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Got Jet Fuel? Turbine Helicopters > LM odyssey
 
 
mh53boy
Senior Heliman
Location: scotland

Hi guys,can ayone tell me how the odyssey with the jako pjw r turbine runs and flys and would it be power full enough for the lm huey.looking to get into turbines but want to make the right decision as want to go scale.

thanks.
09-25-2007 08:18 PM
 
 
Havoc
Key Veteran
Location: Ky.

It will throw the huey around like a rag doll.
09-25-2007 08:27 PM
 
 
mh53boy
Senior Heliman
Location: scotland

lm odyssey

Well thanks for that input thats what im looking to hear.Are you speaking from experience.

thanks.
09-25-2007 08:30 PM
 
 
Havoc
Key Veteran
Location: Ky.

Yep. Mine is flying but needs a lot more detailing. Actually mine is the Jak-Pro but it feels like a sport heli in the air.

09-25-2007 08:36 PM
 
 
mh53boy
Senior Heliman
Location: scotland

lm odyssey

Awesome man just awesome what is the difference between the jako pro and the pjwr.what blade size are you running.great pic.

thanks.
09-25-2007 08:39 PM
 
 
Havoc
Key Veteran
Location: Ky.

Thanks. The blades are labled 2160mm the way vario labels them but are around 950mm from tip to bolt. I'm not really the one to ask about the differences between the two turbines since I only have experience with one. The guys at Starwood would be better at that. The Pro has more power but as I understand it is more than you need for the Huey. I'm running the turbine rpm a little below its 93000 to get the headspeed I want. I do know it doesn't fly like a heavy helicopter. It feels like you can just push the nose over and drag race it but pucker factor has prevented this test . I try to keep it smooth and scale. But I've been working on this since February and have kept it a secret from the locals until recently. I'm actually looking forward to winter this year so I can finish it.
09-25-2007 08:56 PM
 
 
mh53boy
Senior Heliman
Location: scotland

lm odyssey

Thanks for the input,cant wait to see your huey all scaled up and a flying clip or 2 would be great.What head speed are you getting,did you convert it from the bottom mounted turbine?

thanks.
09-25-2007 09:18 PM
 
 
Havoc
Key Veteran
Location: Ky.

I'm using the Len Mount mechanics and the turbine was top mounted. I didn't run it in a pod and boom first. This is my first scale project so I may not have gone the conventional route. The headspeed is about 970 rpm. It makes a nice huey thumping noise but just a little faster than the real thing.

When you get closer to getting the huey I'll send you some of the things I learned and problems/solutions I found to make your build faster.

Heliraptor also did a nice buildup thread on here. I think his is almost done.
09-25-2007 09:53 PM
 
 
mh53boy
Senior Heliman
Location: scotland

lm odyssey

Thanks for that havoc any help or advice will be greatly appreciated.

thanks.
09-26-2007 07:55 AM
 
 
lrogers
Key Veteran
Location: Mobile, Al

Havoc:
from the looks of that mount under the belly, it looks like you are doing a gunship. Am I correct in this assumption? If so, are you doing the one that had the rocket pods and twin machine guns? The LM turbine Huey dons as a gunship is my "dream machine"!

Larry Rogers - R/C Helicopter Pilot
09-26-2007 01:13 PM
HOMEPAGE  
 
 
Havoc
Key Veteran
Location: Ky.

It will be a gunship but the huey I'm modeling it after doesn't have the machine guns. I will have door gunners. I would like to try making articulated machine guns that actually move around but that will need to be another project. That would be cool.
09-26-2007 01:48 PM
 
 
mh53boy
Senior Heliman
Location: scotland

lm odyssey

very nice havoc it will look the buisness.
thanks
09-26-2007 06:37 PM
 
 
andyman_sfSenior Heliman - Location: -


This sucker is 35lbs fully fueld. I don't think you'll have any problems with the Jaka turbine lifting your Huey. The turbine in this is the standard one and not the pro.
09-27-2007 08:31 AM
 
 
mh53boy
Senior Heliman
Location: scotland

lm odyssey

Hi Andy man,very nice its good to hear other people using the Lm and jako pjwr set up.How does it fly with the multi blade set up?Any vid clips?

thanks.
09-27-2007 09:13 AM
 
 
Heliflyer69
Senior Heliman
Location: Norcal

Yes please..we want vids!

Xspec/YS91
600N/Hyper 50
99SE/YS91
450SE
02-28-2008 04:15 AM
 
 
OblongMushroom
Heliman
Location: IL

Hey Havoc. Nice Huey! I currently building the same setup. What rpm did you go with on the ECU setting?
03-29-2008 06:39 AM
 
 
Havoc
Key Veteran
Location: Ky.

If you use the R22 head then you will need to be under 1000rpm or you risk having the head blow up. Not a relaxing thought when you are probably accustomed to flying 1750+. But other than feeling comfortable with looking at a slow headspeed, it has no negative effect on flying. From talking to Starwood, what helps make it fly well at the low headspeed are the OF tail blades. I never tried it with any other brand but I am told that prior to the OF blades the tail was a little weak. I have plenty of tail authority even though they rotate in the scale rotation for the Uh-1c. I think I last set it around 950-970 but it's been down for a few months as I finish the detailing. On the Jak Pro that puts you at a setting of around 91 I think.
03-29-2008 06:49 PM
 
 
MattJen
Elite Veteran
Location: UK,Gravesend, Kent

Andy
Lovely machine, I want one !!!

Reading the Len Mount web page on Starwood they say the following

Turbine not recommended:
We have received several questions as whether the Dauphin can be built with a turbine engine and mechanics. In our opinion it is not recommended. From a physical point of view the Jakadofsky turbine and Len Mount turbine mechanics could fit into the fuselage. The fiberglass exhaust tubes cannot be used to vent the exhaust from the model turbine. What is needed is to cut large 4" [10cm] holes in both sides of the fuselage and use a 'wye' style exhaust manifold. Have a look at the Kiowa fuselage and you will see what we are talking about. The other major issue is that the exhaust holes would need to be in the tail boom section just past the rear of the cabin, which would greatly reduce the strength in the tail boom and potentially cause a failure at this location.

how did you get round this with the JAKO, reason for asking i am very interested in the Dauphin as it has a good fenestron

Matt

I bought my Mother-in-law a chair for xmas, but she wouldn't plug it in
03-29-2008 08:21 PM
 
 
fredd
Senior Heliman
Location: UK - London

Matt, if you really want the best Dauphin available for turbine you should contact cinescale
http://www.cine-scale.com/GAZELLE%2...S%20ANGLAIS.htm
03-29-2008 08:40 PM
 
 
MattJen
Elite Veteran
Location: UK,Gravesend, Kent

fred
thanks for the link, i thought cine scale only did scale accessories not full fuses,

thanks a lot for the link i will study and look at more info

i just hope we get some decent weather soon, sitting on here most of my weekend is doing my head in, i miss smell of kero in the kero in the morning, i even took lighting some in a jam jar lid to get over my addiction of JETA1

Matt

I bought my Mother-in-law a chair for xmas, but she wouldn't plug it in
03-29-2008 10:17 PM
 
 
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