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-   -   WACO YMF (https://www.rcuniverse.com/forum/golden-age-vintage-antique-rc-196/4058627-waco-ymf.html)

tih 03-17-2024 10:34 PM


Originally Posted by Flyingbaseball (Post 12792545)
Alrighty folks getting ready to build the fuselage and I understand just about everything except these F22 wing saddle parts. mine are 5/32 stiff balsa and according to the plans and manual I’ve got the shape them to the wing airfoil. How the heck am I supposed to bend 5/32 sheets to the shape of the airfoil I’m familiar with the hot water trick but bending 5/32 parts that sharp especially the LE area will snap the wood I must be missing something any input greatly appreciated.

I'm building this kit now, and am looking at the same problem. My suspicion is that this is an error in the kit: why would that piece be supplied in three parts if it's supposed to have lengthwise grain? Usually, when a part is made in pieces like this, it's because it needs to have the grain crosswise, and the balsa sheets aren't wide enough to do the part in one piece. I think these bits were drawn like this with the intention of laying them out going across a sheet, and then they were accidentally put in lengthwise when the layout of the parts on the balsa was done.

Flyingbaseball 03-23-2024 05:23 AM


Originally Posted by tih (Post 12796670)
I'm building this kit now, and am looking at the same problem. My suspicion is that this is an error in the kit: why would that piece be supplied in three parts if it's supposed to have lengthwise grain? Usually, when a part is made in pieces like this, it's because it needs to have the grain crosswise, and the balsa sheets aren't wide enough to do the part in one piece. I think these bits were drawn like this with the intention of laying them out going across a sheet, and then they were accidentally put in lengthwise when the layout of the parts on the balsa was done.

yea i suspect that too I ended up making new ones with running the grain the opposite direction and that worked great.

summerwind 04-08-2024 12:05 PM

Hi Guys,

I picked up what I thought was going to be a great deal on the Pica 1/5 YMF-3 kit today.
I don't think the kit is complete, no ribs, no plans/instructions and some sheeting.
Does not mean it's not doable as I have been building for over 50 years and have scratch build many models.
I could use some help in identifying the wood in the kit though.
Right now there are spars and various other sized strip wood that I have no way of knowing whats right.
For instance, the rear and LE stip wood in this kit is 5/16x5/8x30" spruce. is this correct?

Any input would be great.
Getting plans is not a problem.

mrdhud 04-08-2024 05:57 PM


Originally Posted by summerwind (Post 12798163)
Hi Guys,

I picked up what I thought was going to be a great deal on the Pica 1/5 YMF-3 kit today.
I don't think the kit is complete, no ribs, no plans/instructions and some sheeting.
Does not mean it's not doable as I have been building for over 50 years and have scratch build many models.
I could use some help in identifying the wood in the kit though.
Right now there are spars and various other sized strip wood that I have no way of knowing whats right.
For instance, the rear and LE stip wood in this kit is 5/16x5/8x30" spruce. is this correct?

Any input would be great.
Getting plans is not a problem.

summerwind you can still get the plans and temples for the 1/5 scale Waco from the AMA plans service. You must ask for the temples when ordering them. I think I have the instruction manual in pdf form I'll try to post.

mrdhud 04-08-2024 06:03 PM

160 Attachment(s)
manual

summerwind 04-09-2024 10:18 AM


Originally Posted by mrdhud (Post 12798176)
summerwind you can still get the plans and temples for the 1/5 scale Waco from the AMA plans service. You must ask for the temples when ordering them. I think I have the instruction manual in pdf form I'll try to post.

Thank you so much for the info and the manual.
I ordered the plans and templates.

The more I get into this bird the more enthused I am getting.
I only paid 40 bones for it.
All that's missing is the wing ribs......all else is still there. Even the mylar stickers.

RICKSTUBBZ 04-10-2024 03:08 PM


Originally Posted by summerwind (Post 12798217)
Thank you so much for the info and the manual.
I ordered the plans and templates.

The more I get into this bird the more enthused I am getting.
I only paid 40 bones for it.
All that's missing is the wing ribs......all else is still there. Even the mylar stickers.

Sounds like you may have stumbled across a decent deal after all...
Good luck on the progress

RICKSTUBBZ 04-10-2024 03:12 PM


Originally Posted by mrdhud (Post 12798176)
summerwind you can still get the plans and temples for the 1/5 scale Waco from the AMA plans service. You must ask for the temples when ordering them. I think I have the instruction manual in pdf form I'll try to post.

Shoot Dan,
I had forgot Bill made the templates available to the AMA plans service... that was a couple days ago.
Is your WACO still flying?

summerwind 04-10-2024 05:39 PM

wood selection
 
I was going to build my Proctor Nieuport 28 next but this Oldie is just begging to be built.
Obviously someone had started to build it and then gave up. The ribs are easy to reproduce and the rest of the model is in the box.
The only thing I could use help with at this point is the wood for the wing spars.
The plans show the proper size, but no mention of what is used.
In this kit is lot of 5/16x5/8"x30" hardwood that has spruce like grain, but it's not actually spruce. Looks more like hemlock. it's also heavier than the spruce I'm used to.
There is not material list to tell me what is used for the spars.

Can anyone that has this kit let me know what was supplied?

thx
Mike


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