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HelicopterScale Model RC Helicopters Docs  Hirobo Lama SA-315 Electric Conversion
05-23-2011 06:11 PM  6 years agoPost 21
fireblade48

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Silsbee, TX.

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thanks
[size=small] Garyl, hey thanks man for the info. Guess i should not fly it untill i get a stabilization system onboard as I really dont wish a crash. These kits are hard to come by. I guess you did see the video????

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05-27-2011 02:25 AM  6 years agoPost 22
fireblade48

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Silsbee, TX.

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Video
Hey Tom we are still eaiting for your forward flight video. Hope you post it soon. I bet it looks and sounds awesome.

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06-06-2011 11:55 PM  6 years agoPost 23
fireblade48

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Silsbee, TX.

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Foward Flight Video
Yesterday June 5th we flew the Lama with the Scale head. 3 blades and it was nice seing it fly but looked like a handful without any stabilization system. I did hover the heli after chuck flew it and it wasnt the cyclic monster I thought it was. Still for me it flys bettr with the 2 blades and fly bar..... Anyways Chuch will post the Video soon

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06-07-2011 12:29 AM  6 years agoPost 24
payne1967

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uk

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try reducing the cyclic throws and it will fly better without stabilization

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06-08-2011 03:57 AM  6 years agoPost 25
heliflyer7

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North Carolina

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Great to see continued Lama interest.

See mine at: http://www.youtube.com/watch?v=EWboR6TjJvU

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06-08-2011 04:01 AM  6 years agoPost 26
csc

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Cave Creek, AZ

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Thanks for the pics! What motor mount did you use? Looks like plank mount?

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eShuttles

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06-08-2011 04:05 AM  6 years agoPost 27
heliflyer7

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North Carolina

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A heavily modified Dave Brown .46 size. Lots of cutting and grinding to the circular base to get the correct height relationship to the clutch bell.

All the specs are on my youtube video link.

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06-08-2011 04:09 AM  6 years agoPost 28
heliflyer7

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North Carolina

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06-12-2011 02:30 AM  6 years agoPost 29
FloridaHeli

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jacksonville, florida

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eLama 3 blade holder by Align
Those of you with the 3 blade head and wood asymmetrical blades may get a kick out of this Align AGNH60145 Mini Blade Holder for all 600, #H60145T.

I won it at a field raffle last week and modified it for my eLama with Chuck Nowell electric conversion.

This hobby is WAY too expensive!!

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06-12-2011 04:25 AM  6 years agoPost 30
heliflyer7

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North Carolina

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Hi Florida Heli,

Don't know if you've considered this or not, but if you're flying with the stock blades, I think they're 476 mm woodies??, you'll realize better stablility with longer, less flexible blades. This is particularly true with the extra weight from the econversion, which increases the disk loading.

I'm running 530 mm Heli-Max carbons which are no longer available. I believe others are running up to 550 mm which seems to work great as well.

Jack

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06-12-2011 07:44 AM  6 years agoPost 31
fireblade48

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Silsbee, TX.

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hey
Glad to see this thread grow and grow.....lol So have a question. The woodies from Hrobo are listed as 476mm blades. Are you saying longer blades will tame the cycclick response? I hovered fine aound a bit but that all. Should I get longer blades.

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06-12-2011 02:11 PM  6 years agoPost 32
heliflyer7

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North Carolina

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When I first built mine, I was running the stock woodies. It was in a glow configuration then, less weight, but was never very stable in a hover. When a breeze would come up, it was literally all over the place. That being said, I was less experienced at the time, was not running expo on my cyclic as I am now, plus, did not have any stabilization as I do now (Align 3G).

All that being said however, longer, and consequently somewhat heavier blades will have inertially stronger forces at work which tend to reduce the effects of outside influences, wind or over-correction on the sticks.

From what I understand, some of the eLama converts are running 3 axis stabilization and some aren't. However, I believe most everyone is using longer blades and expo on the cyclics. It's not that you have to do any of these things, it just makes it much more pleasant to fly.

Jack

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06-12-2011 08:49 PM  6 years agoPost 33
FloridaHeli

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jacksonville, florida

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heliflyer7

I believe you. I've felt that the OEM woodies are a bit thin in the lift department. Just a little negative and she's coming down. Need a lot more positive collective to get her back in the air.

Are the 530 and 550's symmetric with airfoil on top and bottom? I've read that you get more lift if the blades are asymmetrical with flat bottoms. Where can I get flat bottom 550's in a set of 3?

I tried flying with out electronic stabilization and experienced the ballooning up when turning into the wind and rapid descent turning away. I then installed a Microbeast and it calmed things down. Flies nice and smooth. Better today after adding 25% expo to the Aero and Elev.

Thanks again for all the good information. If you see anything else please pm me or post it. I like getting all this experience first hand.

Tom

This hobby is WAY too expensive!!

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06-12-2011 10:14 PM  6 years agoPost 34
csc

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Cave Creek, AZ

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Keep posting info guys! I'm working on getting my Lama in the air and am interested in what your experiences are.

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06-12-2011 11:05 PM  6 years agoPost 35
heliflyer7

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North Carolina

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Hi CSC and Tom,

Great to have all of the wonderful Lama talk going back and forth. What did we do before RunRyder anyway.

Tom, here's pix of my blades. They appear to be fully symmetrical and look pretty much like every blade I've ever bought. That's not to say they (flat-bottoms) aren't out there, just haven't run into them. Hopefully one of the other posters can help out.

As far as sets of 3, the only time I've seen them is through someone like Vario. Those, in any case are usually much larger and way more expensive than what we use. Of course, a 20 ml tube of oil from Vario is 10 bucks, no doubt, it's refined from German sheep intestines or something equally arcane.<VBG> My solution has always been to by two sets, sort out the three closest in weight & balance and keep the 4th as a spare.

Sounds like you're getting that baby tamed nicely, good stuff.

CSC, would be great to see some pix of your Lama when you have a chance.

BTW, go to my youtube channel "Heliflyer7" around 7:30 Eastern today, I'll have a couple new vids up of my lighting & hardware installation.

Best,

Jack

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06-13-2011 12:12 AM  6 years agoPost 36
payne1967

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uk

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nhp do sets of 3 blades for the chinook
just get the correct rotation set
or do the same as mine
2 sets of std 550 blades and make a set of 3 out of the 4 blades

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06-13-2011 02:12 AM  6 years agoPost 37
FloridaHeli

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jacksonville, florida

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Guys,

Looks like I'll be looking for some 550 blades. Passed up so many on RR.

I'll check NPH, thanks payne1967.

Say, would FBL blades work better or best?

Keep those tips coming.

Thanks,
Tom

This hobby is WAY too expensive!!

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06-13-2011 02:46 AM  6 years agoPost 38
heliflyer7

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North Carolina

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Good point about the FBL blades Tom, I was wondering about that myself.

Jack

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06-13-2011 08:21 AM  6 years agoPost 39
PETER ROB

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Devon UK

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Say, would FBL blades work better or best?
The flat bottomed reflex blades, give more lift
Fully symetrical bladed, can be used for Left hand or right hand rotation

" better or best?"
This, in my experience, is dependable on headspeed, for high headspeed then the symetrical blades, and semi symetrical blades are better, when you get to the larger scale, with headspeeds under 1000 rpm then the flat bottomed reflex blades perform better
This is not to say that you can not run smaller reflex blade, at more than 1000 rpm, you have to check and see what the heli producers, recomend
When you, over speed a reflex blade, the helicopter becomes more unstable, to a point where the blades cavitate

When doing scratch conversions, it is a try it, to see, what you find to be the best, so different blades are a must, to get a good comparrison
Peter R

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06-15-2011 12:24 AM  6 years agoPost 40
fireblade48

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Silsbee, TX.

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Hirobo Lama
Ok talked to some folks at MRC and Hirobo did some extensive research on the blades that were going to be issued on the MRB conversion set. to scale they are perfect size. If you look at the full size heli they apperently went in that direction. Also the pitch set up is vital and any deviation from it could bring dire consequences. I myself dont know if I like the 3 blades or standard 2 blade configuration. To me it flies easier on the standard 2 blade set up. Though must admit looks way better with 3. Also the blades that come with the MRB conversion are just about flat bottom. At 10lbs I wouldnt want to try an auto no matter what blade you run. Since I was the originator of this post that was my main reason for the electric convertion. No real worries about engine failure. Mike.

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HelicopterScale Model RC Helicopters Docs  Hirobo Lama SA-315 Electric Conversion
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