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WACO YMF

Old 08-04-2012, 10:46 AM
  #15201
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Default RE: WACO YMF

Flew my waco for the first time this morning. All went well, the g38 was happy to pull the waco across the sky. Still a bit nose heavy but not by much. Thanks for all the help.
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Old 08-04-2012, 11:42 AM
  #15202
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Quote:
ORIGINAL: miltac

Flew my waco for the first time this morning. All went well, the g38 was happy to pull the waco across the sky. Still a bit nose heavy but not by much. Thanks for all the help.

1/5 scale?? Any idea of your total dry weight?

Glad the flight went well!

Joe
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Old 08-04-2012, 12:47 PM
  #15203
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Default RE: WACO YMF

It is 1/5 scale, not sure of the weight but will check next time I have all together at home.
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Old 08-04-2012, 04:45 PM
  #15204
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Default RE: WACO YMF

Tmac,
Your Waco is looking great I do like yellow. Looking forward to see more as you progress.

Miltac

Congratulations on your flight. Do you have any pictures you can share? I’m also interested in knowing what made you go with the G38
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Old 08-04-2012, 07:34 PM
  #15205
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Default RE: WACO YMF

I will have to get some better pics, hopefully tommorrow if I can get to the field.

The only reason for using the g38 is it was free. I recieved the Waco with a Magnum 1.20 wich is a bit big for my nitro fuel budget.
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Old 08-05-2012, 02:34 AM
  #15206
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Default RE: WACO YMF

tmac, so thats what you've been hiding there down under, looks super, yes Peter does have a great kit, my 1/4 is still in the mill. Hope to see more of yours soon.[8D][8D]

regards,
Chris Melhus, ceije 196
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Old 08-05-2012, 03:42 AM
  #15207
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Quote:
ORIGINAL: miltac

I will have to get some better pics, hopefully tommorrow if I can get to the field.

The only reason for using the g38 is it was free. I recieved the Waco with a Magnum 1.20 wich is a bit big for my nitro fuel budget.
That sounds like the best reason of all.I only ask because I had originality used a G26 in mine but weighting in at almost 20 lbs I changed to the G38 and I like the way it fly's much better.
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Old 08-06-2012, 09:44 AM
  #15208
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Default RE: WACO YMF

If any one is interested, there is a Pica 1/5 scale YMF WACO on E BAY. It looks in excellent condition, it has 5 more days to go.

There is also a Great Planes with engine for $900.00
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Old 08-07-2012, 07:40 AM
  #15209
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Wait, y'all are running a G38 in a 5th scale? Wow! Why didn't you just go ahead and cram in a small block chevy? I guess that's proof that you can overpower anything, but just use judicious throttle............ WOW!!!!!!

Bill, Waco Brother #1
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Old 08-07-2012, 08:04 AM
  #15210
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ORIGINAL: aminiet

If any one is interested, there is a Pica 1/5 scale YMF WACO on E BAY. It looks in excellent condition, it has 5 more days to go.

There is also a Great Planes with engine for $900.00
Also a 1/4 scale with ZDZ 80 in Canada in Canada on another forum site. PM me for link if anybody interested, I'm assuming RCU doesn't want me to post links from other sites. $1600 RTF, or $1200 for airframe only. I don't see what make it is.

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Old 08-07-2012, 10:20 AM
  #15211
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Flew the Waco again on sunday, the flight went well but upon landing, the landing gear did a little split causing a prop strike throwing the waco back in the air and ending in a nose dive at about 40 degrees. the good news is there not much damage. The prop is broke and some of the balsa skin around the LG is a bit busted up.

Here is a pic I took before the flight, I was planing on taking more after the flight but that didnt work out.

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Old 08-07-2012, 12:41 PM
  #15212
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Quote:
ORIGINAL: Stickbuilder

Wait, y'all are running a G38 in a 5th scale? Wow! Why didn't you just go ahead and cram in a small block chevy? I guess that's proof that you can overpower anything, but just use judicious throttle............ WOW!!!!!!

Bill, Waco Brother #1
Hey Bill,
My intentions were not to over power the Waco but only to give it a little more power. With the G26 the plane was almost 19.5 lbs and although the 26 did get her in the air it was at full power and felt like it was struggling so by changing over to the 38 it gave me that little extra power I was looking for on take offs and I’m still 19.5 lbs. I’m going to take her out in the morning and hopefully get in a few flights before the wind start blowing out of the south. I’ll see if I can get Robert to shoot a video.
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Old 08-07-2012, 12:57 PM
  #15213
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Default RE: WACO YMF

Be glad to Dan. And by the way Bill I agree with you. WOW
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Old 08-07-2012, 01:06 PM
  #15214
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Default RE: WACO YMF

Bill,

Do you know if there is a prop extension for the 1.60 Gemini? With my current mount, a 1/4 inch extension, Ihave about 3/8 " prop clerance from the cowl. And it seems almost no clearance in the cowl for a dummy radial. The left exhaust stack is verty close to the inner lip of the cowl, and the carb is way up there as well. Setting the engine back a quarter inch or so would help a lot.
Thanks,

Joe

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Old 08-07-2012, 01:58 PM
  #15215
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All I'm going to run is a 120 Saito four stroke in mine if I ever get there.
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Old 08-07-2012, 02:56 PM
  #15216
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Default RE: WACO YMF

There are probably a couple out there for the 160. This is not the only OS engine that would use such an extension. Find one with the same thread pitch and diameter and go for it. Or if that fails, turn one from bar stock 6061 T6

Bill, Waco Brother #1
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Old 08-08-2012, 08:47 AM
  #15217
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ORIGINAL: rccrasher65

All I'm going to run is a 120 Saito four stroke in mine if I ever get there.

I have a Saito 125 in the Great Planes WACO and it's more than enough power. Full throttle take-offs are done in about 16 ft with a steep climb out if wanted. A more "scale" looking take-off can be had at half throttle with a strong climbout. Big loops and such are quite easy. The hard part is getting it slowed down! It has a great glide and will carry a lot of energy on base and final if the thrttle isn't brought back on downwind.

There's guy at one club that tries to get me to trade his BUSA 1/4 scale Fokker D-VII for my WACO...I tell him no thank you everytime.

The Waco draws a crowd on the flight line everytime too. The kit built ones shown here and larger scale ones must be a real show stopper when they arrive at the local field.

Tmac48....outstanding! Wow, the more you look the more there is to see. Beautiful plane.

Jaybird
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Old 08-08-2012, 09:26 AM
  #15218
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hey Jaybird, hope all is well in your part of the country. I just wanted to ask wether or not you would do any thing differently if you were to build another one of these birds. also, I have but a meesly saito 150 4c to put on mine. its what i got, you know? anyway , I was just wandering if you would recomend changing anything to handle the little bit of extra weight and torque provided by the bigger motor. and also what prop are you using for your 125. thanks in advance for your advice. take care. Rob Abel
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Old 08-08-2012, 09:43 AM
  #15219
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Hi Rob,

As far as the motor mounting goes it was pretty much by the book. I had a little trouble with the lite ply cowl locating disc assembly getting it to fit together true and there was a lot of test fitting and trimming, but I wouldn't recommend anything different. A big help came from a magazine review in which they cut holes in the front disc so you see through as well as apply epoxy inside to mount the ring. I lucked out in that the combination of the 90 degree exhaust header and stock elbow and muffler fit inside the cowl. The large flexible exhaust tip is the only thing exiting the cowl. I did end up with my battery pack on the supplied tray after the fact for balance and it would have eliminated several assemble/disassemble cycles if I had planned to use it from the start. I would imagine the 150 would be heavier and possibly not require the battery to be moved forward in your case.

I'm running a Master Airscrew 16 x 6 black nylon prop on mine. One reason is for the heavier weight up front and possibly some "flywheel" effect to help low idle and the other reason was for nose over in case that happened as I find the wooden props seem to do more damage to the plane when a prop strike occurs, although I imagine it's less stressful for the engine when it breaks. This plane however doesn't exhibit any nose over tendancies like my other WWI biplanes do so it may not be a concern. In fact I've picked a wooden prop to test with to see if I can get a slower idle and perhaps slow the plane down on landing.

There were other elements of the kit that I did differently if you are interested in those.

Jaybird

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Old 08-08-2012, 12:35 PM
  #15220
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Default RE: WACO YMF

Made it out to the flying field this morning and got in two flights. Here’s a short video Robert took not any fancy flying a few take offs & landing. I was

http://www.youtube.com/watch?v=f1xF0...1&feature=plcp
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Old 08-08-2012, 12:38 PM
  #15221
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Default RE: WACO YMF

I had a similar morning last weekend...just plain fun to fly! I'm surprised how agile it is for a bulky biplane.

Jaybird
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Old 08-08-2012, 12:42 PM
  #15222
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Default RE: WACO YMF

Dan,
What's that funny noise coming from the plane on landing's?
And you need a new camera man.
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Old 08-08-2012, 12:49 PM
  #15223
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ORIGINAL: acerc

Dan,
What's that funny noise coming from the plane on landing's?
And you need a new camera man.
Not sure better check the wheel collar and make sure it hasn’t come loose again and don’t mess with my camera man LOL
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Old 08-08-2012, 02:04 PM
  #15224
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Nice Dan, very nice, Plane looks great. George
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Old 08-09-2012, 06:40 PM
  #15225
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as always thanks for the info Jay , it will help. the 150 is also a little taller from the crank centerline to the top of the rocker covers , so I'm certain I'll have to make some relief holes in the cowl for clearance. DANGIT!!! oh well, whatcha gonna do? as I'm not sure what the weight difference is between the 125 and the 150, and I'm not sure how that big ***** muffler will fit inside the cowl. I know I'd much rather run a flexible pipe out the bottom than too have to make a great big hole for it to clear. thanks again for your help brother, she's still on the back burner on low for now, as I've got to get three more servos yet. and we're in the process of looking for a new house. this none just is not big enough for all our needs . take care and I'll be in touch again when we get settled and I get started putting everything together. C_YA blue skies everyone!!!!!!!!.........
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