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HelicopterMain Discussion › Outlawing Big Blocked 30 & 50 size helis?
03-31-2005 11:27 PM  13 years agoPost 121
Gearhead

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Vt

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when someone says they are worried about the safety of over powering a heli with more than twice the power it was designed for shows maturity "NOT" ignorance, I would say ignorance is NOT being concern and NOT being mature about it all.

Jim

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03-31-2005 11:35 PM  13 years agoPost 122
AirWolfRC

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42½ N, 83½ W

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Well, Wasp, since you didn't design it and you weren't in on the design, I really don't see where you get off making such a statement.

Are we to believe you to have an engineering degree or similar experience or just simply against it because nobody has done it before ?

That's not what I call maturity.

Wolfgang

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03-31-2005 11:44 PM  13 years agoPost 123
Gearhead

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good come back Wolfgang !!


Jim

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04-01-2005 12:10 AM  13 years agoPost 124
MJWS

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Airdrie, AB - Canada

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Parts of the heli will be over engineered. Parts won't be. The parts under more stress will be strengthened. The others won't. The designers intent isn't relevant, simply because those parts found lacking will NOT be used. This in no way shows lack of concern or immaturity.

Why is it that people are so quick to discredit the work of others? Lots of time energy and testing has been done here. It isn't JimBob with a roll of duct tape and a few zip ties. It costs money to engineer and mass produce these parts. You can be damn sure someone has put in the effort to make sure they will work. It won't be perfect, but it's progress.

The reality is there is huge demand for lighter more powerful ships. There always will be. Even the birds from a few years ago don't enjoy the power to weight we have now. They'll only keep getting better.

Take a look at the gasser phenomenon. Lighter and more powerful with every iteration. Glow is doing it too; only they do it overseas where people are quicker to put a premium on weight and quality instead of cost and displacement. Seen an electric lately? Getting better every day (same platform )

A couple years from now we'll sit back. Have 5HP in our 8lb ship and laugh at these threads that worried about an extra HP and a couple oz's.

Mike

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04-01-2005 12:12 AM  13 years agoPost 125
MJWS

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Airdrie, AB - Canada

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Heh. You guys are way too fast. I was gonna slam that one home as well, Wolfgang

Mike

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04-01-2005 12:12 AM  13 years agoPost 126
Gearhead

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""where you get off making such a statement"" from reading the complaints of Raptor owners,,,


TR hub sucks (thown bladegrips anyone?)

He hit the ground very hard! and caused over £300 worth of damge and that is just because a £4.99 taill hub snapped

He also knows someone at his other club who had about 6 tail hub failures in about 6 months

Head block wobbles after short time

Stock metal swash has play in it from start

Washout base sloppy on mast from day one

upper bearing develops slop quickly in plastic side frames so whole mast can be moved side
to side

weak std flybar rod

poor tail rotor/gearbox design, can lead to in-flight failures

R50 V2 pinion gear too small, leading to bearing wearing away pinion

pins (washout & elevator) can come out

Canopy needs fixing to front skid, otherwise it'll crash your heli by jamming the elevator control

Swashplate (whether the metal one or plastic one) is not good.

The Raptor's parts didn't seem to fit as nicely as the Evo's, with some requiring some work to get them to work properly

The orginal rudder linkage sucks

The tail rotor hub sucks, it has jumped off tree times for me now

http://runryder.com/helicopter/t134...+and+bad+things


and you want to put a 90 in this heli ???,,,, not me !!


Jim

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04-01-2005 12:40 AM  13 years agoPost 127
MJWS

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Airdrie, AB - Canada

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Too much work there Colin. Stick it on a Hawk Sport and Jim will be happy

Mike

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04-01-2005 01:02 AM  13 years agoPost 128
Gearhead

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NOT,,, I don't think a 90 should be put in any of todays 30/50 !!

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04-01-2005 02:53 PM  13 years agoPost 129
AirWolfRC

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42½ N, 83½ W

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I take it that you will NOT be at the next Big Block Fun Fly ?

Then again, hopefully you will to see what it's all about.

Wolfgang

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04-01-2005 03:32 PM  13 years agoPost 130
FLYINFOOL

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Cudahy, WI

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Like I said in an earlier post.
It was not that long ago that this same discussion arose over the insane idea of putting an OS 46 into a R30V1. The same went on about putting a 70 then an 80 or even a 90 (heaven forbid) into a 60-size ship.

Where are we now, the naysayers are all flying these "death traps" of a few years ago.

As soon as TT, or any other mainstream manufacturer, sees that there is a demand for this, you will see a conversion kit for a 50 to 90 in all of the popular brands.

This is called progress, it starts with some hacker in his basement coming up with an idea, then moves to some small aftermarket company doing it a little better with some actual engineering involved (this is where we are now on this issue), and last by the big companies jumping on the bandwagon, but only after the market demand is already there.


Jeff Borowski
RAMS Club President
www.ramsrcclub.com

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04-01-2005 03:46 PM  13 years agoPost 131
RotorX

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London

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Planker's have been doing it for years - so what, so now the heli scene is doing it ...............again i say, so what?

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04-27-2005 09:29 PM  12 years agoPost 132
blade3d

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New Jersey USA

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Am for it let it rip,,,,,,,,,,,,,,,, let the wimps whine. think i'll be getting a big block soon.

Blade3d
Rupert

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04-27-2005 09:52 PM  12 years agoPost 133
heligoole

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yorkshire,uk

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modified engines...... its called COLLECTIVE MANAGEMENT!!!!!!!
this is true when winds are calm...yes collective managed properly will suffice,but try your collective when caught in a downdraft inyour 30...they do,however bounce ,quite well!!!!!!!!50 size pull up much sharper..its like driving a corsa standard then overtaking ...keep that pedal to da metal...but a more powerful car slides past..no struggling...what im trying to say is get some POWWER!!!!!!!!!!!

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04-27-2005 09:54 PM  12 years agoPost 134
Gearhead

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well, I can tell you this, I have talked to a few dealers that have icons on RR, and I was told they will not carry nor sell these kits, because they feel the setup is unsafe,,,

and as for over powering a plane, if your read around you will find that many flyers have pulled their motor's balk-head right out of there plane's by over powering them !!


Jim

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04-27-2005 10:44 PM  12 years agoPost 135
AirWolfRC

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42½ N, 83½ W

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and as for over powering a plane, if your read around you will find that many flyers have pulled their motor's balk-head right out of there plane's by over powering them !!
That's what happens when you're dumb enough to think you can just hang a bigger block and call it done.

Wolfgang

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04-27-2005 11:12 PM  12 years agoPost 136
zoom boy

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N.E. Lincolnshire UK

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Hehe, the "its dangerous, but I have no reasonable reason" responces here are just hilarious.

Right, putting a 90 in, will NOT put more torque than a 30/50 on anything as long as you maintain the same headspeed, blades and pitch range as before.

If the RPM is the same as before, then the torque the engine is imparting on the airframe components is the same.

eg, If you where running 1600 when it had a 30, and you are still running 1600 with the same pitch settings and blades, then the engine is still generating the same torque, the only difference is that rather than the 30 running at 100% power the 90 will be running at 33%

If you combine this with a govener maintaining 1600 then it will never bog down even under load because the govener will just use some of that untapped power.

The ONLY time you will be putting more torque on anything is when you either run a higher headspeed, have longer blades or pull more pitch.

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04-27-2005 11:24 PM  12 years agoPost 137
blade3d

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New Jersey USA

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The way to sum it up is some of us have testastorone,, hope I spelled it right with a little estrogen, again hope I spelled it right but then again most men don't care much about spelling just as long as you get the point,,ooops drifting,, anyways I think the hair splitters have too much estrogen,, give me big block he he he .

Blade3d
Rupert

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04-27-2005 11:39 PM  12 years agoPost 138
MJWS

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Airdrie, AB - Canada

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Heh Zoom.

More torque would be the point. More pitch would be the point. More g's would be the point. More fun would be the point.

If you play hard.... things break. It was 'unsafe' to get out of bed, who cares?!

Rupert has it nailed.

Mike

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04-28-2005 12:08 AM  12 years agoPost 139
chaddotcom

rrApprentice

Living in the moment

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Well put MJWS. I hurt myself more getting out of bed than I do when I fly with a 90. I have nearly broken my toe just getting into bed.
To make a point here, I once ran out of fuel...My heli was sort of far out and low to the ground. As I noticed that I was out of fuel, the engine quit and I did everything in my power to gain altitude along with some forward flight to get out of the way at our club parking lot. Long story short... I barley hit a car! I was flying with a 30 size heli. **** HAPPENS. 30, 50, 60 or a 90. lets face it. These choppers are dangerous. If you are not able to properly maintain your bird or have the common sense to fly safely... Damage will be done no matter what size engine you have. I would love to hear all the Oversized engine problems to the mainframe that were specific to being oversized. My guess is NONE! Unless it was improperly maintained. If we all payed more attention to our machines, we would have much less inflight failures. We all know of someone that has had an in-flight failure due to impropper maintenance. I have seen it all too many times.

Can we please close this post!!! Its getting repetitive. I cant stand the ignorance when people want to draw a line in this hobby. Immagine if we never went to the moon because it was dangerous. Imagine if GPS Satalites were never launched into space because it was dangerous. Danger is a part of everyones life. If you dont like it... Dont by the big block... If you fly with someone who does like big blocks... Just go home! Dont bother the people who want to have fun. FYI do you think R/C Jets are dangerous flying at 250 MPH? Then dont watch. All I can say is that there are more people interested in our hobby when its fast, or flying crazy!!! Lets promote that with saftey in mind!!!

Oooops one last thing. I think its more dangerous if someone turs on their radio with the same channel when you are already flying. Why dont you take your energy to the radio manufactures and let them know about spread spectrum frequencies and channel hopping. It will probably never happen but it would be a good start to a safer hobby.


FLY Safe!

Chad

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04-28-2005 12:34 AM  12 years agoPost 140
korzry

rrApprentice

Fort Collins, CO

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There is a lot of speculation on here about the safety of the big block conversion on here from people who haven't seen it or flown it. People have bought the kits, so ask them what they think.

I'm flying one with a 61 in it. I haven't had a single issue with it in the 5 or 6 six months I've been flying with it. Two other guys have them and run 90's. Again no problems other than dumb thumbs. A 4th isn't using the big block kit, but is using the R50 mechanics and drivetrain in custom frames, along with the same grips that come in the big block kit. After a year or so, there have been no failures.

We all abuse our machines pretty good, and I can guarantee there has been plenty of in-flight stress testing.

What more do you want?

Ryan

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HelicopterMain Discussion › Outlawing Big Blocked 30 & 50 size helis?
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