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HomeAircraftHelicopterCentury Radikal G20-30 N640 Hawk Predator › NO BS on the Radikal
01-14-2010 01:32 PM  8 years agoPost 1
acri84

rrApprentice

covington, ga -usa

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HELP.
I need some real input. I so bad want to get a Radikal. The money is burning my pocket! My delema is that there is maybe one video that shows the heli really flying 3d. And that video is folowed by a bunch of question with regards to its authenticity was it a modified engine this that and the other. I am the type of simple minded person that likes to fly more than work on stuff. And by that I mean I don't want to buy something and have to work on it so I can use it. I can accept a ballpark set up and start from there, but if I got to start modifing this and buying that, well you get the picture.

So is the Radikal a real 3d machine or not? I am not an expert pilot but I am not a beginner so I don't want to get it if it is going to hold me back.

Mike

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01-14-2010 01:41 PM  8 years agoPost 2
Zman

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Florida

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Here you go. Recent video of Bobby S. flying his stock radikal, stock engine. Only change was the gear ratio.

http://www.youtube.com/watch?v=Efnd...player_embedded

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01-14-2010 01:45 PM  8 years agoPost 3
shawmcky

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Isle of Wight,United Kingdom

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A change to a gasser
Will require patience and a willingness to learn the many differences in set up ect.Same with anything new.One thing is for sure, you wont go short on good advice here on RR if you are willing to go for it.

Team- unbiased opinion.K.I.S.S principle upheld here

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01-14-2010 01:48 PM  8 years agoPost 4
Frank Bostwick

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Cincinnati Ohio

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I saw that vid, thought it was pretty awesome. I do not own a Radikal. I own several other Century helis. If that heli was bone stock, it was the skill of the pilot that made it do those good things and he must have had very good collective management skills. The gassers have a weight penalty compared to say a Century NX 50. That leads to a lower power to weight ratio again compared to an NX50. Proof is in the vid, the Radikal can do smack down 3d but if you want to be sure to get there out of the box, a nitro 50 has better power to weight and there for more reserve power for those of us still learning good skills. IMO a 6s30c swinging 500s, electric is even better than a 50 in this regard.

RIP ROMAN

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01-14-2010 01:52 PM  8 years agoPost 5
rotormonkey

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Ottawa, ON - Canada

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While I don't have one myself as yet, I can comment on what I've read about it. I think the general consensus is that it can and will 3d, but due to the additional weight you need to be better with collective management, and it probably won't be as "agile" as a nitro machine.

I expect about the same power to weight as a 30 size nitro ship. Please correct me if I'm wrong.

If it can't hover, it ain't worth flying.

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01-14-2010 01:55 PM  8 years agoPost 6
Zman

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Florida

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I do not own a Radikal
You should have stopped there. The radikal is not a 700 size machine, the engine is not the same one used in the larger gassers, spectra, predator. Until you get your hands on one and see what this engine can do on a 50 size heli, you shouldnt be giving advice to the OP's question. He specifically wants to know the low down on the radikal. Unless you own one or flown one for a period of time, opinions should be withheld.

Z

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01-14-2010 01:57 PM  8 years agoPost 7
shawmcky

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Isle of Wight,United Kingdom

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No doubt
Electric and Nitro still rule the 3d battle,but i reckon gassers are getting there,maybe real fast this year perhaps.

Team- unbiased opinion.K.I.S.S principle upheld here

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01-14-2010 02:26 PM  8 years agoPost 8
Frank Bostwick

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Cincinnati Ohio

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Zman has RULED, I guess I should sign off and beg forgiveness
I humbly apologize for a post so way off topic and ill informed
I should really know better
How is it up there on that high horse?

RIP ROMAN

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01-14-2010 02:44 PM  8 years agoPost 9
Zman

rrKey Veteran

Florida

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Man, someone woke up on wrong side of bed today. My post wasnt meant to start a pissing match, as I do not do those. My point was up until this radikal was released, for the last 2 decades a "gasser" 99.9% of time meant a "90 size" machine (spectra, predator, bergen etc) typically running some form of a G23 or 26. This is the first production made heli designed around the zen 20 and we are finding out that this engine has some guts.
So, as far as what we until now have known as "gassers", I agree with your synopsis. But this is a different size, different motor and we are finding out more and more that it doesnt behave much like the bigger gassers.
Thats all, no high horse here. Please accept my apologies if my post came across as know it all.

Z

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01-14-2010 03:08 PM  8 years agoPost 10
rotormonkey

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Ottawa, ON - Canada

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It did a little, but no hard feelings

That's why I prefaced the post with "I don't own one". In other words - take it for what it's worth (which may be little). I am every bit as entitled to comment as the next guy imo as long as I make it clear that I have no first hand experience.

Nobody was answering the guy directly, so I thought I'd throw out what I'd read on the subject. If it's wrong, by all means correct me. No need to tell me I shouldn't post though.

I understand it's not a 90 size, but it is still a lot heavier than a nitro of the same size. Do you own one? How would you characterize the power out of it when compared against a 30 nitro?

If it can't hover, it ain't worth flying.

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01-14-2010 03:23 PM  8 years agoPost 11
Zman

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Florida

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Hi RM,

I guess what I was trying to say is if someone came on here and asked how do predator, spectras, etc perform compared to nitro, I think these size machines have been around long enough that most people in the hobby know the general consensus is they fly very good but cant compare to power of 90 nitro, well at least for now . This radikal is just totally different in size, different power plant, different head speeds able to run. That is all.

And yes, I do own radikal production number 0001, . It is now a FBL radikal using the century fbl head. The machine is a lot of fun. It does indeed have significant more power than a 30 size nitro which I also have owned.

Anyway, we all enjoy different things in this hobby, one of the things that make it more enjoyable. Personally, I havent met a heli I didnt like!lol..............wait a minute, there was that Nexus thing I owned in 1994 or so. ugh.lol

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01-14-2010 03:34 PM  8 years agoPost 12
Frank Bostwick

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Cincinnati Ohio

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Its all good in the Century Family
My responce was knee jerk Ida been better to hold my breath
All good here

RIP ROMAN

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01-14-2010 03:41 PM  8 years agoPost 13
Zman

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Florida

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01-14-2010 03:48 PM  8 years agoPost 14
Frank Bostwick

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Cincinnati Ohio

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Just for the record, I did note that I did not own one but will say I have followed its release closely and read every post on every thread on the subject.
I also stand by my post as accurate. If you are beginning in 3D, as I am, and want to buy 1 heli that is best able to get thru most or all of the maneuvers, a heli best suited for a beginning into real 3D, I highly doubt the Radikal it the best choice. Personally I think a 500 class or higher with a power system 6s or above that can handle 30-35c discharge rates, has the best power to weight and therefore the most ability to get my axx out of trouble.
That said, I am really considering adding a Radikal to my fleet as its the only 50s size choice, easy on the gas budget and clearly, in the right hands, CAN get thru 3D maneuvers.
I took the OPs main point to be, "If I can only afford 1 heli and want to learn 3D, is the Radikal the best choice". My opinion is no.

RIP ROMAN

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01-14-2010 03:58 PM  8 years agoPost 15
James Kovach

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canton, oh - US

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First off, to the OP, that video you are referring to is NOT a Radikal G20.

Now for my no BS opinion on the Radikal. I am not going to type it all up. I will just give you a summary. I am putting the finishing touches on my review of the Radikal and that should be online in the next couple of days. So here is what I think of the Radikal.

If you want to compare it to a Nitro 50, then I would say this. The Radikal can do everything just as well as a Nitro 50 right up that "Crack on the Deck 3D" stuff. Not that it will not do it, it just does it differently. In the "Crack on the Deck" 3D you will loose the quick and sharp direction changes. BUT, that could change with a good modified engine.

Now if you are into "Big Sky eating Aerobatics", IMHO, I think the Radikal is better than a Nitro 50 in that aspect. The little extra weight goes a long way in this type of flying.

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

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01-14-2010 04:33 PM  8 years agoPost 16
James Kovach

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canton, oh - US

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FBoss,

I dunno about that. I think a Radikal can pull you out of trouble just was well as any other helicopter. It might appear that it cannot because of the "speed" at which it does it, but make no mistake, it has more than enough power to get you out of a bad situation.

Another thing to consider too. No one has yet to post a video of a Radikal flying the best that it can. I say that for a couple of reasons. First off, the Century videos were done on the 6.4 gears. The 6.9 are much better suited to the stock engine and make a considerable difference on the Radikal performance. Then there is Bobby's video. While is it showing it off quite well, there still are some tweaks he need to do to get the last bit out of his Radikal. If I put a percentage on it, I would say his was flying at 75% of what it could be. And finally, no one has seen the max power/torque of the Zenoah 20cc in a Radikal yet. It can take anywhere from 4-6 gallons of fuel through the engine before it is fully broken in and the ring seats. I am not aware of anyone that has that much fuel through the Zenoah 20cc in a Radikal at this point. As you approach that 4-6 gallon point, the engine will continue to make more power and torque. Enough that it is very noticeable.

Just some food for thought.

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

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01-14-2010 09:55 PM  8 years agoPost 17
rccarguy

rrVeteran

Boston MA

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I understand it's not a 90 size, but it is still a lot heavier than a nitro of the same size. Do you own one? How would you characterize the power out of it when compared against a 30 nitro?
Heavier than a nitro of the same size, yes, but not by as much as some might think. One day at the field we were comparing it to a 700N that one of the guys was wringing the daylights out of, the weight felt to be about the same, so it's heavier than a 600, about the same as a 700 nitro.

I have a Rappy 30 and my Radikal has WAY more power than the Rap with its OS 37. I find it more comparable to my Rappy 50 with OS Hyper, the flying characteristics are very similar. Other than the additional weight of the Radikal, it will do everything the R50 will do, just a tiny bit slower and more deliberate I feel.

Compared to my Spectra G, the Radikal feels far more like flying a nitro machine than a gasser, forget all the preconcieved notions of what a gasser can and cannot do, the Radikal doesn't fit the mold.

XCell Spectra G
Radikal G20
Some obsolete nitro helis too...

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01-14-2010 10:15 PM  8 years agoPost 18
rotormonkey

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Ottawa, ON - Canada

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No kidding.. I stand corrected. Now I REALLY want one

If it can't hover, it ain't worth flying.

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01-14-2010 11:40 PM  8 years agoPost 19
James Kovach

rrKey Veteran

canton, oh - US

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It is the whole flying on RPM vs flying on Torque thing. It is so hard to explain to someone the differences between those two. You just have to fly one to see it for yourself.

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

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01-15-2010 12:23 AM  8 years agoPost 20
Billme

rrElite Veteran

MS

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And just think we haven't even put the hot engine in it yet, hehe

Let her rip tatorchip

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HomeAircraftHelicopterCentury Radikal G20-30 N640 Hawk Predator › NO BS on the Radikal
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