RE: Horizon Hobby Yak 54F, anyone fly yet?  
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All Forums >> Electric Aircraft Universe >> 3D Electric Flying! >> RE: Horizon Hobby Yak 54F, anyone fly yet?
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RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/3/2005 2:18:10 AM   
Big Barry



Posts: 444
Joined: 6/10/2003
From: Reno, NV,
Status: offline 		Just got mine home from the LHS and I havent even taken it out of the box yet. I will have to mount my outrunner motor on the outside of the firewall as I cant change my output shaft. Other than that it should be a piece of cake.

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RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/3/2005 8:41:45 PM   
GBR2


 

Posts: 490
Joined: 12/25/2001
From: Snohomish, WA, USA
Status: offline 		I've also read that the fuselage is fragile in various posts. I haven't built mine yet but running a strip of packing tape down the length of the fuselage should help.

(in reply to Big Barry)
       Post #: 52

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/5/2005 8:46:39 PM   
vporrino


 

Posts: 48
Joined: 11/5/2003
From: cliffside park, NJ, USA
Status: offline 		Flew my new e-flite yak last night in my school gym, straight and level and figure eights. very smooth plane.

flew this morning on the school field, plane hovered comfortably out of my hand, upright, inverted, rolling

circles, torque rolls, super tight loops, knive edge passes and hovering were amazingly controlable. What

a difference from my shock flyer, which is also a fantastic flyer.


2208/34,10/4.7

jeti 8 amp

hs-55's,electron 6 vinny!

thunder power 830-11v

12.3/4 ozs.

(in reply to Ryan)
       Post #: 53

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/5/2005 8:57:37 PM   
TManiaci



Posts: 1489
Joined: 10/7/2004
From: Temecula, CA, USA
Status: offline 		Vinny,

Congrats on your success... told you that 2208/34 was a great choice. Flew mine with a TP730 the other day, WOW sums it up. The best part with this plane is it feels big, and put in a heavy battery and fly your heart out in the wind! Awesome...

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TMan

(in reply to vporrino)
       Post #: 54

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/6/2005 3:18:33 AM   
tylerman


 

Posts: 285
Joined: 12/14/2004
From: Phelan, CA, USA
Status: offline 		Tman- Vinny is flying a 10x4.7- with a Jeti 8 amp. Do you think that you could get a better pullout with an inch more pitch?
If so- I want to try one on my plane.


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       Post #: 55

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/6/2005 3:36:47 AM   
TManiaci



Posts: 1489
Joined: 10/7/2004
From: Temecula, CA, USA
Status: offline 		It's worth a try. My guess is it will fly faster, but not be as good in hover/3D. There is math to help figure that out, but I don't know where it is. You may risk over-current with too much pitch, not sure. With the lighter Tensor you fly it might work out, but on the Yak it might not with 2 oz more weight. We can try it, but we have now way to measure current draw... that's a toy we would need to be sure.

Anyone have the "theroetical" knowhow to answer this question?

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TMan

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       Post #: 56

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/6/2005 6:48:00 AM   
zonker123


 

Posts: 365
Joined: 4/17/2003
From: Grifton, NC, USA
Status: offline 		Having now tried both the 370/gearbox and the new 400 920kv outrunner. the outrunner is my preferred setup with an apc 11x4.7. The plane is just flat out smoother with the outrunner. The only thing i find with the outrunner is that it performs better with the 1320 TP than the 860-900 TP packs, but only in vertical pullouts. With the 11 x 4.7 I think the amp draw might be exceeding the the 900 packs ability, but as i said you only notice it in full throttle vertical pull outs. The 1320 packs are just slightly less than an oz heavier than a 900 pack but the outrunner is 1/2 oz lighter than the the 370/ gearbox combo.

zonk

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(in reply to TManiaci)
       Post #: 57

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/6/2005 4:55:14 PM   
vporrino


 

Posts: 48
Joined: 11/5/2003
From: cliffside park, NJ, USA
Status: offline 		TMan,

Thanks for the info on the set up for my Yak..

All to often we tend to over power these models there by increasing

the wing loading and decreasing the models performance.





Thanks Again!

Vinny

(in reply to TManiaci)
       Post #: 58

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/6/2005 5:45:39 PM   
Ryan Nau



Posts: 602
Joined: 10/1/2002
From: Elizabethville, PA, USA
Status: offline 		So is the 2208/34 a good choice for the E-Flite Yak?? I will have an extra 2208/34 when the hollow shaft one comes in for 4D with the shocky, so im thinking about getting this yak for the other axi. I will use 3c 1320 or 860.


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RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/6/2005 6:00:08 PM   
TManiaci



Posts: 1489
Joined: 10/7/2004
From: Temecula, CA, USA
Status: offline 		Ryan,

Both Vinny and I are running that very combo. It is GREAT. It's not totally ballisting vertical, but fairly agressive. I think it's a great combination, and a wonderful teaching platform for bigger aircraft. You will not be disappointed. It is not a snappy radical unrealistic aircraft like a Tensor. It flies real... that's what I really like about it.

It's easy to manage in a breeze with the heavier TP1320, lands like my 90 sized nitro plane, stunts both pattern and 3D very well and has the big-plane feel I was looking for. If you want to get more radical 3D, put in the lighter battery (TP730 for me) and go crazy. Using a APC 10x3.8, and gonna try a 10x4.7 to see how it does.

This is truely an amazing plane. Better than the little bipe's and shockys, with a full fuse and true ARF construction. All the wires and crap are inside, out of sight. If I bust this one up, I WILL replace it with another one. It will do any stunt in the book, and well...

Go for it...

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TMan

(in reply to Ryan Nau)
       Post #: 60

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/7/2005 2:33:43 AM   
BuschBarber


 

Posts: 554
Joined: 1/7/2002
From: Rochester, NY, USA
Status: offline 		I set up my Yak54F with the Eflite 400 and 11x4.7 apc prop. Not enough vertical. Perhaps a smaller prop. JR sub micro receiver and JR 241 on Elevator/Rudder and JR281 digital on the Aileron. I am using the Dubro large servo arms. Plenty of throw. Phoenix25 and TP3120 behind the gear. I removed the E-clip on the motor shaft and loosened the set screw. I tapped the motor shaft into position and tightened the set screw. I used the Eflite Prop Hub. I tried the AXI2208/34, as well. Similiar performance. Both motors were pulling 11 amps and 96 watts. It is more fragile than my FancyFoam Edge540. Both are good in the wind.

Thinking about a hotter motor. Any suggestions?

(in reply to TManiaci)
       Post #: 61

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/7/2005 3:25:35 AM   
TManiaci



Posts: 1489
Joined: 10/7/2004
From: Temecula, CA, USA
Status: offline 		BBarber,

I assume you meant TP1320...

It suprises me you are not happy with the 2208/34. How much does it weigh with the 1320 onbaord. Mine is dead 14 oz, and has good verticle. I don't have a meter to check amp/watt, but I am using a Jeti 8-amp ESC, and it works great. I would be looking for a problem somewhere. Unless you expect a ballistic missle. It's not super hot, but it pulls straigt up out of a hover pretty well. Maybe your ESC is bad?

Someone earlier was running a 2212/34 and claimed it was real nice. The 2208/34 is rated for 17 oz thrust. I think someone said the 2212/24 is good for 21 or 22 oz's thrust at 12 amps.

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TMan

(in reply to BuschBarber)
       Post #: 62

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/8/2005 12:39:05 AM   
BuschBarber


 

Posts: 554
Joined: 1/7/2002
From: Rochester, NY, USA
Status: offline 		Tman - I did mean TP1320.
I just weighed my Yak54f and it weighs 15oz including the TP1320. The TP1320 weighs 3.1oz. Now I did have 2 early on accidents. After the first flight, I landed and half the elevator broke off close to the horn. It may have gotten jammed in the car and I did not notice it, but it did not break off until I landed. I repaired that with foam safe CA. I waited 15 minutes and tried to fly again and it came off as if it were never glued. The glue was still wet (Eflite Thick Slow Cure). I guess Slow Cure really means SLOW). I took it home and let it dry overnight. On the second flight, the wind blew it over on takeoff and broke the fuse in half just behind the wing. I reglued the fuse and reinforced it with very light glass cloth about 1/2 inch wide. I have flown it a dozen times since then, but the repairs probably added weight. It flies well but will not pull out of a hover. I also was advised to use the Dubro large heavy duty servo arms. They probably add to the weight. I could probably put the lighter weight arms and use CF strips to extend the arms.

I put this together for outdoor flying. I would like to use a stronger motor/prop combo to give me more thrust. Any suggestions?
I have another Yak54f that I will put together with the motor/prop I am currently using and see how much it weighs and how it performs.

It has been so breezy around here, this month, it is hard to keep a light foamy intact

(in reply to TManiaci)
       Post #: 63

RE: Horizon Hobby Yak 54F, anyone fly yet? - 5/8/2005 1:33:05 AM