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HomeScaleAircraftHelicopterScale Model RC Helicopters › Turbine or no turbine - that is the question
01-21-2015 07:19 PM  3 years agoPost 61
ssmith512

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Indianapolis, IN USA

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Wanted to thank everyone for their insight, suggestions and experience. I have been convinced that owning a turbine is nothing to be scared of, and can provide some serious fun and cool factor. With that I have purchased a Jaka 5000 Pro (kero start version of course) and it will be en route to me shortly.

Looking forward to the day it lights up for the first time on the test bench.

Now I just gotta figure what fuse to put it in. I got a pretty good idea of what I want to do, but I am sure you all will be like "Seriously?"

Steve

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01-21-2015 07:52 PM  3 years agoPost 62
MattJen

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UK

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congrats,

Welcome to the smell of Kero in the morning

All The Best

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01-21-2015 08:04 PM  3 years agoPost 63
coptercptn

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Mesa AZ. USA

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congrats!!!

Home of the "Sea Cobra".....

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01-21-2015 09:00 PM  3 years agoPost 64
Rckfish

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Little Rock,AR

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Awesome. Have fun

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01-21-2015 10:11 PM  3 years agoPost 65
G-Limo

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Europe

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Good decision Steve. You just need something BIG to put it in.. What are you considering?

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01-22-2015 01:06 AM  3 years agoPost 66
Calil

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Brazil

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That's great news! Which mechanics will you use?

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01-22-2015 02:58 AM  3 years agoPost 67
ssmith512

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Indianapolis, IN USA

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Thanks all!

G-Limo, Not dead set on anything yet, but have a pretty narrow field. Will more than likely be a Vario, simply because as my first turbine, a Vario turbine specific fuse is a proven package, and I wont have to be learning turbine operation AND trying to custom manufacture something that wasnt originally designed to work together.

On the short list is a Nam era UH-1D. A scale Nam era UH-1D was one of the first RC heli's I ever saw in person way back in the early 80's and is what got me interested in R/C. Would be a nice trip down memory lane for me.

EC-145 in these colors. This bird is relatively local to me, and I am thinking (hoping) that if I begged and pleaded with them, I might be able to get up close and personal with it for superior documentation and detail.

But I am tad afraid of tackling such an extensively detailed subject heli like this for my first big turbine.

And then, being a child of the 80's, I GOTTA have an Airwolf. I know, I know, I know....Airwolf??? So many of them out there, but honestly I dont care. There isnt one anywhere near where I live. LOL! It would certainly be the easiest and quickest build of the birds on my list and probably allow me to enjoy turbine flight sooner, AND flying it in an aggressive yank and bank manner (which I like doing) would be "scale" for that model (as would the UH-1D).

Also maybe considering a 412.

All I know at this time is that the wife will have a cow when she sees a 7 to 9 foot long fuselage sitting in the den! LOL!

It will be a little while before I get a fuse. I want to finish up my Cobra and continue my reading and learning on properly building/setting up a very large RC turbine heli.

Calil - will most likely go with Vario mechanics. Again, a proven package that is matched to the Vario fuse which means less fuss and more fun.

Steve

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01-22-2015 03:03 AM  3 years agoPost 68
Mojave

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Palos Verdes, Ca. USA

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My vote would go to the huey, 212, or 412 varients. I'm looking for the big turbine sized fuse at the moment. It's a little over 7' long.
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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01-22-2015 11:12 AM  3 years agoPost 69
G-Limo

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Europe

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Steve. Whatever the size just never hint you love the thing more than her!!

DG

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01-22-2015 03:30 PM  3 years agoPost 70
buster1

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Manhattan, NY

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Turbine ='s cool!

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01-22-2015 04:35 PM  3 years agoPost 71
ssmith512

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Indianapolis, IN USA

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Steve. Whatever the size just never hint you love the thing more than her!!
DG
Hehe. No problem there. She already knows she is second in line to my Corvette.

Steve

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01-23-2015 07:34 AM  3 years agoPost 72
Calil

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Brazil

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I would go airwolf!

If this don't help you decide, nothing will

Watch at YouTube

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01-23-2015 02:01 PM  3 years agoPost 73
doorman

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Sherwood, Arkansas

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Video!!!!
Hell, that made me want an Airwolf!!!!!!!!!!!!

Gotta add my 2 cents for possible heli's...

Both are Vario (of course!!!)

My first is the AS 350 (so many beautiful color schemes and subjects available)

Then the EC120, which has to be the sexiest heli out there!!

Good luck with whatever you choose, and please keep us posted as you get your build going!!!

Stan

AMA 2918-Team Spin Blades,,Castle Creations, Unique Aircraft

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01-23-2015 02:35 PM  3 years agoPost 74
Mark Spies

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Houston & LaPlace

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Airwolf never gets old seeing.... just plan nice...

Team Can't Get Right Starwood Models

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01-24-2015 12:56 AM  3 years agoPost 75
Double E

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Atlanta, GA

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I vote you build a Vietnam era Huey, that way we can meet up sometime and fly them in formation. Maybe we could find a group of guys and develop a reenactment of the Flight of the Valkyries scene from Apocalypse Now. Pop off some smoke bombs and fly in fast and low. I'd love to do a great noon time demo at Joe Nall or some of the other large RC fly ins. A large turbine Huey has been my dream heli since I got into the hobby about 7 years ago. I've got the fuselage and the turbine but now the work begins.

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02-05-2015 03:43 PM  3 years agoPost 76
ssmith512

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Indianapolis, IN USA

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Newbie question alert!!!

So, I have read the manual for my new Jaka Pro 5000 and while caressing the turbine housing something in the instructions left me pondering. Instructions state the 3S 2500mAh battery pack is "good for 3 flights". Is that 3ea 5minute flights or 3ea 10 minute flights? Obviously there is a huge difference between the two flight times. Can you fellow turbine guys shed some much needed light on this quandary?

Thanks in advance!

Steve

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02-05-2015 04:02 PM  3 years agoPost 77
Phoenix NOTAR

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Tallahassee, Florida USA

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Steve,

I get well over an hour of of very safe turbine run time on the 3S Li Ion battery that came with my "Starwood" edition Jaka turbine. Starting the turbine (kero start) is what really pulls the power out of the battery, not the energy to run the pump and ECU in flight.

I typically fly three to five 10-12 minute flights per day of flying, and I will not even think about charging that battery until I have flown for 2 to 3 days. I also use a Jeti DS-16 radio with a current sensor on this battery showing real-time telemetry (voltage, current and current consumed), so I can be very comfortable with knowing what the actual situation is.

I know many others that have exchanged the 3S Li Ion pack for a more typical 3S LiPo pack.

Sandy

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02-05-2015 04:33 PM  3 years agoPost 78
ssmith512

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Indianapolis, IN USA

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Oh wow, that's quite a bit more run time than I would have expected.

I'll definitely do some testing once I get the bird in the air to determine mA used per minute, but I now know I can safely do quite a few minutes to get a large enough data sample. Will probably do as you and have that pack voltage sent to my TX via telemetry so I can keep a watchful eye on it.

Thanks for that info Sandy, much appreciated!

Steve

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02-05-2015 07:38 PM  3 years agoPost 79
Notar

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Taxachussetts

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3s lipos are inexpensive enough to have a spare on hand anyway.
Joe

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02-05-2015 10:11 PM  3 years agoPost 80
Phoenix NOTAR

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Tallahassee, Florida USA

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Steve,

One more note for you. The Jaka Li-Ion 3s 2500mAh battery that came with my turbine did NOT have any balance connectors on it. I used for a while like that (1 year), but then it annoyed me enough that I opened the shrink wrap enough that I could solder on my own balance leads. The pack was out of balance some, but it did come back into balance, and it has been fine ever since, as now I always charge with the balance leads connected.

Just another reason you may want to start with a LiPo from the beginning.

On the other hand, if balancing is not so important to you, and the Li-Ion turbine battery is buried in the heli (safe chemistry, like a cell phone), it is easy to charge this battery directly form the supplied Jaka on/off switch, which on mine came with a charging socket integrated into it.

Sandy

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HomeScaleAircraftHelicopterScale Model RC Helicopters › Turbine or no turbine - that is the question
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