RE: training gear for jr ergo30
Yep, you can certainly build your own, but if you want to get some specially for that size of heli then you can get these: http://www.heli-world.com/detail.aspx?ID=468
Posted on: 7/30/2012 10:17 PM by Author "rotordoc1" in the forum "RC Helicopter Beginners Forum"
http://www.rcuniverse.com/forum/fb.asp?m=11175486

RE: caliber 30 main blades
Even athe OS37 will be rather hard pressed to turn a 600mm blade, even if your tail boom was long enough to accomodate it. The most popular size for 30 sized nitro helis are the 550mm size. I am sure you will find any of them will fly your Caliber 30 well. All you will have to do is change to a slightly higher pitch range.
Posted on: 7/21/2012 3:17 PM by Author "rotordoc1" in the forum "RC Helicopter Beginners Forum"
http://www.rcuniverse.com/forum/fb.asp?m=11163803

RE: WFLY New 500 Size Electric Helicopter
The proper and ethical way to advertize is to pay the owners of this site and place adds on it.
Posted on: 6/27/2012 8:42 PM by Author "rotordoc1" in the forum "Electric RC Helis"
http://www.rcuniverse.com/forum/fb.asp?m=11134642

RE: any openion on skyrc products and cheetah 450 ?
[quote]ORIGINAL: BarracudaHockey Do yourself a favor, get something popular that you can get support and parts for if there's a problem. [/quote] +1, If you live in Hong Long and can go to the shop where you bought it from, and come face to face with the fellow who sold it too you, then he may give you good service. If not you may find issues and not have any reasonable way to insure they are adressed. The face to face thing, is because the consumer laws in HK are very lax compared to Europe or North America. Buying it from there, is even more risky, simply because the seller will know that you are too far away for you to make any problems for him. This makes it easy for him to ignore you, if you do have any issues.
Posted on: 5/19/2012 8:43 PM by Author "rotordoc1" in the forum "Electric RC Helis"
http://www.rcuniverse.com/forum/fb.asp?m=11087308

RE: New engine wont start.
The instructions I got with my Toki 40 noted that the main needle was to be set at 4 turns opened for normal running. Like many, I did not read the instuctions so I also had a hard time with it initially. Then someone informed me off this and I then started with a 4 1/2 opening and tweaked it from there. After that it ran like a dream, delivering much better power then even my current OS37!
Posted on: 4/29/2012 12:02 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=11061364

RE: beginer gyro
[quote]ORIGINAL: madmorgan you can find futaba gy401's used in good order all over for 40-60 bucks they are proven and rock solid [/quote] Having experience with both gyros, I would take a good working used GY-401 before the GY48V anyday. Just be sure it is a genuine Futaba GY-401, as a couple of years ago there was a chinese seller who was actually selling very real looking fakes of the GY-401's. Futaba actually had a warning about them on their site. I believe the way to idendify them was by their connecters, which where of a different color.
Posted on: 4/19/2012 10:51 PM by Author "rotordoc1" in the forum "RC Helicopter Beginners Forum"
http://www.rcuniverse.com/forum/fb.asp?m=11049464

RE: JR Voyager E
I helped a friend set-up his Voyager E back in the day. It flew OK at best compared to the Century Swift 16's & NX's that we are flying today...which are far less costly!! SO if you want one just for nostagia sake the fine, but if you want something to get back into RC heli flying then look to something current like our Swifts...big improvements.
Posted on: 2/25/2012 5:11 PM by Author "rotordoc1" in the forum "Electric RC Helis"
http://www.rcuniverse.com/forum/fb.asp?m=10975779

RE: 450 size - too small for guys over 50 ? :-)
[quote]ORIGINAL: evan-RCU I currently have a 250, 450, 550, 700, and .50 nitro. I like the 550 size best. I'm 55. [/quote] Ditto, I am 61 and have been flying since 1985. By far, my favorite sizes are my Swift 550 and 620. Since getting the Swift 550, my smaller ones mow spend most of their time on the shelf.
Posted on: 2/21/2012 10:04 AM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10969170

RE: one way bearing Radikal G20
[quote]ORIGINAL: OliverJacob I found the bearing (HF0812), it was very easy to replace. [/quote] Thanks for the info. Let us know how it holds up.
Posted on: 2/19/2012 3:10 PM by Author "rotordoc1" in the forum "Century - Predator, Hawk IV, Falcon, Raven"
http://www.rcuniverse.com/forum/fb.asp?m=10966417

RE: one way bearing Radikal G20
[quote]ORIGINAL: OliverJacob I think the starter was the problem, I never got the engine to start, I think it was running too slow. Now I have build a much powerful gear starter which works flawless on a 50 CC engine. With a new bearing I should be able to start it. I should have the tools to change the bearing, I would give it a try before I buy a whole clutch. [/quote] A poor starter that turns too slowly, will certainly be hard on that bearing and damage it very quickly. Also if you are using a geared starter that "pounds" like osme do, you will find ythat also is hard on the bearing. Unfortunately, due to the press fit, I do not think they sell the bearing on its own.
Posted on: 2/10/2012 10:57 AM by Author "rotordoc1" in the forum "Century - Predator, Hawk IV, Falcon, Raven"
http://www.rcuniverse.com/forum/fb.asp?m=10952893

RE: BEST GAS HELICOPTER
I had a Vario Bezine Aerobatics some years ago. I do agree that they are as well engineered as some others I have had in the past. But I still predered my Predator overall. It was also very stable in any winds and was easy to set up at lower head speeds for more sports type of flying. The Predator was a lot lighter (about 4.5 lbs), so it was a lot better 3D bird. Also, due to its lighter weight, it was much better in the auto using the same blades. My Aerobatic was consequently modified and mounted into a scale Varo H500 fuselagey where its flying characteristics seemed better suited. That is probably why Vario and their derivatives offer so much scale options and seem to specialize there.
Posted on: 1/28/2012 2:24 PM by Author "rotordoc1" in the forum "Century - Predator, Hawk IV, Falcon, Raven"
http://www.rcuniverse.com/forum/fb.asp?m=10932586

RE: Copter X 600E PRO
Quality is a relative term. I am amazed to see any heli in the 600 class that uses philips screws instead of cap head screws. This alone causes me some concern about the type and quality of the aluminum used. I have never judged any heli I have ever built by the looks of its parts out of the box. I judge them all by how they have held together after at least 200 flights. Over the years, I have found that many kits that had some nice looking anodized CNC parts, did not perform in flight, or in low maintenance expectations, near as well as some other kits I have had that had some well engineered GRP (engineered plastic) parts. That said, I would be more interested in a report after 150 to 200 flights.
Posted on: 12/13/2011 9:47 AM by Author "rotordoc1" in the forum "Electric RC Helis"
http://www.rcuniverse.com/forum/fb.asp?m=10857502

RE: Please Recommend me a Great First Heli For Me:
If you are looking at a 30, check out a more current design like the relatively light Hawk Pro. With the new more powerful OS37. I found it had the performance of some of the older 50's I had. It is easy to set-up at lower rotor speed for more docile training and then later at higher ones for more demanding 3D. As it still uses an mCCPM control system it fly well using even lower cost servos.
Posted on: 12/10/2011 6:51 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10853611

RE: Throttle/Pitch Curve for beginner
For training, use the pitch curves described by bladeskiller, and with an electric heli, if you do not want to use the governor setting with your ESC, then set the throttle curves in your TX as described by rotor09.
Posted on: 11/12/2011 11:48 PM by Author "rotordoc1" in the forum "RC Helicopter Beginners Forum"
http://www.rcuniverse.com/forum/fb.asp?m=10809397

RE: flying problem
You should be able to get help from the people that you bought it from.
Posted on: 10/10/2011 2:32 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10758492

RE: Syma S107 Problem
Sounds like maybe you have put a set of lower blades on the top blade grips. Because the top rotor turns in the opposite direction to the lower rotor they use a different pair of blades.
Posted on: 10/5/2011 9:33 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10750798

RE: Heading rotation when autorotating?
I have done thousands of autos, with many different helis in the past, that did not have a driven tail system. Most of these autos includes a 180 degree or 360 degree turn. The 180 degree auto was a maneuver required, at the end of class III AMA and FAI/F3C competition schedules, for many years, before any of our helis had driven tail systems. We even could complete 360 degree turning autos without a driven tail system. What a driven tail allowed us to do now, is backwards autos and to perform some 3D maneuvers, such as flips & pirouettes during the auto. If yours turns 90 degrees from a hover auto, then I would suspect that one or both of the bearings that support the mainshaft are worn and/or your gyro/servo combination does not react fast enough to hold it as the tail rotor slows to a stop when the torque from the mainrotor disappears. Of note, is that you can set any heli that does not have a driven tail system, to do simpler autos as if it does have one, by simply setting the throttle settings to a touch higher idle, so that the clutch engages just enough to turn the tail rotor slowly. This setting will be far lower then that which would engage the auto bearing that turns the main rotor. Consequently your main rotor would still be in the autorotative state, but your tail rotor would be now turning fast enough to provide basic t/r control. This will not provide enough tail rotor to do 3D maneuvers or pirouettes while in the auto, but for standard autos, you will have more then enough t/r control to hold the heading you want into the wind.
Posted on: 9/29/2011 6:54 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10741231

RE: Heading rotation when autorotating?
[quote]ORIGINAL: Dave Wave Not a driven tail. So if I understand this right. If I am in a hover and loose the engine, the nose will swing and there is no way to correct it and I will have to land in the direction the nose ended up pointing. If I am in FF, the heli should weathervane and land straight ahead? Thanks, -Dave [/quote] Basically yes, but as I said above with good bearings and a better gyro/servo combination (even the basic Futaba GY-401/S-9254 combo), then even from the hover there will not be much of a change in heading unless you loose to much main rotor speed.
Posted on: 9/29/2011 6:49 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10741260

RE: Century 50NX?
I first had their Raven 50, which became my favorite 50 nitro. So when they came out with the 50NX I got one as my Raven by then had over 500 flights on it and I wanted to relagate it to a scale fuselage. To say I have been pleased with the 50NX would be an understatement, but it is even tough it is a hair heavier then the Raven, or another 50 I had, it is still the better and molre precise flyer while still as maintenance free...just start and fly, flight after flight! It already has more then 250 flights and is still going strong.
Posted on: 9/16/2011 9:49 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10720593

RE: Better than sex!!
[quote]ORIGINAL: the Wasp ''''OK shows how old I am'''' I don't think that shows how old you are, but on the other hand I think it shows you have been without sex for a long long time [:D] I hope you are still enjoying your Hawk, it's a nice flying little heli !! Jim [/quote] What engine do you have in yours?
Posted on: 9/5/2011 9:37 AM by Author "rotordoc1" in the forum "Century - Predator, Hawk IV, Falcon, Raven"
http://www.rcuniverse.com/forum/fb.asp?m=10702526

RE: beginner heli pilot
The Rappy 30 is a good 30 to start with for sure, but my favorite 30 nitro is the Century Hawk Pro. It does everything very well and has a better power to weight ratio and lighter disc loading so it will 3D better when you get to that stage and will auto much better.
Posted on: 8/31/2011 10:21 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10696228

RE: Vintage xcell 60 in a century UH-1B fuse vid.
[quote]ORIGINAL: horsenlion Hello everyone, I have a Mystar TSK 60 and I need help. I need to repair the torque umbrella coupling part to the main tail shaft or torque drive shaft. I don't have a manual and don't know where to buy parts. H E L P [/quote] You might want to check with Leisure-Tech Products in Canada. I have received items for mine from them a month ago.
Posted on: 8/10/2011 11:32 PM by Author "rotordoc1" in the forum "Scale RC Helicopters"
http://www.rcuniverse.com/forum/fb.asp?m=10665299

RE: Scale or not
I would get one of the 50 scale helis from Century. First I would fly the scale mechanics it comes with, in a pod and boom form. All you would need would be a canopy & this test package they have for them: http://www.centuryheli.com/products/productdetail.htm?prtnm=CN1000S50TB
Posted on: 8/5/2011 10:39 PM by Author "rotordoc1" in the forum "Scale RC Helicopters"
http://www.rcuniverse.com/forum/fb.asp?m=10657704

RE: BEST GAS HELICOPTER
I agree that Bergen makes a pretty nice gasser. I liked my MinAir and Bergen gassers until I got my Predator about 5 years ago. Now I also have a Radikal. IMHO, they are a clear cut above the MinAir and Bergens which have since been sold.
Posted on: 7/21/2011 11:26 PM by Author "rotordoc1" in the forum "Century - Predator, Hawk IV, Falcon, Raven"
http://www.rcuniverse.com/forum/fb.asp?m=10632958

RE: helicopter doesn't climb very well
There is a simple yet significant design difference in the rotor head of the current Hawk Pro, that is not part of the old Hawk Sport. It is the sleeve that fits inside the damper & the spacer that fits between that sleeve and the inner race of the bearing blade grip. The collective response when going positive to negative or vicea versa s much improved with this assition as is the cyclic response and precision.
Posted on: 7/19/2011 10:46 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10629794

RE: helicopter doesn't climb very well
[quote]ORIGINAL: rotor09 Yes, the higher altitude will certainly effect the performance if all else is equal. Will it effect it as much as you are reporting? I do not think so, specially on the Hawk Pro which is a very light 30 sized heli. The higher the altitude, the leaner the mixture that is required. So if your main needle is 1.5 to 1.75 open, then it will be far too rich. Heck that is even too rich a setting at sea level for that combination. Are you using the standard pitch curve with 0 degrees at mid stick and hover at 3/4 stick? If so then if your needles (main needle and hover/idle screw on the other side of the carb) are set properly you should only require a throttle curve setting of about 40% to 50% at mid stick to maintain a healthy rotor speed at 1/2 stick (0 pitch), not the 76.5% you are showing. Are you sure your throttle servo arm is set properly in relation to the arm attached to the throttle barrel? E.g. when your throttle curve is set at 50%, the throttle servo arm should be 90 degrees to the servo and your throttle barrel shoyud be half opened with the arm attached to the throttle barrel also being straight vertical as the arm on your servo. Also, the throttle ATV (end point) percentages should be the same on both ends. [/quote] All very good advice and well explained. That should help a lot, if his problem is engine related. But another item to consider, if he has recently replaced the feathering spindle after a crash, is the location of the two washer/spacers that go between the nut at the end of the feathering shaft and the outer bearing in the blade grips. One is smaller then the other and the smaller one should be located between the larger one and the outer radial bearing. If it is reversed, with the large washer located against the bearing, it will bind against the bearing and restrict the collective pitch when the rotor comes up to speed. It will feel fine on the bench, but bind when the centrifigal forces of the rotating rotor pull the blade grips outward.
Posted on: 7/11/2011 12:07 AM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10615655

RE: ALIGN T-REX 600 NITRO PRO KIT
They are really not all that difficult. Heck, one of my flying buddies had his wife build her own Century Swift 16 a few years ago, and she said she found it fun. Now it has hundreds of flights on it.
Posted on: 6/10/2011 11:01 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10567715

RE: Trex 550E vs. Trex 600E vs. Other
+1 on the Swift NX.
Posted on: 6/4/2011 10:31 PM by Author "rotordoc1" in the forum "Electric RC Helis"
http://www.rcuniverse.com/forum/fb.asp?m=10557293

RE: Is the Caliber 30 still made?
A very current 30 sized heli is the Century Hawk Pro. It is easy to set-up for any type of flying, training, sport aerobatics, scale or 3D. Not only does it fly very well, but it is easy to set-up, easy to maintain because nothing seems to wear, and easy & inexpensive to repair because it is one sturdy little bird so not too many parts break in a mishap.
Posted on: 5/10/2011 8:31 PM by Author "rotordoc1" in the forum "RC Helicopter General Discussions"
http://www.rcuniverse.com/forum/fb.asp?m=10513080

RE: CCW spin
Sorry, but I have never heard of a "Ufly". What is it and who makes it? I would suggest that you check with the shop you bought it from. They should be able to help you.
Posted on: 5/4/2011 10:16 PM by Author "rotordoc1" in the forum "RC Helicopter Beginners Forum"
http://www.rcuniverse.com/forum/fb.asp?m=10502305