clint

"what goes up must come down," hopefully in one piece!

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03-31-2009 05:43 PM  9 years agoPost 18
january flyer

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Lake Charles Louisiana 70601

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If you don't have a hole already you will have to drill and tap the swash to be able to use the follower. If you have the skills to do that, you can do it, but you have to be very careful not to drill to deep are you will hit the inter ball on the swash and that will be bad.

What you can do is remove one of your ball on the swash, then take a small Allen and and put it into the hole and look and see how deep it's going in and mark it flush with the swash and then take the drill bit and mark it, and then rap tape around it.

Use alot so when you dill the hole and the tape hits the swash you know your at the right depth and not to go any deeper. use oil to drill and when you use a tap. DO THIS ONLY IF YOU HAVE THE SKILLS TO DO SO.. If not get a machinist to do it.

Yes that's the same head I have now

Team JR, Thunder Tiger America, Scorpion, Skookum Robotics, Savox, RC Aerodyne, Sirocco, SpinBlades

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03-31-2009 05:46 PM  9 years agoPost 19
axemanclint

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Cypress, Tx. USA

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Thanks Jflyer, but Fritts just informed me that this head comes with a swash and follower all included. I will just use that one instead of going through the hassle of machining the Align one. I had no idea that it came with all of this, the website doesn't really say all of that. Or maybe i just missed it... Anyway, Thanks buddy for all of your help, once again your great!

Cheers,
Clint

"what goes up must come down," hopefully in one piece!

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03-31-2009 05:46 PM  9 years agoPost 20
FrittsLogic (RIP)

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Honolulu, Hawaii

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The swashes that Aerodyne include have a ball in the right location for the follower they include, for the blade configuration you get (3,4,5).

We don't need no stinking flybars!

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