Oct 09, 2012, 09:02 AM
RC 4 Life
sparks's Avatar
Please let me know how it works out.
This little plane has a misbehaving stigma attached to it that I'd like to see squashed.
I am the guy that attached it though.
All of the cartoon models fly great above 1/4 throttle but this one gets unstable at 1/2 .
That’s why I recommend that on the test flight and after the trims are set that you go up high and see how slow you can go.
This precaution will set you up for a good landing.
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Oct 09, 2012, 09:10 AM
Parkesflyer
RJPIoW's Avatar
I might just increase the tip chord depth as well, I have done that in the past on elliptical wings, combined with adding 1.5deg washout it stopped all the tip stalling horrors.
Richard
Feb 13, 2013, 10:25 PM
RC Adddict
Wilfor's Avatar
Well apparently its been to long since i built my stang so a little reading is in order to make sure i get my wings right . Good think i read the part i thought was the 6 mm leading edge shim actually glues on top of the wing . If i actually get up at 3 am with my alarm i'll glue them on before work
Feb 14, 2013, 07:34 AM
RC 4 Life
sparks's Avatar
yes, that strip is there to keep the leading edge thick so you have material to make it round.
Thin leading edges stall without warning so don't try to make it sharp thinking you are reducing drag.
Feb 14, 2013, 07:52 AM
RC Adddict
Wilfor's Avatar
Reading my mind this morning sir . Didn't have time to glue them on this morning and was thinking I'd bypass them but I won't . Really gonna Try and keep things light unlike my portly stang
Feb 17, 2013, 01:43 PM
RC Adddict
Wilfor's Avatar
3 Wings now have the top sheeting on and the gluing is drying . Heading outside with the kids now to enjoy a beautiful day and hopefully i can sand up some LE tonight and maybe cut out some ailerons .
Feb 18, 2013, 01:27 PM
RC Adddict
Wilfor's Avatar
Starting to look like a wing . Sanding the centre square with dihedral set at tips . I like to lay down tape so I don't dig into the foamName: image.jpg
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May 18, 2013, 10:43 PM
Registered User
tanner331's Avatar
Hi
I am working on a cartoon spitfire.
I have made a modification so that the wing is removable. I am using bolts to hold the wing to the spitfire.
I will show more details when I finish the spitfire.
Here are some pictures.
Tanner
May 20, 2013, 07:34 AM
RC 4 Life
sparks's Avatar
Cool modification, it should make any adjustments easy.
Thanks for posting it.
Sep 07, 2013, 10:36 AM
RC 4 Life
sparks's Avatar
How did the wing dowel hold up?

I was a little concerned about how firmly the fuselage is attached.
Bonding it in place tends to spread out the stress. .
Oct 23, 2013, 12:04 PM
RC 4 Life
sparks's Avatar
The Cartoon PT-19 just started here
https://www.rcgroups.com/forums/show...9#post26447235
I just wanted you give you Spitfire builders the heads up.
Apr 14, 2014, 08:01 PM
Registered User
TAFARI's Avatar

Spitfire "grey nurse"


After some months here is the Spitfire "Grey Nurse", maybe the first finished spitfire, some details are missing (cannons,marks, air scoops).
Now I have the four warbirds, P-40, P-51, Spitfire, Me-109.
From México.
Apr 18, 2014, 08:21 PM
RC 4 Life
sparks's Avatar
Id love to see a shot or two with the details.
Looks like you are almost there already.
Jan 30, 2015, 06:41 AM
RC 4 Life
sparks's Avatar
On post # 6
I have added a 3 inch disk , 6 mm thick to the motor mount formers.
This is due to cracks forming when the prop shaft contacts the ground.
( flip overs or cartwheels )
This modification should fix the problem and not cost us much in weight.
Apr 04, 2015, 11:38 AM
RC 4 Life
sparks's Avatar
While I was developing a new Cartoon plane I tried another way to bond the plastic to the foam frame. In the past I had you apply Gorilla glue to the top edge of the fuselage skin and formers. Then applying plastic tape to the edge to hold it down while it sets up. The new method eliminates the need for the tape. This new method eliminates any skin damage the tape may cause and bonds the plastic firmly against the foam skin leaving a much smaller panel line.

So, Use masking tape along the edge of the plastic part. This tape is applied to prevent the over spray from the spray adhesive from getting to the outside. Spray the edges first and remove the tape. Apply Gorilla glue to the formers only and stop short of the skin about ¼ to ½ inch to allow for runs. Place the plastic on the model and position it where you want it then rub the edges against the model. You only have a short time for adjustments so practice this step first. Let the model rest with the edges facing up so the Gorilla glue runs toward the plastic skin.


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