E-flite Carbon-Z Yak 54 * CRASH SITE * Report Your Crash - Page 8 - RC Groups
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May 08, 2011, 12:07 PM
Registered User
turboready's Avatar
This sucks so badly, we should not have to be replacing so much stuff on a new airplane when so much is paid for it.

I have not flown mine as yet, no time, picked up APC prop and trying to find batteries with more capacity without adding too much nose weight.

Seeing more failures guys are having is making me

Spoke with HH and awaiting their "upgraded" motor mount in the mail.

Will let you guys know when I maiden mine, hopefully it will be a good post!!!!!!!!
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May 08, 2011, 10:40 PM
it's for sale
I become a victim of the carbon z yak issues, my problems started with the magnets coming unglued from the access cover along with the switch. Today how ever the motor mount sheared off in all 4 legs, this caused my plane to pull hard to the right and forced me into a controlled crash. Now my flawless plane has serious hangar rash and a broken pieces, it's a shame since it's a sweet flyer. Over 25 flights since major issues.
May 08, 2011, 10:42 PM
I drank it, and it is good.
Looks like the stock prop, did you balance it?
May 08, 2011, 10:43 PM
it's for sale
Yep, plane used to fly great until today.
May 08, 2011, 10:49 PM
it's for sale
Originally Posted by StormJunkie
ed...This plane is designed to roll that fast. RC planes are designed to handle things no pilot could handle. Even real planes could be designed to handle all that; but a pilot can only take so many G's. That was perfectly normal flying for this plane, and that is no reason to cut Eflite slack they don't deserve.

Straight from the Eflite website...With the designer flying it...
Look at 2:28 on the video, is that an aluminum motor mount?
May 10, 2011, 10:52 AM
Registered User
turboready's Avatar
Originally Posted by Full Spool
Yep, plane used to fly great until today.
That's too bad, they know that the motor mounts fail. I bought my Yak three weeks ago and did not fly it. I sent out the request for the upgraded mount which I just received in the mail and already got an APC prop ready to go. I am going to see what the servos do now.

They should have sent out a request for all the hobby shop owners to tell ppl interested in the yaks to get the replacement mounts or better yet send the hobby shops mounts to sell with the airplane.
May 10, 2011, 06:03 PM
it's for sale
Its along read but here is my email and response from them.

Hi Justin,

Thank you for contacting Horizon Hobby Product Support.

If you have a valid claim to consider the plane as manufacture defective
you can send the plane crashed damaged parts to our service center. The
service center techs will evaluate the plane and make a determination
whether to cover it under warranty. I cannot guarantee the plane will be
replaced under warranty. You have a 50/50 chance and their decision to
cover it under warranty is final.
Here is all the information you will need if you decide to send the
plane for evaluation:

Sorry for any inconvenience and problems you have experienced with our
products. This is not normal behavior. This will need to come in for a
warranty/repair evaluation.

Unfortunately, we can not quote prices or say if it's going to be
covered under warranty without first seeing the product in our service
center. Evaluations are free.

If you would like to send in your product for a warranty evaluation,
please visit our online repair request form:


Consumers outside the US and Canada should contact their local retailer
or distributor. A list of International distributors may be found at:

If you have an active account with Horizon Hobby, please be sure to use
the same email address that you have listed on that account. Providing
multiple emails can extend repair times and cause confusion in providing
effective service.

Be sure to use a shipping method that will provide you with a tracking
number and insurance as Horizon Hobby is not responsible for items in

Be sure to include, the Service Center Request form, a letter describing
the problems you've had, what's included in the box, a copy of this
email, your complete name, address, and a day time phone number.

Remember all warranty service requests must include the proof of

All non-warranty services are charged a minimum of 1/2 hour of labor and
labor is $30 per hour (subject to change without notice). All charges
for service parts, labor, shipping and other fees are your
responsibility. Nonpayment can result in confiscation of equipment.

If you do not fall under our warranty you have the option to purchase
any needed part/s from our website and do the repair yourself.

The Products Terms & Conditions our listed in our manual and provided
online on our website.

If you should need further assistance regarding this issue please reply
to this e-mail for additional support. If you need assistance in the
future, please feel free to e-mail us at productsupport@horizonhobby.com
or you may also contact us toll-free at 1-877-504-0233. Make sure to
visit our web site at http://www.horizonhobby.com to see all of our
newest products!

Thank You,

David W.
Horizon Hobby
Product Support Team
4105 Fieldstone Rd
Champaign IL 61822

-----Original Message-----
From: taildraggerrc@yahoo.com [mailto:taildraggerrc@yahoo.com]
Sent: Sunday, May 08, 2011 9:43 PM
To: product support
Subject: Contact from HorizonHobby.com

Name: Justin Richardson
Email: taildraggerrc@yahoo.com

Comments: I purchased a carbon z yak and now I have become victim of
it's short comings. I know you guys are aware of the flaws in the carbon
z yak from inferior servos to motor mounts. My carbon z yak has
completely sheared its motor mount in all 4 legs. This caused my plane
to behave uncontrollable and forced me to do a some what controlled
crashed. My flawless carbon z now has broken parts and looks as if it is
2 years old ate up with hangar rash. I am highly disappointed in the
quality control in this product. It's a shame also, I really enjoyed
flying this plane as it was one of my favorite foamies. I will link you
to the forum dealing with carbon z yaks so you can see my pics and


*The customer explicitly requested a response.
May 10, 2011, 06:23 PM
StormJunkie's Avatar
Sorry for the loss Justin. Sucks that you have to send it in on your dime. I would make them pay the shipping. Call, request a manager call back (takes 1 - 2 days), ask for a call tag for your plane (suggest just sending in the motor mount as it would be cheaper for them and that's all they really need to see in the first place), and go from there. They did reimburse me "some" for the hundreds of dollars I had in the plane, hopefully they will do the same for you.

In the end, the plane was too much work and money for me....I moved on...
Last edited by StormJunkie; May 10, 2011 at 06:36 PM.
May 10, 2011, 07:23 PM
Never fly an A model anything!
jayb1rdz's Avatar
I have referred out local dealer to the sight as well. I suppose that since I said that my purpose was to inform and not claim, that they ignored me.

BTW. one of the guys at our field and a flyer for more than 25 years totalled his first CZ yak as it entered an uncontrolled spin. He originally thought that it may have been a broken aileron link but it was still connected when he viewed the corps. He then summised it was random rc interference as he was not on 2.4 g.

Unfortunately, I did not know of his purchase or crash, other wise I would have referred him here. He bought a second CZ Yak and a Spectrum 6i the model crashed on maiden take off. Not too much damage but it still looks very well used. The problem.... a screwed rudder servo. This time I got to talk to him and refer him here.

It is plain immoral for this to continue so far into the model's sales life. Does someone have to be seriously hurt before action is taken? It would appear that financial hurt does not trigger responsibility. J
May 11, 2011, 06:33 AM
Flying is Fun.Even if U Crash!
Claydoc's Avatar
Guys question....

If you knew what you know today about this plane, would you still buy it?

Yes not cheap, and if you must replace prop, engine mount and elevator servo to make it right....!... Seems somewhat sad and expensive ... You'd expect this from HK... Not HH!

I love the look, but finding hard to justify the cost of it all....

What you guys think?

May 11, 2011, 06:43 AM
Never fly an A model anything!
jayb1rdz's Avatar
If it came as airframe only....unqualified yes.
it may be worth seeing if the airframe as spares is cheaper.
May 11, 2011, 08:10 AM
Gravity gets me down.
helicow's Avatar
My guess on parting this out...These are HH's prices.

EFL1008001 $18.99 Wing Panel, Right: Yak 54 C-Z
EFL1008002 $18.99 Wing Panel, Left: Yak 54 C-Z
EFL1008003 $34.99 Fuselage: Yak 54 C-Z
EFL1008004 $6.99 Stab, Right: Yak 54 C-Z
EFL1008005 $6.99 Stab, Left: Yak 54 C-Z
EFL1008006 $8.99 Rudder: Yak 54 C-Z
EFL1008007 $6.99 Battery Hatch: Yak 54 C-Z
EFL1008008 $5.99 Radio Hatch: Yak 54 C-Z
EFL1008009 $5.99 Canopy: Yak 54 C-Z
EFL1008011 $7.49 Pushrods w/Clevis: Yak 54 C-Z
EFL1008012 $5.99 Wing Tube: Yak 54 C-Z
EFL1008013 $3.99 Stab Tube: Yak 54 C-Z
EFL1008015 $5.99 Landing Gear Plates: Yak 54 C-Z
EFL1008016 $2.99 Main Landing Gear Wire: Yak 54 C-Z
EFL1008017 $3.99 Landing Gear Fairing: Yak 54 C-Z
EFL1008018 $3.99 Main Wheels: Yak 54 C-Z
EFL1008019 $3.99 Tail Wheel Set: Yak 54 C-Z
Total $153.33
May 11, 2011, 05:20 PM
Flying is Fun.Even if U Crash!
Claydoc's Avatar
Cool! Thanks guys....

Do it as a kit huh?

Mmm I'll check the local price here in Australia.... I'd suspect very expensive way of doing it but!

Fuse = $59
wing = $30

Almost twice the price that u guys are talking...

May 11, 2011, 05:45 PM
Gravity gets me down.
helicow's Avatar
Chris - how much for the BNF or PNP? Here it is $299 and $399 if I remember correctly.

I would think these would also be more expensive down there.
May 11, 2011, 08:15 PM
StormJunkie's Avatar
Originally Posted by helicow
Chris - how much for the BNF or PNP? Here it is $299 and $399 if I remember correctly.

I would think these would also be more expensive down there.
Saw them at Nall today for $250 & $350.

I did have just a moment to talk to QQ today at Nall and I know he wants everything on this plane to be flawless, could not be a nicer guy. Hopefully it is there now and all the issues have been worked out. Still not a huge HH fan since the whole deal ended up costing me a lot of time and money, but live and learn.

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