Cermark Yak-54 - RC Groups
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Dec 17, 2006, 04:34 AM
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Yardbee's Avatar
New Product

Cermark Yak-54

Yak-54!! New From Cermark!!
Last edited by Yardbee; Dec 18, 2006 at 06:17 AM. Reason: Picture Added
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Dec 17, 2006, 11:58 AM
Yes, right there.
SpleenRippa's Avatar
Mmm.... Creamsicle...
Mar 13, 2007, 07:04 PM
mithrandir's Avatar
I have one... fun flyer!!!
Mar 13, 2007, 08:48 PM
It's a good day to fly.
Mar 13, 2007, 09:50 PM
Registered User
RickC2009's Avatar
Originally Posted by berryulson
Jan 29, 2009, 01:06 PM
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Cermark Yak-54 I metre version

Hi all,
I have just purchased on of these models and would like feed back from those that have one with the equipment used ie motor, ESC, Lipo. Please reply with anything other than manufacturers own equipment.
Best regards, poyytflyer
Jan 29, 2009, 06:12 PM
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Mr Rossi's Avatar
Hi there, i have the 1m series Edge 540 with a JP 30amp esc and a JP pro 1200kv motor, this is fine for sport aerobatics with an APC 11x5.5, but for 3D DEFINITELYlook for a lower KV and higher amp esc
Jan 29, 2009, 06:15 PM
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Mr Rossi's Avatar
Sorry, 2200mah 25c 3s lipo
Jan 30, 2009, 09:22 AM
Registered User

ball park duration

Hi Rossi,
Can you give an approx duration on 2200 pack with your motor ESC, based on say the B certicate schedule; are we looking over 10 mins or less?
Cheers pottyflyer
Jan 30, 2009, 09:33 AM
Beware Of The Shills !!!
This post goes back a bit but seems has just come back to life, I nearly bought one of these about 6 months but due to the complete void of information available about them didn't.
If anybody has any feedback on these would be good !!!!
Jan 30, 2009, 10:46 AM
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Mr Rossi's Avatar
Hi Pottflyer, the 2200mah is more than sufficient for the B test, so long as you know the schedule inside out! but I would personally pick something with a lower wing loading for this test; the Edge with this battery comes in very hot!! could be a problem if there is little/no wind. But I have had flights personally of 9.5 minutes (spektrum timer) doing the B test schedule ( and a few circuits/high speed passes on the same battery. Hope this helps
Jan 30, 2009, 10:56 AM
Registered User
Mr Rossi's Avatar

Cermark 1m Series

Just FYI, I have have a few incidents with this airframe reference the landing gear with a 2200mah lipo .......in the end, I reinforced the liteply stab with another piece of lightply, grooved and drilled to fit over the original stab, and used Tightbond to fix in place, with this lipo the wing loading is quite high, so if you're not 100% with landing a very quick model, use an 1850/1800mah lipo. to lower the wing loading
Jan 30, 2009, 12:43 PM
Registered User

YAK-54 comes alive

Many thanks for your comments anymore, welcome, and personal thanks to Mr Rossi. I have long had a B cert but have had a break, although flown twice this week, stick time is always the key. keep em coming. Best regards, pottyflyer
Jan 30, 2009, 03:35 PM
Steven Chao's Avatar
I highly suggest for investment toward a 3s 1320mah LiPo pack instead of 3s 2100 or 2200. On the OMS (One Meter Series), gross weight is critical. The smaller battery pack will provide much supperior performance, but not reducing the flying time by much (around 25%).

I know several places reviewed and recommended 2100 packs. Like I recommended, the airplane will be AWSOME with 3s 1320 or thereabout. I promise you will see and feel a huge difference.

We use 4 x HS-55... Our gross weight is 1.60lb. We have also used 4s setup. Either way, at WOT with 10x4.7SF static, we recorded 248-250 Watts.

Steven Chao,
Jan 30, 2009, 03:39 PM
Steven Chao's Avatar
CLARIFICATION: we have updated to OMS Yak-54 version 2 late last year. The pics earlier is version one. The most obvious difference is the one piece wing in the version 1. Version 2 has 2 seperate wings and no bellypan.

Steven Chao,
Last edited by Steven Chao; Jan 30, 2009 at 03:50 PM.

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