WillHobby Yak 54 ARF Question  
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All Forums >> RC Airplanes >> ARF or RTF >> WillHobby Yak 54 ARF Question
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WillHobby Yak 54 ARF Question - 7/4/2006 7:50:33 AM   
cmejaf30


 

Posts: 4
Joined: 5/4/2006
From: Green Bay, WI, USA
Status: offline 		Hello to all...

I recently purchased a Yak 54 kit from Will Hobby and received the package a couple days ago. Everything in the kit looks good so far but I was going through the instruction manual and...well..it's not much of a manual. The manual itself is only like 6 pages long, no text, and a few vague diagrams. I was wondering if anyone has put together one of these ARF's and, if so, they have any tricks that worked well for the model. I was also wondering if anyone had any opinions of what type of servos to put in the plane. I am running a JR radio with a Saito 180 engine. I'm not sure if standard servos will give enough power and the quick response I want from the plane. The plane has a 71" wingspan and a flying weight of about 11 pounds. Let me know what you guys think. Happy flying!!

~Adam
       Post #: 1

RE: WillHobby Yak 54 ARF Question - 7/4/2006 12:06:45 PM   
jlkonn



Posts: 1280
Joined: 1/2/2003
From: Planet Earth, IA, USA
Status: offline 		If I may ask...
Did you order your Yak from a distributor in the 'States?
Thanks!
JLK


_____________________________

A goal without a plan is just a dream.
AMA 97605

(in reply to cmejaf30)
       Post #: 2

RE: WillHobby Yak 54 ARF Question - 11/3/2006 11:45:59 AM   
bill33


 

Posts: 43
Joined: 5/8/2005
From: bordeaux, FRANCE
Status: offline 		cmejaf30, what about your YAK ?

Are you satisfied with it ?
Can you tell me about this plane, the quality of accessories, the flight, etc.

(in reply to jlkonn)
       Post #: 3

RE: WillHobby Yak 54 ARF Question - 11/3/2006 11:47:22 AM   
bill33


 

Posts: 43
Joined: 5/8/2005
From: bordeaux, FRANCE
Status: offline 		thanks

(in reply to bill33)
       Post #: 4

RE: WillHobby Yak 54 ARF Question - 11/3/2006 4:03:18 PM   
Checklst


 

Posts: 492
Joined: 12/19/2002
From: Alpharetta, GA, USA
Status: offline 		Hey cmejaf30 I would use metal gear servos on a plane with control surfaces this large. The 180 should pull her around with ease, I have a OS 160 on a SS 120 at 11.6 lbs and it will hover and do anything else I ask. The 180 FS should be slightly better.

How long did it take to receive it from Will Hobby?

(in reply to bill33)
       Post #: 5

RE: WillHobby Yak 54 ARF Question - 11/4/2006 8:20:17 AM   
flapper


 

Posts: 188
Joined: 9/30/2004
From: Green Point NSW, AUSTRALIA
Status: offline 		Gday,
Compare this model with the CMPro Yak 54 140. I think it is the same. Come from the same factory I believe.

(in reply to Checklst)
       Post #: 6

RE: WillHobby Yak 54 ARF Question - 11/9/2006 3:31:20 AM   
panicman


 

Posts: 63
Joined: 10/16/2003
From: Roseville, MI, USA
Status: offline 		cmejaf30

How is the work on your yak going? I,m looking at this plane and would like any info you can give me.

thanks:Matt

(in reply to flapper)
       Post #: 7

RE: WillHobby Yak 54 ARF Question - 11/14/2006 3:35:39 PM   
gapple12


 

Posts: 317
Joined: 1/20/2006
From: San Antonio, TX, USA
Status: offline 		Hello, I also have one of these Yak's from Willhobby.com. It was a challenge to build. The manual is good for starting a fire, that’s about it. I am having a hell of a time with getting the CG set. I am running a SPE 40cc gasser and am going to have to add a ton of weight still. I even put my batteries and receiver up front. Overall, the airplane looks great, hardware sucks, and cowl is very brittle. My cowl was damaged in shipping and Jerry at Will Hobby agreed to send me another one. Haven’t flown her yet, but looking forward to it. Does anyone else have this plane? If so, what did you set your CG too? Thanks

(in reply to panicman)
       Post #: 8

RE: WillHobby Yak 54 ARF Question - 11/15/2006 3:10:09 AM   
panicman


 

Posts: 63
Joined: 10/16/2003
From: Roseville, MI, USA
Status: offline 		gapple12

can you tell me the weight of your plane? I have an O.S 1.60 I want to put in it. But if it is still tail heavy with a 40 cc gasser in it I don't have a chance.

thanks

Matt

(in reply to gapple12)
       Post #: 9

RE: WillHobby Yak 54 ARF Question - 11/15/2006 3:26:41 AM   
gapple12


 

Posts: 317
Joined: 1/20/2006
From: San Antonio, TX, USA
Status: offline 		panicman, I dont have a scale but will get one tomorrow from work. My gasser is pretty light. It is a SPE 40cc that I found searching online. Check it out on this link:

http://ak-models.com/spe_engines.htm


(in reply to panicman)
       Post #: 10

RE: WillHobby Yak 54 ARF Question - 11/16/2006 3:17:09 AM   
Rick75



Posts: 88
Joined: 5/14/2002
From: malden, MA, USA
Status: offline 		Any pictures?

(in reply to gapple12)
       Post #: 11

RE: WillHobby Yak 54 ARF Question - 11/16/2006 3:27:18 AM   
gapple12


 

Posts: 317
Joined: 1/20/2006
From: San Antonio, TX, USA
Status: offline 		My camera is not very good, there a little dark..........I will try to get better ones of the engine. What do you think about putting batteries in the cowl with the engine?

Attachments
Click to see fullsize image.
Click for fullsize 		Click to see fullsize image.
Click for fullsize

(in reply to Rick75)
       Post #: 12

RE: WillHobby Yak 54 ARF Question - 12/14/2006 7:30:24 PM   
scrafe


 

Posts: 19
Joined: 10/3/2006
From: Rockford, IL, USA
Status: offline 		I have 2 of these YAK-54's (one unbuilt) I would say that this is a very nice plane for the money, but there are some minor issue with build quality and the hardware is below par with U.S. Mfg's. Some of the hardware such as control horns, and clevises are useless. Another problem is the landing gear. The aluminum gear that comes with the kit is too thin and will collapse even under a normal landing. I reinforced my gear with a 3/16" music wire that runs the entire length under the gear attached with straps to the aluminum, which also serves as the axle for the wheels. The wheels are a little small. OK- now for what is nice about the plane. The overall quality of the plane is good but it takes a little extra time and patience to get things installed and lined up correctly. The YAK flies good! I'm powering mine with an OS 1.60FX with Slimline Pitts muffler, swinging a 20x6-10 TF prop. I have the CG set right on the wing tube, which is a little aft but the plane has no apparent tip stall problems. The yak will hover nicely, knife edges very well, but has some considerable wing rocking during an elevator. The instructions for this plane are basically just pictures and no help to the un-experienced builder, and definitely not a novice fliers plane either. Overall, not a bad plane for price. I'll try to post some pics of mine in the near future.

(in reply to gapple12)
       Post #: 13

RE: WillHobby Yak 54 ARF Question - 12/15/2006 6:06:26 PM   
scrafe


 

Posts: 19
Joined: 10/3/2006
From: Rockford, IL, USA
Status: offline 		Here are some pics of my Willhobby Yak-54. Powered by an OS 1.60FX w/Slimline Pitts muffler, TF 20x6-10 prop. Check them out in my Gallery link. I'm not sure how to post them as an attachment.

Thanks,
Scrafe

< Message edited by scrafe -- 12/15/2006 7:17:12 PM >

(in reply to scrafe)
       Post #: 14

RE: WillHobby Yak 54 ARF Question - 12/15/2006 9:30:36 PM   
bill33


 

Posts: 43
Joined: 5/8/2005
From: bordeaux, FRANCE
Status: offline 		looks very nice

(in reply to scrafe)
       Post #: 15

RE: WillHobby Yak 54 ARF Question - 2/14/2007 10:53:21 PM   
teletrix


 

Posts: 2
Joined: 12/1/2006
From: Killen, AL, USA
Status: offline 		Just noticed your WillHobby YAK info. Agree the manual and hardware are useless and the fiberglass parts of very brittle. The landing gear is far too light weight for the plan.I heavily reinforced the firewall and installed a Saito 180. In order to get CG at the location specified on the plans, it took 2.3 lbs of dead weight. How did you fair with the CG problem? It seems to me that CG over the wing tube should work but am afraid to try.

Plane looks nice and may be in a new category - "CTFTK" Closer To Flying Than a Kit.

(in reply to gapple12)
       Post #: 16

RE: WillHobby Yak 54 ARF Question - 2/15/2007 2:02:58 PM