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Jack Stafford Cessna 120/140

Old 12-01-2004, 12:47 PM
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F4U Corsair-inactive
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Default Jack Stafford Cessna 120/140

Hello Everyone,

Just purchased a Jack Stafford Cessna 120/140 from the new owners of Jack Stafford models. It is packaged well and looks like the plans are well developed. A quick cursory check and it appears all of the parts are here, lots of balsa . Well first thing is first lets check and see if all the parts are here and take a look at the instructions. Then we can get started building this model, I am really looking forward to it.

I will keep everyone posted on my progress.

Here is a look at some of the parts :


(Please repost your other 3 pics. they did not thumbnail correctly. I want to see if you reupload them if they get fixed. thanks. RCadmin)
Old 12-01-2004, 01:03 PM
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Default RE: Jack Stafford Cessna 120/140

test
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Old 12-01-2004, 01:25 PM
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Default RE: Jack Stafford Cessna 120/140

Here are the other 3 pictures:


Thanks for fixing them.
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Old 12-01-2004, 01:42 PM
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Default RE: Jack Stafford Cessna 120/140

looks like it worked ok this time. must have been a "glitch" by our system. go figure...
Old 12-01-2004, 01:54 PM
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Default RE: Jack Stafford Cessna 120/140

You just can never tell, but hey its working now!!
Old 12-01-2004, 03:21 PM
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Default RE: Jack Stafford Cessna 120/140

I'm interested to hear the progress of this plane. Please keep us posted and give a flight report as well.

I always wanted to get the Stafford Ercoupe, but searching through many posts on the plane showed me many comments about difficulties in building the kit. The general consensus was that Stafford kits were difficult to build, but in the end after much labor the result was a nice plane.

I'm interested to hear if those sort of "building difficulties" are rectified.
Old 12-01-2004, 03:37 PM
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Default RE: Jack Stafford Cessna 120/140

I will keep you posted as we go, Plan to get started on it tonight.
Old 12-01-2004, 10:40 PM
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Default RE: Jack Stafford Cessna 120/140

How big is this model? What recommended engine?
Old 12-02-2004, 12:08 PM
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Default RE: Jack Stafford Cessna 120/140

Steve,
It is a true 1/4 scale model. 98 inch wing span, 64 inches in length. Recommended engines are .90- G38 2 cycle or 1.00- 1.82 4 cycle.
I am using a Qudra 35 gas engine.
Old 12-02-2004, 12:25 PM
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Default RE: Jack Stafford Cessna 120/140

Well got all the wood out of the box and finished the inventory. Everything is labeled very well, the directions are a okay but could use some improvement. Started putting things together. The first thing is something diofferant and that is you use the box that the parts come in for a jig. Once I put the plans on the box top with some 3M glue, it really started coming together. I sure hope the whole models builds this easily. Here is what she looks like so far. MORE to follow soon.
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Old 12-02-2004, 12:47 PM
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Default RE: Jack Stafford Cessna 120/140

That's going fast! Looks light too.
Old 12-02-2004, 03:31 PM
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Default RE: Jack Stafford Cessna 120/140

Wow, I can't believe how fast this fuse is building up. I guess when you get big pieces of balsa it doesn't take long. I had to use 50/50 solution of ammonia and water to get some of the sheeting to make the bends. Try getting tape to stick to wet balsa.[&o][&o]

Oh, just so everyone knows I am on vacation this week, which helps with how fast this kit is going together. But in all honesty it is really going together well and easy.
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Old 12-02-2004, 03:32 PM
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Default RE: Jack Stafford Cessna 120/140

You know, I can't believe how light it is so far.
Old 12-02-2004, 09:51 PM
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Default RE: Jack Stafford Cessna 120/140

That looks VERY interesting. An OS 1.60 should be just the ticket, eh?

I assume the wings are two-piece and plug in, right?

Keep us posted...
Old 12-02-2004, 10:01 PM
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Default RE: Jack Stafford Cessna 120/140

I would think that would be great choice. The wings are pluged in to a alumimn recepticle.
Old 12-04-2004, 10:45 AM
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Default RE: Jack Stafford Cessna 120/140

I am building the Jack Stafford 140 as well. Putting on the struts at this time. Great model. Think they could improve the instructions and photos a bit but still love it and would encourage anyone to buy it. Would love to share notes with you on my experiences.
Old 12-06-2004, 09:35 AM
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Default RE: Jack Stafford Cessna 120/140

I have built and flown the Jack Stafford Cessna 120/140. I want to warn you builders that the wing struts are load bearing. Make sure you attach the struts very securely to the wings and fuselage. I only used thin brass as my metal fittings and one broke loose, causing more lift on that wing than the other. I was able to land safely without a crash, but have since modified my strut attach points.

I covered the fuselage with light fiberglass and luster coat paint. This, along with my mounting the servos (for rudder and elevator) in the rear, made it tail-heavy. So I had to put alot of weight in the nose to get the balance right. I would not put the servos in the rear of the fuselage as my finished weight was about 19 pounds.

The engine I used is a Saito 1.50. This engine powers this plane very well. Someone building this aircraft very light could use a .60 2cycle.

I saw that Steve recommended an OS 1.60 and I think that is way too much power for this plane.

I built my plane without flaps to match my full-size Cessna 120. The model flies very good, very much like the full-size. Don't expect good aerobatics because the roll rate is very slow.

I would attach pictures, but cannot do so until April when I am back home from my Florida vacation.

Don
Old 12-06-2004, 10:58 AM
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Default RE: Jack Stafford Cessna 120/140

Okay, got a lot of work done this weekend. Lots of carving on the fuselage to get it to shape. I used a razor planner from Tower Hobbies to get a lot of the balse to rough shape and then used a course sanding block to finish until final sanding latter on. The pieces of balsa allow the fuelage to build up quickly. Will start on the wings latter this week, I hope.
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Old 12-06-2004, 02:31 PM
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Default RE: Jack Stafford Cessna 120/140

I didn't recommend; I was asking...
Old 12-06-2004, 11:07 PM
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Default RE: Jack Stafford Cessna 120/140

How do they deal with duplicating the formed metal on the ailerons, flaps, and elevators?
Old 12-07-2004, 11:09 AM
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Default RE: Jack Stafford Cessna 120/140

Scott is that you?

Unfortunatly they have not reporduced the metal skins as the full scale has. The kit comes with flat balsa[][], what I plan to do is to use metal litho plates that I purchased a local newspaper to recreate the same effect. Hopefully it will look good and scale.

Mike
Old 12-07-2004, 02:39 PM
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Default RE: Jack Stafford Cessna 120/140

Mike & Scott,

Is this what you are trying to reproduce? If so, it's done with styrene plastic angles. Talk to the folks at JSM and they just might be able to supply you with what you need.
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Old 12-07-2004, 02:56 PM
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Default RE: Jack Stafford Cessna 120/140

Bomerguy,

Thats it!!!, what size did you use and where did you get the angles? Thanks so much for the information.
Old 12-07-2004, 03:24 PM
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Default RE: Jack Stafford Cessna 120/140

Mike,

I sent you a PM. I'm not sure what size they are but I do know Jack Stafford Models has them in stock.

John
Old 12-08-2004, 12:16 AM
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Default RE: Jack Stafford Cessna 120/140

Yup that's what I was interested in. I seem to recall seeing a formed plastic material in sheets for duplicating the control surfaces, but that was years ago. The triangles look pretty good though.

- Scott

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