Which is eaiser to fly Corona or Hummingbird. CP upgrade for Corona?  
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All Forums >> RC Helicopters >> LMH Helicopter >> Which is eaiser to fly Corona or Hummingbird. CP upgrade for Corona?
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Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/25/2003 9:05:59 AM   
tocano


 

Posts: 178
Joined: 4/30/2003
From: Perth, AUSTRALIA
Status: offline 		I would like to know if anybody can tell me which is easier to fly Corona or hummingbird. I know they are two different heli one is indoor micro and one is outdoor. I have Hummingbird and I just like to know so I know what to expect. I have thinking about a second heli for a couple of weeks know. Between Eolo and Corona, Corona has been voted the strongest outdoor heli but Eolo has CP.
It's been few rumours about Corona CP upgrade but nothing from the manufacturer that I know of.
       Post #: 1

Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/26/2003 8:34:42 PM   
jimbo_h


 

Posts: 15
Joined: 10/29/2002
From: Bradenton, FL, USA
Status: offline 		I have both the Corona and Hummingbird. Of the two I think that Corona is the more stable and predictable of the two and therefore easier to fly for a beginner. That being said, I actually did most of my initial Heli flights on the Hummingbird, while I was building the Corona. If you can fly the Hummingbird comfortably, the Corona should not a be problem at all. Just be sure to give yourself enough room to maneuver.

(in reply to tocano)
       Post #: 2

Corona gyro - 7/27/2003 6:48:46 AM   
tocano


 

Posts: 178
Joined: 4/30/2003
From: Perth, AUSTRALIA
Status: offline 		Thanks for the reply. I am still learning to fly (hover) Hummingbird. I find it very unpredictable and I think I need a bigger room to fly. I've been thinking maybe I should get a Corona so I can fly it in the park away from people and TV ec. Can you tell me if I can use a gws piezo gyro similar to the Hummingbird gyro?
Can you tell me a simple setup that will work well. I know that the Atomic Force motor works better than the stock. I will have to order it from US because it costs twice as much here. I just have to get all the things that I need in one order like parts that will most likely to break etc. Can you help please. Thank you in advance.

(in reply to tocano)
       Post #: 3

Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/27/2003 7:27:33 AM   
Spiro



Posts: 335
Joined: 4/14/2003
From: Mesa, AZ, USA
Status: offline 		Tocano,

Your GWS gyro should work fine. Quite a few people have used the GWS piezo gyro on the LMH. The Futaba GY240 is also popular if you want a heading hold gyro.

I would also recommend you start of with metal gear servos. You will probably never strip any gears or have to replace them if you do. Hitec HS-81mg servos are quite popular and inexpensive.

As far as replacement parts, I don’t think you would be unhappy with a spare set of main blades, even if you never needed them. You also might want to pick up an extra canopy. They can get pretty beat up during the learning process. Litemachines actually sells a three pack if you like! This way you can try out a couple of different paint schemes and always have a nice clean body when you get tired of looking at the beater you learned on.

Right off the bat I would recommend several tail booms since you are guaranteed to go through a few while learning. The main blades swing down on hard landings/crashes and strike the tail boom, bending it up. The boom can be easily straightened but eventually you will need to replace it. You will also want a couple of tail rotor drive wires. Perhaps a better solution would be the carbon fiber boom that Chris sells:

http://www.geocities.com/buckey29/corona.htm

Though I have not used his product myself, most everybody seems quite happy with it and claim it is indestructible. Several had said if they had only purchased one of these in the first place instead of several replacement stock booms and drive wires, it would have been quite cheaper.

There are a few very inexpensive bits in the rotor head that you will want spares of. The Z links tend to disappear in very hard inverted crashes. I have lost 2 ever and they are a dollar or so for a 4 pack as I recall Also, it wouldn’t hurt to have a spare set of swashplate pushrods and the plastic ball link ends that screw on them. These are only a couple dollars for a pair as well. Over the years I have lost one of those.


I hope other people might have some more advise for you, considering your shipping situation. Truth be told, I have broken very few parts on my LMH after repeated smashings into just about everything. I haven’t had to replace anything on mine due to brakeage other than tail booms, servo gears, and canopies.

I hope you have a great time with your LMH. I would recommend this little bird to anybody who is looking for a cheep way to get into heli’s and wants one that bounces. As far as repair bills and low cost smiles go, you just wont beat the LMH.

For what it is worth,
Spiro

< Message edited by Spiro -- Jul 27 2003 2:35AM >

(in reply to tocano)
       Post #: 4

Spare parts - 7/27/2003 7:00:17 PM   
tocano


 

Posts: 178
Joined: 4/30/2003
From: Perth, AUSTRALIA
Status: offline 		Thank you very much Spiro much appreciated. I am just about to place an order for Corona. I will get spare blades for main and tail. Also those z links, swashplate pushrods and the plastic ball link ends. With the tail boom think I will check if roffeetvhobby also sell the carbon fibre one. If not I will order seperately. Also I saw some pictures of LMH tail boom with plastic pipe or foam to protect it during the crash somewhere.
I will also get 2 HS81MG for cyclic and HS81 for the rudder.
Depend on the price I might get extra canopies.

I have decided to get a GY240 gyro to make it easier learning for myself.

I will actually print out your reply since it has very usefull information.

Basically this is what I will get:
- Corona heli
- Atomic Force motor
- Castle creations pegasus 35P
- 2x HS-81MG
- HS-81 for rudder
- GY240 gyro
- Spare parts: Main and rotor blades, Z links, swashplate pushrods with plastic ball links, carbon fibre tail boom.

Depend on the price: Extra canpies and deans whip antenna.

I will be using JR R610 micro receiver and F500 transmitter (airplane 5 channels tx)

Thanks again Spiro.

(in reply to tocano)
       Post #: 5

Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/28/2003 12:43:22 AM   
Spiro



Posts: 335
Joined: 4/14/2003
From: Mesa, AZ, USA
Status: offline 		I did think of one more thing. The tail rotor gearbox always cracks in hard landings. They still work fine with the crack, I flew for years with a cracked one. I don’t think ordering extras is the way to go, since the extra ones will just crack on your next hard landing. Instead I would strongly recommend adding a little fiberglass reinforcement yourself, as suggested by Darth:

http://www.rcuniverse.com/forum/tm.asp?m=738663

I followed Darth’s instructions and the finished product not only looks great, but holds up great and wont crack. Darth is a great guy and would be happy to give you tips or answer questions for you about this if you like. More information can be found on his web site at:

http://darthdrk.4t.com/index.html

Oh, and I noticed that you were not going to get the metal gear servo for the tail rotor. I would recommend this servo have the metal gears as well. If you crash tail first or have a bad enough boom strike, it is possible to strip the tail rotor servo gears. These are actually the only servo gears I ever stripped, though others have stripped the cyclic servos with plastic gears.

While this won’t be an issue for many many hours of flying, you might want to get a spare main spur gear. These will eventually wear down and need replacement after perhaps 100 hours or more.

Again, I would strongly recommend the carbon fiber tail boom. Boom strikes probably account for some 90%+ of the crash damage during the learning stage. I can see an indestructible carbon fiber boom paying for itself very quickly, if you got one in the beginning and never had to replace the stock boom.


I hope this helps. I would also strongly recommend checking with some electric guys about the motor/battery/speed control. They will probably have some good advise for you before your order.

For what it is worth,
Spiroo

(in reply to tocano)
       Post #: 6

fiberglass - 7/28/2003 6:39:12 AM   
tocano


 

Posts: 178
Joined: 4/30/2003
From: Perth, AUSTRALIA
Status: offline 		Thanks again Spiro much appreciated. I am adding your information to my notes and things to do. Without this forum and help from other heli pilots I don't think I will be getting into heli.
I will do it up properly when I get the heli. I won't rush this time (like with my Hummingbird). Beside I like working on model planes and now heli.

(in reply to tocano)
       Post #: 7

Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/28/2003 8:12:40 AM   
Spiro



Posts: 335
Joined: 4/14/2003
From: Mesa, AZ, USA
Status: offline 		Tocano,

I am glad to be of help. Please feel free to pester us here when you get your LMH. I can honestly recommend the helicopter as a great choice to learn on. I wanted to get into helicopters for years but never did due to their high initial cost not to mention the outrageous repair bills from simple learning mistakes. I know nothing is indestructible, but the LMH honestly bounces. Over the years, I have crashed at incredible speed into grass, asphalt, cement, brick walls, trees, telephone poles, monkey bars, you name it… I have come in upside down, tail first, nose in, spinning, and every other which way. I can’t imagine any other helicopter every putting up with even a 10 th of this abuse without damage.

From the repair bill aspect, you won’t be able to get into heli’s any cheaper than with the LMH. I personally find the LMH a joy to fly and easy to learn on. I was not lucky enough to have access to other helicopter pilots so I learned by carefully following Litemachines excellent flight manual. Both the building and flight manuals are available online from their web site. I might recommend you start reading over them if you have not already. It will probably help pass the time while your order ships and will aid you during the construction. The manuals are quite frankly the best technical documents I have ever seen for any product period. They can be found at:

http://www.litemachines.com/downlds.html

I noticed in your spare parts list you have an extra set of tail rotor blades. I personally do not think this is necessary as I have never broken any, and honestly can’t see how you possibly could. I have heard of people breaking the main rotor blades, so an extra set there might be a good idea but I don’t think anybody has trouble with the tail blades. If you feel more comfortable having spares or someone has advised you otherwise, by all means get them. One of the great aspects helping the LMH’s ability to soak up damage is material choice. Both the main rotor blades and the tail blades are bendable and will return to their original shape after being flexed quite a bit. I have personally bent both my main blades and tail rotor blades through 90 degrees to demonstrate this to other people. Let go of the blade, and they snap right back into shape After 7 years and countless hours in the air (and a few crashing) I still fly on my original main and tail rotor blades.

For what it is worth,
Spiro

(in reply to tocano)
       Post #: 8

Thanks again - 7/28/2003 8:32:15 AM   
tocano


 

Posts: 178
Joined: 4/30/2003
From: Perth, AUSTRALIA
Status: offline 		Thanks Spiro. Yes I will post pictures of my heli once I got it set up and join the LMH team! I am glad to hear that you have been flying your heli for 7 years and still have the main and tail blades. I am sure it's not only because the heli is very strong but you know how to fly well. No heli can be that strong? I will exclude the tail rotor with my order. I actually just ordered another Hummingbird today. The first one has so much damage and mods. Anyway, I think I am going to continue with more mods and keep the second one as standard. I am having fun doing works on it but I wish I could fly it better. I am sure in say 6 months from now I'll be a better pilot.

(in reply to tocano)
       Post #: 9

Re: Thanks again - 7/28/2003 9:03:14 AM   
Spiro



Posts: 335
Joined: 4/14/2003
From: Mesa, AZ, USA
Status: offline 		[QUOTE]Originally posted by tocano
No heli can be that strong? [/QUOTE]

Hehe, maybe, maybe not. I do not believe that I am exaggerating in this case. The following thread contains a larger picture of my avatar:

http://www.rcuniverse.com/forum/tm.asp?m=702831

I don't know if you noticed but I am not exactly right side up in the avatar picture. That picture was (poorly) shot while I attempted a loop. I came in from about 100 feet up, inverted, at full throttle when I hit the deck. That was the first time I had lost a Zlink for the main rotor head. I think a baggy of 4 costs $1 and I was back in the air in 5 minutes. Say that for any other heli, I dare you

For what it is worth,
Spiroo

(in reply to tocano)
       Post #: 10

Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/29/2003 6:20:53 AM   
Mini Boy


 

Posts: 432
Joined: 2/4/2003
From: Webster, MA, USA
Status: offline 		Cough, cough ..... (a Spiroism)

(Shhhhhhh, ...... just got an order in from roffee's which included 2 pr. lmh pt # 34775 tail rotor blades ... don't tell anyone!!)







Magnetic force from gyro caused the heli to become attracted to the 220 volt air compressor motor that was running in the shop on a rainy day .... OOooopss ... the damed thing backed into the air compressor!!!!!!

Anonymous

_____________________________

Enjoy The Weather, It's The ONLY Weather You Have!

(in reply to tocano)
       Post #: 11

Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/30/2003 9:06:08 PM   
tocano


 

Posts: 178
Joined: 4/30/2003
From: Perth, AUSTRALIA
Status: offline 		Roffeetv is running out of Corona. But they'll be more coming in hopefully this Friday. Decision decision..... they are so many colours to choose But I decided with spare black rotor and boom.

Spiro, I think you probably hold the record for flying model heli with original main and tail rotors, 7 years. I hope mine last 7 months (seriously). They said Hummingbird is a tuff heli but I managed to damaged the main and tail rotor. But they are easy to fix with CA and fiberglass cloth.

I only have 5 channels airplane radio F500 (3 months old) people say will be okay since I won't be flying CP and don't have to adjust gyro (GY240) gain from TX. So I assume that heli radio will not add benefit to Corona setup?

I also checked around various heli forums and seem to me people are having more problem with JR gyro 410 and 460t and happier with Futaba gyros. Almost all of them recommend GY401 but I like to get GY240 . It cost less and I don't have heli radio.
I hope it's good enough to help me learning to fly heli.

(in reply to tocano)
       Post #: 12

Which is eaiser to fly Corona or Hummingbird. CP upgrad... - 7/31/2003 8:29:09 AM   
centrifuge