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RE: Jim Pepino's YMF-5 Waco - 11/22/2012 3:37 AM   
zenith16


 

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From: Somerville, NJ, USA
Status: offline 		Good luck with the build. Its alot of thinking ahead and remembering to keep it light. This entire thread was a huge help during construction.

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RE: Jim Pepino's YMF-5 Waco - 11/22/2012 5:53 AM   
R Bell


 

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Status: offline 		I'll be re-reading this entire thread a couple of times once I start building it

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RE: Jim Pepino's YMF-5 Waco - 11/22/2012 1:47 PM   
WacoNut



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Status: offline 		As far as the cowling goes you can order a cowling from Barth and it has the evenly spaced blisters and they are hollow. You should be able to put the plug caps in the blisters.
This is how the 3W-157 fits in my 1/3 Waco. Just enough room over the plug caps.
Later!!
Anthony

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RE: Jim Pepino's YMF-5 Waco - 11/22/2012 4:41 PM   
R Bell


 

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Status: offline 		Waco nut:
Hey that sounds great I checked my cowl and the blisters are hollow. Might just have to order the engine and see if it's going to work.
Rick

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RE: Jim Pepino's YMF-5 Waco - 11/22/2012 6:55 PM   
R Bell


 

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Status: offline 		OH Hey:
I just got a hobby store flyer in the mail today.
What about the Saito 57cc gas twin. 9.1 inches wide.
It will fit inside the cowl/ As a 4 stroke it'll sound real cool/  lists a prop size 22x8 to 23x10 and 7000 rpm.
Should be making enough power.
It's a little pricey.
Anyone have any good info on the engine.
Rick

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RE: Jim Pepino's YMF-5 Waco - 11/22/2012 8:31 PM   
WacoNut



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Status: offline 		Sounds like a great match for the Waco. The sound would be worth the extra $$$

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RE: Jim Pepino's YMF-5 Waco - 12/23/2012 5:11 AM   
extraa300


 

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Status: offline 		I am new to the forum and would like to join in on the waco build I started mine febuary of 2012

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RE: Jim Pepino's YMF-5 Waco - 12/23/2012 2:36 PM   
WacoNut



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Status: offline 		Feel free to join in and post pics.
Anthony

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RE: Jim Pepino's YMF-5 Waco - 2/11/2013 6:33 AM   
bandit357


 

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Status: offline 		thought it was time to bounce in here, i bought the WACO that i found posted from a guy in MO, then i bought it from a guy in AZ, ( first add was 2008) i now have this thing and i am determined to get it flying, i strapped a BME 101 to the front, so for starters , i will need a new ( bigger) cowl ( 11.5 inches) i haven't made up my mind yet which one.

this plane was built very scale, even covered with silk and dope, and aluminum sheeting. you can see in the pics where i  made new cabane struts. so now i am down to installing the radio, fuel tank, smoke tank, so here is my problem,

the elevator is scale with the control horn inside the fuse, made of steel, i looked inside with a flashlight, and from what i can see, its a Du-Bro 4-40 rod end with a screw through it.. i don't know if i like NOT being able to check or maintain this linkage.. i am either going to cut out an inspection hole, or get rid of it, and go with external control horns.. any way, check out the pics, and give me some idea's..

thanks


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RE: Jim Pepino's YMF-5 Waco - 2/11/2013 4:07 PM   
nitro wing


 

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Status: offline 		whos currently selling the plans for this?

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RE: Jim Pepino's YMF-5 Waco - 2/11/2013 4:43 PM   
zenith16


 

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Status: offline 		It looks like a Pepino with some modified areas. The 11.5 cowl puts it in that size plane. One of the pictures shows a section of plans that does not look like the Pepino plans.

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RE: Jim Pepino's YMF-5 Waco - 2/11/2013 5:03 PM   
skylarkmk1



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Status: online 		nitro wing,

From that trouble that Anthony had with the inaccuracies in the plans I would get the 1/4 scale Barth Kit instead. Go back towards the beginning of the thread and read what Anthony has to say about the Pepino Plans and the problems he had with the build.


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RE: Jim Pepino's YMF-5 Waco - 2/11/2013 9:47 PM   
nitro wing


 

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quote:

ORIGINAL: skylarkmk1

nitro wing,

From that trouble that Anthony had with the inaccuracies in the plans I would get the 1/4 scale Barth Kit instead. Go back towards the beginning of the thread and read what Anthony has to say about the Pepino Plans and the problems he had with the build.


Yeah I kinda going thru the same thing with some mocoupe 110 plans. lots of omitted areas of question and a few mistakes..
Thought I could get through the pepino build with the online forum as a guide to catch problems before they get built in.
I heard the Barth kit is nice, last I seen it was 1,000$ though
I imagine there is at least 300$ worth of wood to buy? for the plan build?

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RE: Jim Pepino's YMF-5 Waco - 2/11/2013 11:34 PM   
mango12


 

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Status: offline 		Nitro wing, I have a Barth cowl for the 1/4 scale Waco that I purchased for the Pepino build I had going. If I recall correctly, I paid about $130.00 for it. I am not going to finish this build, at least not any time soon. If you are interested in just the cowl, I can offer it to you at a fair price. Really nicely detailed cowl BTW !!!


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RE: Jim Pepino's YMF-5 Waco - 2/12/2013 12:04 AM   
nitro wing


 

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Status: offline 		thanks for the offer, but a long way before I start a new project, will keep you in mind though. Surely it will sell on one of the forums quite quickly

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RE: Jim Pepino's YMF-5 Waco - 2/12/2013 12:34 AM   
WacoNut



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Status: offline 		If you build from the Pepino plans here are a few things to watch out for. I am sure I am forgetting a few.

#1= The top view on the plans is crooked by a considerable amount.
#2= The stab and elevators are not symetrical from left to right, pic one side and duplicate.
#3= All 4 wing panels on the plans have a different span and chord. Pick one top and one bottom and choose the chord you want to use and duplicate for all 4 panels. Spar spacing is off between the 4 panels shown.
#4= Stringer notches are in the wrong location on the fuse formers, you will wind up with crooked stringers if you cut per the plans. Cut the stringer notches in the front and aft former then mark and cut the remaining formers while they are on the fuse.
#5= The wing ribs are the wrong shape at the top wing center section. I corrected this and drew all new ribs with the corerct scale airfoil for all the wing ribs.

Now having listed everything that I can remember was wrong and you are still interested in building from the Pepino plans I will send you the scanned drawings for the wing ribs if you wish.

I can honestly tell you that you will spend more $$$ and more frustration building this plane than if you bought the Barth kit. If you build the plane as a sport plane and no details and such you may come in less than a Barth but not by much and not near as nice of a model.

I did a full blown scale detailed build and I spent considerably more than buying the Barth kit. I never flew the plane and donated it to the WACO Museum in Troy Ohio, it is on permenant display there.

Hope this helps!!
Anthony

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RE: Jim Pepino's YMF-5 Waco - 2/12/2013 4:08 AM   
hopkimf


 

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Status: offline 		Anthony,

Agree with all your comments on Pepino Waco. Plus I remember the lower wing to fuselage did not fit per plan. Had to modify. I have been very happy with Barth kit so far. It's an old version, but looking OK so far. On hold while in AZ until end of March, but will resume then. My 2008 Pepino is still sitting, not flown. This year I promise.

Mike Hopkins
Waco Brotherhood # 132

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RE: Jim Pepino's YMF-5 Waco - 2/12/2013 5:08 AM   
nitro wing


 

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quote:

ORIGINAL: WacoNut

If you build from the Pepino plans here are a few things to watch out for. I am sure I am forgetting a few.

#1= The top view on the plans is crooked by a considerable amount.
#2= The stab and elevators are not symetrical from left to right, pic one side and duplicate.
#3= All 4 wing panels on the plans have a different span and chord. Pick one top and one bottom and choose the chord you want to use and duplicate for all 4 panels. Spar spacing is off between the 4 panels shown.
#4= Stringer notches are in the wrong location on the fuse formers, you will wind up with crooked stringers if you cut per the plans. Cut the stringer notches in the front and aft former then mark and cut the remaining formers while they are on the fuse.
#5= The wing ribs are the wrong shape at the top wing center section. I corrected this and drew all new ribs with the corerct scale airfoil for all the wing ribs.

Now having listed everything that I can remember was wrong and you are still interested in building from the Pepino plans I will send you the scanned drawings for the wing ribs if you wish.

I can honestly tell you that you will spend more $$$ and more frustration building this plane than if you bought the Barth kit. If you build the plane as a sport plane and no details and such you may come in less than a Barth but not by much and not near as nice of a model.

I did a full blown scale detailed build and I spent considerably more than buying the Barth kit. I never flew the plane and donated it to the WACO Museum in Troy Ohio, it is on permenant display there.

Hope this helps!!
Anthony

Knowing the things you mentioned beforehand, may still make it a worthwhile project. Appreciate your post. Keep the rib drawings in a safe place

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RE: Jim Pepino's YMF-5 Waco - 2/12/2013 5:54 AM   
bandit357


 

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Status: offline 		thanks Zenith, the one pic is not the plans, its my cardboard template to make the cabane struts, as the plans i have dont give any detail on how to build them ( and yes i have the Pepino fuse plans), so i made my own plans, and built the struts, and they work great.

as for the cowl, i miss stated what i need, i will need 11 inches for enough room for the engine, so it will be 1/2 wider than the fuse ( may be no one will notice ??)

this week im going to start cutting under the stab to create an access hole for getting to the linkage. i cant wait to get this project done, she should fly Really good with the BME102.. lots of power...


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RE: Jim Pepino's YMF-5 Waco - 2/15/2013 4:44 PM   
nitro wing


 

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Status: offline 		Precision cut kits is offering a laser cut per plan. I asume this would be a waste of time as there are errors with fomers, ribs, sizing etc?
cutting your own would be the only way to track potential problems?

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RE: Jim Pepino's YMF-5 Waco - 2/16/2013 12:14 AM   
WacoNut



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Status: offline 		I would not get a laser cut kit of the plane. IMO it would be a waste of time and $$$.

Too many errors in the plans and formed parts. Get the plans and correct the errors.

Don't get me wrong you can build a beautiful plane using the plans as a starting point but the amount of work to get there is beyond comprehension in the beginning. I had at a minimum of 900hrs of work in the Waco. That is probably a very conservative estimate.
Later!!
Anthony

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RE: Jim Pepino's YMF-5 Waco - 2/16/2013 1:50 AM   
chuck l


 

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Status: online 		I've built the Barth 1/4 scale Waco and bought an already framed up Pepino. The Pepino, built to the plans was a boat anchor at 34lbs. The Barth was an excellent kit and flew very well. Save yourself the grief and go with the Barth. The upfront cost will be cheaper in the long run. However, if you do built the Pepino, pay real good attention to the tail, build it light. Somewhere in this thread or on RCU someone changed the materials in the fuselage to lighten it, the woods shown on the plans are heavy and much stronger than necessary. Just my 2 cents worth.

Chuck

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RE: Jim Pepino's YMF-5 Waco - 2/16/2013 2:33 AM   
nitro wing


 

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Status: offline 		understood, using spruce stringers behind cockpit would not be executed per plans
Most plans are 20-40 years old, alot of those are overbuilt per todays standards. I understand modifying and substituting materials and deviating from suggestested built technique is required to end up with a suitable airframe.
I am also looking at the Hostetler PE6, likely also a heavy frame if followed per plan, and as a modern Bipe the Miles Reed Challenger3 is on my radar, likely also needing a diet.

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RE: Jim Pepino's YMF-5 Waco - 2/16/2013 4:36 AM   
bandit357


 

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Status: offline 		just got through building my stand, NOW i can get to work to finish my WACO, by the way, you are right, this thing is heavy, one day IF i ever peel off the skin, i might look into lightening the tail section.. for now, with the BME 102 on the front the CG appears to be right on.


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RE: Jim Pepino's YMF-5 Waco - 2/16/2013 5:36 AM   
nitro wing


 

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Status: offline 		a BME 100cc is ALOT of engine for this thing,

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