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RE: WACO YMF - 9/20/2012 9:35 PM   
rccrasher65


 

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Status: offline 		    Yea I've noticed, also noticed the they have no problems with their email like we do, seems funny, that this forum has the problem, and no other, just emailed RCU for some answeres, we'll see what they say.  Its finally fixed, Thanks RCU.

< Message edited by rccrasher65 -- 9/21/2012 6:17 PM >

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RE: WACO YMF - 9/21/2012 3:21 PM   
ceije


 

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ORIGINAL: georgewaldrop

quote:

ORIGINAL: rccrasher65

George, did you say the cost of the 1/4 scale plans from the AMA are $135.00 shipped, that sounds expensive for a set plans.

George,

Actually no...That was a quote of a response TO me BY ''chris melhus ceije 196'', AND it was a price for [as I understand it] two sets of enlarged plans (enlarged from the 1/5 Pica Waco plans), one set at 1/4 and the other at 1/3 PLUS it included enlarged templates of the Pica parts as well as enlarged templates of the modified wing tip ribs by Dan Hudson...possibly a bit on the high side, but not terribly so, since you are talking about enlarging plans at two different scales from a third [original] scale and all the templates included...if they are accurate, they would be good plans and it would involve a fair amount of labor all things considered.


again, let me see if i can break this down a little more $35.00 per set of plans X 2, 1/4 scale and 1/3 scale= $70.00 plus $35.00 for enlargement services plus charges for Dan's rib/wing modification and then there's tax =around $125.00. i origionaly said $135.00 i was a little off, sorry didn't mean to scare anyone.

chris melhus ceije 196

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RE: WACO YMF - 9/21/2012 4:25 PM   
Dash7ATP



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Status: offline 		FINALLY!  This opened right up through my email link!

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RE: WACO YMF - 9/21/2012 4:29 PM   
georgewaldrop



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quote:

ORIGINAL: ceije
again, let me see if i can break this down a little more $35.00 per set of plans X 2, 1/4 scale and 1/3 scale= $70.00 plus $35.00 for enlargement services plus charges for Dan's rib/wing modification and then there's tax =around $125.00. i origionaly said $135.00 i was a little off, sorry didn't mean to scare anyone.

chris melhus ceije 196

Chris,

Broken down this way, it seems even cheaper! $35 per set is not out of line for almost any plans, but I haven't seen many 1/4 or 1/3 scale plans commercially available for anywhere near $35 in a good while...sounds like a deal to me! Thanks for the clarification/update!

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RE: WACO YMF - 9/21/2012 5:42 PM   
rccrasher65


 

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Status: offline 		Joe, I finally got word the problem has been solved,  I guess you know already by your post, my email link opened up instantly also. Thanks RCU.

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RE: WACO YMF - 9/22/2012 9:26 AM   
Stickbuilder



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Status: offline 		Guys, the problem with using enlarged plans from the Pica is that you will wind up with a very big model of the Waco that is not very scale. The wing plan is all wrong and some of the fuse and tailfeathers are wrong too. You would be just as well off using the Pepino plan set and hoping for a scale outline.

Bill, Waco Brother #1

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RE: WACO YMF - 9/22/2012 9:43 AM   
georgewaldrop



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Status: offline 		I was remembering the comments about the inaccuracies on the Pica plan...did you ever get your true scale 25% scale plans done Bill? One of these days I WILL get another Waco built!

< Message edited by georgewaldrop -- 9/22/2012 6:01 PM >

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RE: WACO YMF - 9/22/2012 5:48 PM   
WacoNut



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Status: offline 		I started tearing into my crashed 1/3 Waco today, very depressing job to say the least. The firewall did not sustain any damage but from just behind the wirewall back to the front of the wing saddle will need to be totally rebuilt. I believe I can join new parts into the remaining fuselage and get it back into shape.
I found one broken glue joint in the left stab so the tail feathers will be stripped of covering and inspected as well. The top and bottom wing tubes have been bent and are stuck in the corresponding center sections. These will need to get cut off and pulled out(hoipefully that easy). The end rib in each panel fractured when the wing tubes bent. I will remove all the covering from the wings and repair any structural damage.

The cowling did not fare well from the crash and will need replaced. The boot cowl has some minor damage that can be fixed. The rest of the fiberglass parts are in good shape. I will get an inventory of all the formed parts I need to replace and get them from AMR. I think with 3-4 weeks worth of work I can have the Waco ready for covering.
Later!!
Anthony

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RE: WACO YMF - 9/22/2012 10:28 PM   
Stickbuilder



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quote:

ORIGINAL: georgewaldrop

I was remembering the comments about the inaccuracies on the Pica plan...did you ever get your true scale 25% scale plans done Bill? One of these days I WILL get another Waco built!


The Pica is way out of whack as far as the framework goes. The basic outline is pretty good, but getting the thing built to any degree of being scale requires a lot of rethinking. The entire wing plan is junk as is the tail.

The one that I'm doing from the original plans is going to be a 27% version and the top wing span is 97.4 inches.

Bill, Waco Brother #1

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RE: WACO YMF - 9/23/2012 4:22 AM   
skypup50


 

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Status: offline 		I was thinking of putting a saito 170 radial in my 1/5 Pica Waco but discovered that it looks like it won't fit without changing the firewall. And it would still not fit under the cowl. I looked at the specs for the saito 120 radial which is designed for 60 to 90 planes. It produces 8# of thrust on a 14 " prop. Since the kit was originally designed for 90 to 120 four strokes would the 120 radial fly it in a scale manner? Thanks for the help.

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RE: WACO YMF - 9/23/2012 9:46 AM   
Stickbuilder



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ORIGINAL: skypup50

I was thinking of putting a saito 170 radial in my 1/5 Pica Waco but discovered that it looks like it won't fit without changing the firewall. And it would still not fit under the cowl. I looked at the specs for the saito 120 radial which is designed for 60 to 90 planes. It produces 8# of thrust on a 14 '' prop. Since the kit was originally designed for 90 to 120 four strokes would the 120 radial fly it in a scale manner? Thanks for the help.


I think that you would be better off both financially and making the airplane more flyable to consider a small gasoline engine. The 3 cylinder 170 while being a very neat little engine is vastly underpowered for its size, and is notorious for dropping a cylinder at low speeds. I don't know if the 120 version has the same problems, but with only a 14" prop, it is going to look very strange. 8# of thrust is not very much either. I'd look to something else entirely. The Saito 3 bangers make a good paperweight. I have one.

Bill, Waco Brother #1

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RE: WACO YMF - 9/23/2012 2:47 PM   
skypup50


 

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quote:

ORIGINAL: Stickbuilder


quote:

ORIGINAL: skypup50

I was thinking of putting a saito 170 radial in my 1/5 Pica Waco but discovered that it looks like it won't fit without changing the firewall. And it would still not fit under the cowl. I looked at the specs for the saito 120 radial which is designed for 60 to 90 planes. It produces 8# of thrust on a 14 '' prop. Since the kit was originally designed for 90 to 120 four strokes would the 120 radial fly it in a scale manner? Thanks for the help.


I think that you would be better off both financially and making the airplane more flyable to consider a small gasoline engine. The 3 cylinder 170 while being a very neat little engine is vastly underpowered for its size, and is notorious for dropping a cylinder at low speeds. I don't know if the 120 version has the same problems, but with only a 14'' prop, it is going to look very strange. 8# of thrust is not very much either. I'd look to something else entirely. The Saito 3 bangers make a good paperweight. I have one.

Bill, Waco Brother #1



I appreciate your candor, I have a saito FG-21 (gasser) on a Spacewalker 120 which would work and has the four stroke sound. I have been thinking of the OS FT 160 twin. That things has a lot of power, can swing a large prop and sounds great. How about that? I've been looking at the evolution 7-35 7 cylinder radial also, it would fit but not sure how much power it would have.

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RE: WACO YMF - 9/23/2012 10:53 PM   
Stickbuilder



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quote:

ORIGINAL: skypup50


quote:

ORIGINAL: Stickbuilder


quote:

ORIGINAL: skypup50

I was thinking of putting a saito 170 radial in my 1/5 Pica Waco but discovered that it looks like it won't fit without changing the firewall. And it would still not fit under the cowl. I looked at the specs for the saito 120 radial which is designed for 60 to 90 planes. It produces 8# of thrust on a 14 '' prop. Since the kit was originally designed for 90 to 120 four strokes would the 120 radial fly it in a scale manner? Thanks for the help.


I think that you would be better off both financially and making the airplane more flyable to consider a small gasoline engine. The 3 cylinder 170 while being a very neat little engine is vastly underpowered for its size, and is notorious for dropping a cylinder at low speeds. I don't know if the 120 version has the same problems, but with only a 14'' prop, it is going to look very strange. 8# of thrust is not very much either. I'd look to something else entirely. The Saito 3 bangers make a good paperweight. I have one.

Bill, Waco Brother #1



I appreciate your candor, I have a saito FG-21 (gasser) on a Spacewalker 120 which would work and has the four stroke sound. I have been thinking of the OS FT 160 twin. That things has a lot of power, can swing a large prop and sounds great. How about that? I've been looking at the evolution 7-35 7 cylinder radial also, it would fit but not sure how much power it would have.


The FT 160 is a great choice for this plane. Be sure to install a glow driver that will turn on at about 1/4 throttle.

Bill, Waco Brother #1

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RE: WACO YMF - 9/23/2012 11:37 PM   
skypup50


 

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quote:

ORIGINAL: Stickbuilder


quote:

ORIGINAL: skypup50


quote:

ORIGINAL: Stickbuilder


quote:

ORIGINAL: skypup50

I was thinking of putting a saito 170 radial in my 1/5 Pica Waco but discovered that it looks like it won't fit without changing the firewall. And it would still not fit under the cowl. I looked at the specs for the saito 120 radial which is designed for 60 to 90 planes. It produces 8# of thrust on a 14 '' prop. Since the kit was originally designed for 90 to 120 four strokes would the 120 radial fly it in a scale manner? Thanks for the help.


I think that you would be better off both financially and making the airplane more flyable to consider a small gasoline engine. The 3 cylinder 170 while being a very neat little engine is vastly underpowered for its size, and is notorious for dropping a cylinder at low speeds. I don't know if the 120 version has the same problems, but with only a 14'' prop, it is going to look very strange. 8# of thrust is not very much either. I'd look to something else entirely. The Saito 3 bangers make a good paperweight. I have one.

Bill, Waco Brother #1



I appreciate your candor, I have a saito FG-21 (gasser) on a Spacewalker 120 which would work and has the four stroke sound. I have been thinking of the OS FT 160 twin. That things has a lot of power, can swing a large prop and sounds great. How about that? I've been looking at the evolution 7-35 7 cylinder radial also, it would fit but not sure how much power it would have.


The FT 160 is a great choice for this plane. Be sure to install a glow driver that will turn on at about 1/4 throttle.

Bill, Waco Brother #1




I'm not sure which driver works best?


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RE: WACO YMF - 9/24/2012 2:37 AM   
ceije


 

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Status: offline 		Skypup, there are several companies that have drivers, I have stayed with mc Daniels they have service if needed. I have several of their drivers and they are what's comfortable for my application. Sullivan I believe also has a driver, and I'm sure the guys with more experience can give you more info. A little research and you should find a solution to suit your needs.

Chris melhus, ceije 196]

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RE: WACO YMF - 9/24/2012 4:06 AM   
jymster



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Status: offline 		I use these guys: www.microsens.at . They are the smallest and lightest onboard glow on the market, and run off LiPos.

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RE: WACO YMF - 9/25/2012 2:09 AM   
Jim Henley


 

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Status: offline 		I have used a Sonic-tronics (Mc Daniel) for many seasons, they are reliable and if you have questions or need help, give them a call.

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RE: WACO YMF - 9/25/2012 5:33 PM   
georgewaldrop



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quote:

ORIGINAL: Stickbuilder


quote:

ORIGINAL: georgewaldrop

I was remembering the comments about the inaccuracies on the Pica plan...did you ever get your true scale 25% scale plans done Bill? One of these days I WILL get another Waco built!


The Pica is way out of whack as far as the framework goes. The basic outline is pretty good, but getting the thing built to any degree of being scale requires a lot of rethinking. The entire wing plan is junk as is the tail.

The one that I'm doing from the original plans is going to be a 27% version and the top wing span is 97.4 inches.

Bill, Waco Brother #1
Bill,

I would be in for a set of those plans when you get them available...I have thought about the larger kits, but honestly don't want to spend the money to buy a kit that large...nice as they are, I'd rather build it from good plans. Thanks for the info...I knew the wings were not correct on the Pica, both in some of the rib profile/contour and the spar placement, and probably other places. I didn't know (probably read it here, but I have slept since I did!) the tail was out of whack...what is off on it (besides the non adjustable stab)? :<)

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RE: WACO YMF - 9/25/2012 6:02 PM   
skypup50


 

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I have one on backorder. I found a source for methanol for diluting the fuel to get the 7% lubrication required. This radial really is amazing.

http://www.horizonhobby.com/products/7-cylinder-35cc-4-stroke-glow-radial-engine-EVOE735

http://www.youtube.com/watch?v=o9adZ3e2cL0&list=PLE_J70ARj49zUqAU_H5EyMxDIINXTCAam&index=20&feature=plpp_video

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RE: WACO YMF - 9/26/2012 1:07 AM   
jymster



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Status: offline 		Hi skypup, I have the 77cc radial and it is a really well made engine. So far seems very good quality, especially for the price. I guess time will tell, though. I am currently fitting it to my 97" Gee Bee Y.

James.

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RE: WACO YMF - 9/26/2012 2:11 AM   
skypup50


 

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Hi skypup, I have the 77cc radial and it is a really well made engine. So far seems very good quality, especially for the price. I guess time will tell, though. I am currently fitting it to my 97'' Gee Bee Y.

James.


Thanks James. I appreciate your comments. Did you use 100% methanol for break-in? I found a place to get some today.

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RE: WACO YMF - 9/26/2012 2:23 AM   
jymster



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Status: offline 		I presume you mean fuel with methanol + oil, but no nitro? You definitely need oil! Yes, I always mix my own fuel anyway, so can make whatever mix I need. I buy methanol in 20L (5.3 gal) drums, oil in 3.8L (1 gal) and nitromethane in 4L (>1gal). Saves a fortune, compared to premix fuels.

i started off with 10% oil and am reducing from there. I have not quite finished running it in yet. Will do this in the model.

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RE: WACO YMF - 9/26/2012 2:39 AM   
skypup50


 

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I presume you mean fuel with methanol + oil, but no nitro? You definitely need oil! Yes, I always mix my own fuel anyway, so can make whatever mix I need. I buy methanol in 20L (5.3 gal) drums, oil in 3.8L (1 gal) and nitromethane in 4L (>1gal). Saves a fortune, compared to premix fuels.

i started off with 10% oil and am reducing from there. I have not quite finished running it in yet. Will do this in the model.



Yes, That's what I meant. The place I will buy my methanol manufacturers model fuel. I guess I could get the other ingredients too. How much is a gallon of nitro?

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RE: WACO YMF - 9/26/2012 2:43 AM   
jymster



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Status: offline 		Well, i am in Australia, so I am sure the price will be different. But I pay around AUD$75 for a 5L (1.3 gallon) bottle.

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RE: WACO YMF - 9/26/2012 3:05 AM   
skypup50


 

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ORIGINAL: jymster

Well, i am in Australia, so I am sure the price will be different. But I pay around AUD$75 for a 5L (1.3 gallon) bottle.


Worth its weight in gold, isn't it (nitro)? If I buy this 7-35 radial I won't need to worry too much about fuel cost. I wouldn't expect to fly the plane very often. I have a Spacewalker with a Saito FG-21 petrol for sport flying. The Waco would be more for show and that engine would really be perfect if it doesn't overheat.

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