Lepton Video

[pipino12]

Setup of video:

Lepton EX kit
Bettary Kokam 3200 4S
Esc Kontronik 80-6-18
Motor Kontronik Kora 15-14W
3 x 3150 ciclic servos
GY-401 + 9254 on tail
149DP receiver

EOLO TAIL BLADES<---------Very very important to have tail hold good, standard tail blades are way too small.

http://www.heliup.com/vidgal/lepton_web.wmv


Enjoy,

Corrado

[cranium]

Nice flying as always Corrado! :)

That's not the first time I've seen the tail blade size mentioned. It's odd that Hirobo chose something undersized like that.

The heli looks very capable. What is your overall impression of it after having flown it hard?

[mudbogger2]

Nice to see some more videos of this little heli. Thanks Corrado. :glasses2:

Are you planning on trying any other power setups?

[supertrex2]

Wow... I will definitely get a Hirobo Lepton... btw... are you only using 3200 4S?

Will the TP 4S works also?

And what do you mean the Tail is too small? you mean the factory tail is not going to give good HH?

[eheliflyer]

Sweet flying as usual Corrado. :smokin: :smokin:

[GGoodrum]

I agree, incredible flying Corrado, as usual. :shock: This is pretty impressive on 4s.

[pipino12]

I was using Kokam 4S 3200 in the video, i switched now to 5S 3200, but i had to make a pinion 20T for it. I am going to fly it today and i'll report flight times and performance later today.
I tested a TP 4000 2S2P on sunday but had no punch at all, so i discarded it.

What i meant with tail being too small is that the stock tail blades are too small, but luckily enough Eolo tail blades fit perfectly and are 10mm longer making the tail rock solid.


regards,

Corrado

[GGoodrum]

Thanks for the update. What is your AUW with the 5s setup? What is the h/s?

-- Gary

[pipino12]

Flight times so far:

All test are been made with kontronik jazz 80-6-18 and kontronik kora 15-14W motor


3200 Kokam 4S 24T pinion 2650 HS -------> 5 min of good power + 1 min hovering

3200 kokam 5S 20T pinion 2740 HS -------> 6 min of GREAT power + 1 min hovering


I have some flighpower 3300 5s, 3700 4s and 3700 5s coming to make some more tests.

I am pretty happy now with 6 great minutes on 3200 5S.

All this tests were conducted with tail belt very very tight and it might have impacted on run times (maybe 20-30 secs).

The 4 amp bec of the jazz 80-6-18 have been great for the 10+ flights i have done so far and i have a 9254 on tail with 3x3150 on ciclic.

Corrado

[GGoodrum]

How about the weight?

I think the FP 5s-3300 setup will work great. Lighter than the Kokams and should hold the voltage even better so if nohing else, your durations should go up a bit more.

-- Gary

[Finless]

Did the 9254 fit or did you have to mod the frames....

I am thinking the AT 94761Z servos for cyclic would be a good digital choice with better speed than the 3150's.... Thoughts on that?

I cant wait to hear your reports on 4S 3700 as this is how I am going to set up.
I am probably going with the Hyperion or Hacker A30-10xl and believe it or not the Align 75 ESC....

Cool flying man... I cant wait! Should be next week for me to start building..... I guess I will try to find some Eolo blades... How long are they?

Bob

[pipino12]

In order t fit the 9254 some (very little) dremel work is needed. As for ciclic servos i think the 3150 is fast enough for my needs, the servo link to the swashplate have a mechanical amplification of the command about 2:1, so speed of the plate is not an issue (very similar to AVANT).

As for battery the flightpower 3300 5S weight 22 grams less than my actual kokams (455 kokam vs 433 FP both including dean connector), so they should be a very good performer. With those battery and a new iP146 receiver in place of the actual 149DP, weight should go down by about 40 grams.

Eolo tail blades come in one single lenght so i think you can't go wrong.

PAY CLOSE ATTENTION TO THE BELT TENSION: i had my belt way too tight, i loosened it up yesterday and i gained about 20 sec flight time (i can fly for 6:30 of GREAT power now and another minute or so of hovering----battery takes back 2800 mha).

GGoodrum: Are you sure the FP 3300 5S will be a better performer than my actual Kokam 3200? Can you point me to some discharge graphs??


regards,

Corrado

[Gscott]

Thanks again for the great info Corrado. I should have mine today or tomorrow. Any chance you will be making some pinions for the rest of us :D

[pipino12]

I think we won't make pinions at the moment, wire edf is way to expensive to make pinions to sell, unless you don't want to pay $100 for a pinion :shock:


Corrado

[GGoodrum]

Corrado --

I don't have any charts, just emperical data from those using them. The Germans, in particular, have found them quite strong, and they have been big supperters/users of the Kokam 3200s. The latest "mix" of the FR/Enerland cells seem to be capable of stronger performance than their 20C/30C rating would suggest.

Can you tell me what the weight is of your setup, either with or without the battery?

Also, what is the pitch of the gears, and how many teeth does the main gear have?

Thanks -- Gary

[Gscott]

Gary,

I believe the main gear is 95 tooth and has a pitch of .6.

[pipino12]

Pitsh as said by Gscott is 0.6 main gear has 94 teeth.
Weight i think is in the 1650 grams, did not weight it yet.


Corrado

[GGoodrum]

Thanks for the info. I'm trying to "calibrate" KC's spreadsheet with this new model. :)

-- Gary

[Gscott]

Great Gary. As soon as you have the spreadsheet info please post. I'm trying to decide what battery/motor combo I want to go with. Preferably something built around the emoli's.

[pipino12]

Once you have the KC ready i would like to have it too if possible.

Corrado

[GGoodrum]

If we can get the right pinions, I'm thinking a Hacker A30-8XL, and a 5s eMoli "flatpack". It would require a 14T pinion, however, so that might be a problem.

-- Gary

[Finless]

Wont the Emoli's be a bit heavy for this thing?
I am just now starting to look at those as alternatives for 6S2P on the Trex600 but the lepton might be a bit small for those no?

Bob

[GGoodrum]

I've tried this in a stretched QJ-8, and it's not too heavy. The Lepton is close to exactly the same size.

You don't want to run a 6s2p-4200 setup in a TRex 600. Align is nuts and made somedesign mistakes with this that they are trying to "fix" with marketing spin. This thing is the same size as a Logo 20, a 3D-MP, a MXR500Eand a Raptor conversion. I don't know anybody that runs even an 8s setup in these, much less 6s2p. Most use a 10s setup in the range of 3700-4200 mAh. If you have to run 6s, wait for the new TRex-specific 6s packs from either Thunder Power or Flight Power. Both will have packs in the 4500-4900 mAh range. They are also both based on 20C+ cells, with 30C+ bursts. The cells Align is flogging are the same as the 2 year old TP 2100 Pro Lites.

-- Gary

[ethinger]

i mounted the 601 on the tail, with 9256s, there is a small mounting hole i have to drill, but it works and looks great! anyway.

I Second the tail blades, the stock ones are WAY too small, its the size of the Trex tail blades, or somewhat similar in size... will post some pix of them...

Carrado, have you used the Voyager E tail blades? those are available here in Singapore, not the Eolo, so i might try those out...

[pipino12]

I used only the Eolo tail blades, they fit and work perfect.


Corrado