Help with OMP Yak 55sp 65"

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Help with OMP Yak 55sp 65"

PostPosted: Mon Nov 16, 2020 4:58 pm

Rebuilt a crashed yak54 profile... looking for placement of landing gear and where to spot the cg. Could use a manual or some help! Thanks everyone !
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Last edited by SkrPlyr23 on Tue Nov 17, 2020 4:51 am, edited 1 time in total.
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 5:07 pm

Use a flashlight to look for landing gear holes just in front of the LE wing at the bottom of the fuse. CG, start at the tub and adjust to your liking.
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 5:11 pm

The plane has been rebuilt from tube forward, I have no holes to find ! I was hoping someone could give me a measurement from the tube to the bolt holes...
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 5:25 pm

Hopefully when it was rebuilt, there were hard points added where the gear need to go. You don’t want them too far forward or back. This is the RadYak I just finished and this is where and I would put the gear. The gear should be angled forward about five degrees. Put a piece of tape on the fuse, draw a line square to the bottom. Hold the gear up with one hole in front of the line, top hole behind.
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 5:50 pm

Sounds good thanks for the help man. Atill kind of just guessing where to put it a little !
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 8:54 pm

SkrPlyr23 wrote:Rebuilt a crashed yak54 profile... looking for placement of landing gear and where to spot the cg. Could use a manual or some help! Thanks everyone !


Be patient and let me see if I can find the plans. I have a scratch built one.
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 9:02 pm

Even though I just looked at these two days ago, I forget than Gus sent them to me...
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 9:08 pm

Thanks for the help fellas !!
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 9:11 pm

My wings attach with one center nylon bolt accessible thru the wing hatch... I think this is the right plan tho... close enough right??
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 9:17 pm

...
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Re: Help with OMP Yak 54 65"

PostPosted: Mon Nov 16, 2020 9:18 pm

I guess Mo beat me while I was dicking trying to resize the pics
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Re: Help with OMP Yak 54 65"

PostPosted: Tue Nov 17, 2020 4:50 am

Looks like I have the yak sp-55m, Not sure how the yak 54 sticker got on the rudder, but its coming off !
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Re: Help with OMP Yak 55sp 65"

PostPosted: Tue Nov 17, 2020 7:48 am

Have that one too but never did anything since I didn’t like how the ARF flew.
It did have some 1/4 pieces of plywood glued to the fuse when I got it.
I’ll see if I can find the plans, unless Mo beats me again. :mrgreen:
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Re: Help with OMP Yak 54 65"

PostPosted: Tue Nov 17, 2020 8:13 am

gus wrote:...


Hey what is the bolt and blocking midway down fuse
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Re: Help with OMP Yak 54 65"

PostPosted: Tue Nov 17, 2020 9:10 am

SkrPlyr23 wrote:
gus wrote:...


Hey what is the bolt and blocking midway down fuse


I would guess a mount for the pipe.
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Re: Help with OMP Yak 54 65"

PostPosted: Tue Nov 17, 2020 11:01 am

3Dreaming wrote:
SkrPlyr23 wrote:
gus wrote:...


Hey what is the bolt and blocking midway down fuse


I would guess a mount for the pipe.


Affirmative
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Re: Help with OMP Yak 55sp 65"

PostPosted: Tue Nov 24, 2020 8:03 pm

Still trying to find a good starting point for the cg....
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Re: Help with OMP Yak 55sp 65"

PostPosted: Tue Nov 24, 2020 8:20 pm

SkrPlyr23 wrote:Still trying to find a good starting point for the cg....


Sorry, forgot about this, let me check.
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Re: Help with OMP Yak 55sp 65"

PostPosted: Tue Nov 24, 2020 8:25 pm

I have figured out that I have the yak sp55m, not the 54 ! Previous owner had slapped on a yak54 sticker on the tail that doesn't belong !
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Re: Help with OMP Yak 55sp 65"

PostPosted: Wed Nov 25, 2020 11:32 pm

Nothing on the plans, I’ll start at 40% of the root cord.
Doing some more research to see if I have the manual.
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