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CarbonXtreme . Midland Helicopters . HeliProz

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Thunder Tiger Raptors 30-90 - Imperio > What gets more flight time per dollar, electric or gas?
 
 
Tday
Key Veteran
Location: Needham, MA

My Posts This: Topic  Forum

Right, but if you read my post carefully, i find the Lepton performs as well or better than my 90. So it's not a Raptor 30 to a Raptor 90 comparison---an obviously inappropriate comparison. So my *context* was that I consider them equivalent performers (actually the Lepton better)---i.e. *meaningful* depends on your equivalence. btw, I would not consider the 600 equivalent to my 90---it's power to weight isn't there, though it *is* bigger than a Lepton.

So that was the point---where you stand on this depends on where you sit.

Tom
PS: Electrics---at least in the 500 size, are clearly changing the calculus of what it means to be equivalent. If you have occasion to try one, you'll know. Power to weight is something else.

2 + 2 = 5 for extremely large values of 2.
03-17-2007 Over year old.
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mcfast
Key Veteran
Location: Canada

My Posts This: Topic  Forum		"What gets more flight time per dollar, electric or gas" do you mean nitro! because with my Gasser, I can get over 3 hours of flying on a gallon of gas at $4.00 a gallon, now that is cheap, electrics cant get close to that.
03-17-2007 Over year old.
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Tday
Key Veteran
Location: Needham, MA

My Posts This: Topic  Forum		I don't think anything can touch that on pure economy. And there are some very nice gasser ships out there.

2 + 2 = 5 for extremely large values of 2.
03-17-2007 Over year old.
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vic88my
Heliman
Location: Malaysia

My Posts This: Topic  Forum		$4.00 per gallon, so cheap? May I know what brand and how much % nitro in it ? I used to play nitro cars and it is near to $20 per gallon.

Is the heli flyable with so little nitro ? Will it spoil the engine ?
03-17-2007 Over year old.
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GimbalFan
rrProfessor
Location: Copter County, Nv

My Posts This: Topic  Forum		Vic, there's 2-stroke nitro engines which are specifically designed to use fuels with a blend of methane and other ingredients to achieve the highest possible HP output at the lowest possible weight.

There's also what are called 'gasser' engines which are designed to use less exotic and therefore less expensive fuels like camp stove fuel, etc. They get much longer flight durations but the trade off is that they're heavier and output less HP for their weight and size. Heli's fly well with them but are less capable of the snappier head-turning 3D maneuvers that nitro helis are known for.

op-thwõp-thwõp-thwõp-thwõp-thwõp-thwõp-thwõp-thwõp-thwõp-thwõp-thwõp-thwõp-t
03-17-2007 Over year old.
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vic88my
Heliman
Location: Malaysia

My Posts This: Topic  Forum		ok, I get you now. I supposed you mean gasser are those big 25 cc engine etc. But, In Malaysia most non electric helis are nitros and no gassers, that is why we use nitro fuel.
03-17-2007 Over year old.
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firefox
Senior Heliman
Location: Thailand

My Posts This: Topic  Forum		Well, that's really what I'm saying. If people don't actually establish a standard for comparison, then anyone could say "XXX is to me comparable to XXX", and do cost comparisons. I just say, at least get the size and performance to be the same, then no one can argue that they're in a different league (and be correct). Size *does* matter, and so does performance, the same way we don't compare the fuel economy of motorcycles to SUVs, it's just not meaningful.

This the reason why people can get strange configs like gassers and 0% nitro and uber-cheap batteries into the mix. They *work* but they're not the typical configs that people would be expected to use normally for performance.
03-18-2007 Over year old.
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Tday
Key Veteran
Location: Needham, MA

My Posts This: Topic  Forum		yawn.
03-18-2007 Over year old.
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firefox
Senior Heliman
Location: Thailand

My Posts This: Topic  Forum		That's right, insults always work well to help further the forum. A standing ovation to you!
03-18-2007 Over year old.
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nivlek
rrProfessor
Location: Norfolk England

My Posts This: Topic  Forum
Quote 
NO MICRO HELI is good for learning!!!

That's well worth repeating , so

Quote 
NO MICRO HELI is good for learning!!!

At the end of the day , it gets dark .
03-18-2007 Over year old.
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Old Red
Senior Heliman
Location: Borrego, California

My Posts This: Topic  Forum		Fuel for the fire:

http://www.runryder.com/helicopter/t333085p1/

Go nitro!

Red
03-25-2007 Over year old.
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fredwally
Heliman
Location: Melbourne, Australia

My Posts This: Topic  Forum		Any advice?

I am learning to fly with a micro electric. All i could afford.
What is the best way to go with about $700US?
03-30-2007 Over year old.
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Toy4therock
Heliman
Location: Phoenix,az USA

My Posts This: Topic  Forum		Gas or electric replie

I think its alot more a matter of choice.Once you get past the amount your willing to pay for a RC heli.Based upon what you want the heli to do performance wise.IF your at all skilled enough in the first place.The smaller units are less expense usually and alittle more difficult to fly for good reasons.Its a tough call for which is better? When you look around these days even try to find a gas heli compared to the hundreds of all electric for this fast answer.Run time all depends upon the heli and the motors to battery pack/s and quality etc.No doubt nothing will run as long as a gas unit with a large fuel cell for what a heli will hold.As for batterys all RC vehicles have ALWAYS had batterys to at all work to not at all.When without the electronics they wouldnt be remote controled period.What your batter asking yourself is what are the main to major differences of these helis.To exactly what do you want from yours? When all I can try to tell you is this.I went to buy a heli back when thats all to be had period.Only to be asked to assumed I was some type of a RC pilot.To quickly answer back say what and no to all the above or below to anything RC controled.To be quickly told you really want to start with a car of electric type.When back then the gas cars were alot more money.So time passed and I found myself happy for his good advice! When alot of time and much more for learning to simply drive a buggy! My god ID crashed many helis no doubt!But the day came I took a 2nd place in a six week indoor offroad race only in the open class event.With a newly rebuilt car using acouple original parts being it.Armed with a car that would run a full 45 mph and take corners in a full sideways all dirt roosting style.Like a full five feet into the air of all dirt! I was the only one at that track with ether car to talent to run the corners like a sprint car!Point I want to make.Being this one,when I could drive my stock buggy well to race.However with the open class car.It was almost like learning all over again!I just picked up alot faster like ready for my first open class race within two weeks.IF I could tell anyone anything for the RC world for those who simply dont know.IT would be start out slow and small.Crawl before trying to run!Buy a flight simulator program with the same control box or really close!Spend alot of time on it first.Then get someone to help setup your heli so its ready for flight.Then reguardless of how you fly the screen unit.Take it slow till your in the know for real time and flight without the crashes!Adding to cash and alot depending on how much that crashed unit cost and anything gas is more $um to burn.Last electric run plenty long enough to do what anyone should want.I love gas engines of all types and sizes!Have all my life from a child.But I see the need and how well electric does work and so should you if you have done your home work.
12-11-2008 12:51 PM
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DIJ
Heliman
Location: Folkestone,Kent - UK

My Posts This: Topic  Forum		I have a raptor 50 & 90, along with a T-Rex 600e and I fly the rex far more than the nitro's. Why? Simply because I can pick up the rex, stick a lipo in (lipo's retain their charge, unlike Nicads/NiMH so there's no top up charge to do) and be in the air in a few minutes. Where as with the nitro’s I have to take starting equipment, fuel, etc and it also takes time to fuel up etc.

So for spending some time at the field, with the increased flight times and the added 'buzz' of flying a nitro, I would say the nitros are the best choice, but if, like me, you like to fly when the mood takes you then you can't beat an electric heli.

Bottom line is that most people will buy both at some point anyway
12-11-2008 01:52 PM
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USNAviationjay
Elite Veteran
Location: Sugar Land Tx USA

My Posts This: Topic  Forum		Holy wall of text! TLDR..

man this thread was way over a year old.

NextD Rave, T700N x2, Velocity 50, Trex 250
12-11-2008 02:21 PM
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DIJ
Heliman
Location: Folkestone,Kent - UK

My Posts This: Topic  Forum
Quote 
man this thread was way over a year old.

True, but many flyers search older posts for information
12-11-2008 03:28 PM
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Ben-T-Spindle
rrProfessor
Location: Central Illinois

My Posts This: Topic  Forum		With the introduction of low cost high efficiency motors like Scorpion makes and the use of A123 batteries electrics are less expensive to fly.

A123 batteries are Lithium Phosphate LiFePO4 (sometimes abbreviated as LiFe) technology and can be charged in less than 15 minutes. They are actually good for 1000 cycles of very hard flying and over 2000 of normal flying. They are about 1/3 the cost of LiPo batteries. The only down side is that they don’t yet come in a very wide variety of cells and they are heavier than LiPo. Also no cooling required before charge (with LiPo you have to cool before charging).

I have just finished my first Raptor E620 with a Scorpion motor and A123 battery (10s2p configuration). I only have a few flights. It’s a little heavier than my Raptor Titan but has slightly better performance.



... BTS
12-11-2008 04:08 PM
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USNAviationjay
Elite Veteran
Location: Sugar Land Tx USA

My Posts This: Topic  Forum		The problem with A123 is noone makes them and sells them ready to fly in sizes like lipos.

So that makes people have to build thier own from used powertool packs on ebay.

I for one wont do that.
If I buy a battery I want to solder ends on it charge and fly.

when they become mainstream and I can buy a Flightpower version from readyheli. then A123 will have arrived.
Until then its for just the super techy crowd that is looking for a bargain.

NextD Rave, T700N x2, Velocity 50, Trex 250
12-11-2008 04:26 PM
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Ben-T-Spindle
rrProfessor
Location: Central Illinois

My Posts This: Topic  Forum		Battlepacks.com has A123 pack in any configuration that you want.

... BTS
12-11-2008 05:02 PM
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USNAviationjay
Elite Veteran
Location: Sugar Land Tx USA

My Posts This: Topic  Forum		That is really overly complicated..
I just looked at that and I'm even more confused than I was.

I know a Gaui 550 needs a 6s 3300 lipo.. because that's the ideal size and weight and output that is made for that bird.. how on earth do you figure out weights.. sizes and how much power..

this is too complex.

NextD Rave, T700N x2, Velocity 50, Trex 250
12-11-2008 05:12 PM
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Thunder Tiger Raptors 30-90 - Imperio > What gets more flight time per dollar, electric or gas?
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