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HomeVendor Promoted Content › Hyper Z-30cc EI
08-02-2010 09:52 PM  7 years agoPost 21
helibreezer

rrApprentice

Patuxent River, MD - USA

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See what happens when you leave your computer alone for a while with the reply page! 10 other hits on the same topic! Way to go fellas!

what does a dominatrix have in common with a heli? Both beat something into submission!

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08-03-2010 01:29 AM  7 years agoPost 22
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Hey, I think you guys are onto something. Get rid of the weight of the flywheel and replace it with a big clutch. Then you have the best of both worlds.

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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08-03-2010 02:09 AM  7 years agoPost 23
RC-Aftermarket

rrNovice

Custer Park IL.

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Justin, wait to you see the clutch on the Radikal 30, huge is an under statement,

Wally
RJX- X90 Z 30cc
RJX X90- C-30cc
Radikal 20 C-30cc
Predator Z-30cc

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08-03-2010 02:23 AM  7 years agoPost 24
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Yeah, this should be cool. I'm looking forward to seeing it. The other good thing about moving the rotating mass from the flywheel to the clutch is that it lifts the center of gravity of the helicopter up a bit. Having a 1/2lb "pendulum" on the bottom of the heli does nothing good for roll rate.

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08-03-2010 03:00 AM  7 years agoPost 25
C.A.P.

rrApprentice

custer park IL.

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08-03-2010 03:06 AM  7 years agoPost 26
Billme

rrElite Veteran

MS

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ding ding ding ding ding

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08-03-2010 03:06 AM  7 years agoPost 27
RC-Aftermarket

rrNovice

Custer Park IL.

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This is how I connect the EI to the gv-1, Get the futaba male female plugs or tap the connection from the EI sensor, Run the wire to the gv-1, You will have a rpm reading,[

The only difference is with the EI sensor the GV-1 will read 97% the whole engine rotation, (Depending how close the magentic and the sensor are to each other), Except when you come to the magnetic, Then it read 0, Just the opposite of using the gv-1 sensor, that's all, the EI sensor is a n/c switch and the gv-1 is a n/o switch, The pulse is the same to the gv-1, and reads the rpm, and no need for the stator gator, or extra magnetics

Wally
RJX- X90 Z 30cc
RJX X90- C-30cc
Radikal 20 C-30cc
Predator Z-30cc

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08-03-2010 01:01 PM  7 years agoPost 28
Mikarro

rrNovice

tirana-AL

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hi RC-aftermarket
is this your customer support ? why dont you answer my PM
thanks.

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08-03-2010 02:25 PM  7 years agoPost 29
AceBird

rrElite Veteran

Utica, NY USA

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Get rid of the weight of the flywheel and replace it with a big clutch.
I think I said that about two years ago. Whether the mass is in the clutch, the fan or a full circle crank it will act like a flywheel and doesn't decrease the weight of the system. So explain to me how these engines are so light.

I think what is light is the heli and my fear about cramming more power into a lighter package and fixing what breaks is very risky. One must remember that not everyone that buys one of these power houses has the mechanical skills that Bill and Wally have. What is going to happen to a newbie if things are not perfect?

I see some of the changes that were made to the Radikal and I like everyone of them except the belt drive tail which I admit is a personal preference. Hopefully the changes are enough to make up for the increased power.

Ace
What could be more fun?

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08-03-2010 02:33 PM  7 years agoPost 30
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I'm not a fan of the belt driven tail either, but Century seems notorious for offering "upgrades" so I have no doubt they will offer a torque tube "upgrade" sooner or later.

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08-03-2010 04:04 PM  7 years agoPost 31
Zman

rrKey Veteran

Florida

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I'm not a fan of the belt driven tail either, but Century seems notorious for offering "upgrades" so I have no doubt they will offer a torque tube "upgrade" sooner or later
Probably/possibly, to me the belt is fine and works well. Best part is for those with badly tuned helis or electronic failure that meets mother earth, he/she wont have to add a torque tube to list of destroyed parts!

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08-03-2010 04:27 PM  7 years agoPost 32
James Kovach

rrKey Veteran

canton, oh - US

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I think what is light is the heli and my fear about cramming more power into a lighter package and fixing what breaks is very risky. One must remember that not everyone that buys one of these power houses has the mechanical skills that Bill and Wally have. What is going to happen to a newbie if things are not perfect?
That is a simple solution. Some one that knows what they are doing can drop any engine they want into the Radikal 30. The new guy can drop a stock 231 or 26 into it.

*disclaimer: These are my opinions. Agree or disagree, Your Call :)
Let'r Rip Tator Chip

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08-03-2010 05:24 PM  7 years agoPost 33
woody37

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McAllen, Texas

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The new guy can drop a stock 231 or 26 into it.
Excellent advise for gasser newbees. With Century's bigger clutches, stock engines might be satisfactory to most flyers especially to those who lack mechanical skills. From my understanding, these bigger clutches are making these stock engines perform like a modified... I just got my 54 mm clutch in the mail and and curious to see what this Hyper 21 will do.

Woody

A bad day of flying or fishin is better than a good day at work!

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08-03-2010 06:08 PM  7 years agoPost 34
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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From my understanding, these bigger clutches are making these stock engines perform like a modified
I have some beach front property in Iowa I'd like to sell you

Its a clutch not a container of NOX.

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08-03-2010 06:55 PM  7 years agoPost 35
pgkevet

rrKey Veteran

Wales

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I have some beach front property in Iowa I'd like to sell you

Its a clutch not a container of NOX.

Theory is you pullstart like mad and get the energy stored in that clutch and then fly fuel free...

pgk

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08-03-2010 07:42 PM  7 years agoPost 36
woody37

rrApprentice

McAllen, Texas

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Its a clutch not a container of NOX.
Let me clarify my referenced post. It has been proven that these larger clutches are allowing stock engines to perform way better than before (way more than you think). A larger clutch is a container of power transfer. You should know that gasser clutches are beefed up nitro clutches with the same perspective sizes. Nitro heli clutches slip less because of less weight and higher engine RPM allowing the clutch to fully engauge. Gassers are at a disadvantage because of nitro designed clutches. I saw clutch difference performances first hand.

You will see at IRCHA! Then we will talk about that beach front property!

Woody

A bad day of flying or fishin is better than a good day at work!

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08-03-2010 07:53 PM  7 years agoPost 37
Chris Bergen

rrElite Veteran

cassopolis, MI USA

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Gassers are at a disadvantage because of nitro designed clutches.
I'm sure glad that OUR Gasser clutch was designed and tested as a GASSER clutch to begin with....

Be careful when speaking in generalities.. LOL...

Chris D. Bergen

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08-03-2010 08:03 PM  7 years agoPost 38
RC-Aftermarket

rrNovice

Custer Park IL.

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MAKARRO's PM[quote]what's the most important four our engines high speed, high torque or both and why[]

I think lower rpm's (12,200 and lower) and Higher torque is better, If the engine and drive chain can handle it, After flying these engines in my Predator I find that something has changed a bit, I had a 8:1 gr, on my Condor just to do AP, Then I would change it to 6.76, to fly around on, A real pain in the butt, And I usually fly at 11,500 most of the time, I have to kick it to 12,500 to keep it stable higher up,and not to bog to bad.[
With the bigger torque engines what a difference, It picks the load up at 11.500 with no problem, with a gr. of 6.76, and I can just about do anything I want at a lower rpm, and a lower GR, Which also will mean a longer life to the engine & heli parts.

]To be fair, this not just with my engines. It's with the Hanson 29 (28.5cc). But Raja has said here on RR, he is running his 29 at a higher rpm, You should PM him about that as he knows more about that engine then me, And the New 30.5cc Stroker engines Toxic AL is coming out with, The big bore and big bore stroker engines will change the way Heli's are made or they will break, As Century has learned and adapted,[

[/ [/ Getting the drive train right is the most important part of the heli'. Century's bigger Clutch I will not make a stock engine run stronger, because of the engines lower torque & hp, but it will grap better at a lower & higher rpm, So there is a difference with a bigger clutch with a stock engine, No slip, mean more hp and torque to the blades, which makes the engine seems to feel more like a modified engine, then with the stock clutch, (did I get that right)

But what a difference with a big torque engine, Before the big clutch and big torque engines, Guys needed to fly at an engine speed of 13,500, and a gr. of 6.9 to get real performance out of the Radikal 20, with the high torque engines, they needed to run 12,500 and gr of 6.4, because of the clutch did not do the job, With the big clutch that all changed, You can do the same at 11,800rpm, with gr. of 6.4 as with 13,500rpm and GR. 6.9 with no slip, Now that's saying something about the clutch size,
And if you know anything about Bill you know the new Radikal 20 & 30 clutch is his wet dream come true, for sure,:

Wally
RJX- X90 Z 30cc
RJX X90- C-30cc
Radikal 20 C-30cc
Predator Z-30cc

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08-03-2010 08:04 PM  7 years agoPost 39
Carey Shurley

rrElite Veteran

Orlando, FL - USA

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I think we agree that having a clutch that doesn't slip is a good thing.

we probably don't agree that the current clutches in the Predator, Intrepid, Spectra, Radikal 20, and Vario gas models all have serious enough slippage problems using stock motors that changing them will somehow drastically alter the flying characteristics of all of them.

Using the large modified motors is another story. They tend to be pretty hard on some of the std clutches, I ripped the liner out of a std Spectra clutch in less than 5 flights using a 30cc motor. In that case better engagement is important.

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08-03-2010 08:06 PM  7 years agoPost 40
Justin Stuart (RIP)

rrMaster

Plano, Texas

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That is a simple solution. Some one that knows what they are doing can drop any engine they want into the Radikal 30. The new guy can drop a stock 231 or 26 into it.
Why does a newbie need to run a 23cc motor? So long as the modified motor is reliable and runs well, what is the problem with having more power available? Now if a modified motor is temperamental, is difficult to start, misfires, vibrates, overheats, and has a short service life, then I see no reason why a newbie or even a veteran would want to run one of them. But aren't the new modified motors pretty good?

I remember in my nitro days, "YS" engines were what the experts ran, and "OS" engines were what the newbies ran. The YS engines required higher nitro fuel, were difficult to tune, but were supposed to put out a little bit more power. They also tended to burn up easily and needed to have bearings replaced more often. What ended up happening was that people who wanted to be viewed as "experts" would buy YS motors, just to be cool, and so that others would think they knew what they were doing.

I am under the impression that the new modified motors are not just for show, but are in fact more powerful while at the same time running much smoother. It seems to me, therefore, that everyone would want a modified motor--newbies and veterans alike.

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Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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HomeVendor Promoted Content › Hyper Z-30cc EI
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