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new combat spad

Old 07-15-2008, 09:55 AM
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Default new combat spad

here is my latest plane. its like the sig wonder. there are some of these being used in the UK. all coro of course. I was going to maiden it last night but My pinky finger decied to tangle with the prop on another plane I was testing, six stitches later. I will maiden it tonight





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Old 07-15-2008, 10:04 AM
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Default RE: new combat spad

That looks really cool. I hope your finger heals quickly. ouch.
Old 07-15-2008, 10:06 AM
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Default RE: new combat spad

Draftman

What size engine are you using?
Old 07-15-2008, 10:07 AM
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Default RE: new combat spad

Thank you Mclina. Hows that Bipe coming along?
Old 07-15-2008, 10:12 AM
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Default RE: new combat spad

its an os 25fx. it weighs about 3 lbs. its for open B combat.
Old 07-15-2008, 10:30 AM
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Default RE: new combat spad

A question if I may on general combat ships.

I have seen many designs, and I cannot remember even one I looked at that was a "Combat plane" that had a rudder. Why is this? is it just that unnecesary for this style of flying, or is it an attempt to reduce cost on a plane that has a high chance of being dumped due to collisions and the nature of the sport?
Old 07-15-2008, 11:02 AM
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Default RE: new combat spad

Hey Adui, hows it goin? im not sure about all of the reasons but here is what I think. an actual moving rudder just isnt necessary. the ailerons turn the plane great. yes the servoes are a little more expensive than the standards, there is also a weight limit. there is no landing gear, therefor a tailwheel isnt needed. in a combat meet, it is balls to the wall for five minutes and there is no reason to have to worry about the rudder. its just one less thing to think about. if you have never seen combat, either live or on the net, you gota see it. its crazy and flying it is even crazier. The planes do have rudders, they just dont ove. check out the corostang plane or the dog fighter. 2 of the best starter combat planes, among many others. Open B class is hard core. there is also SSC, slow survivable combat. a little more relaxed. alot of guys just do informal club combat. fly what you brung type of thing. its all good!!!
Old 07-15-2008, 11:43 AM
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Default RE: new combat spad

I have a 25 looking for a home. Do you have any plans on the plane?

How fast is it?
Old 07-15-2008, 11:51 AM
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Default RE: new combat spad

Our club uses SPAD Derelicts, mostly powered by OS .25FX's. Like Draftman said, a rudder is just not needed. There is just a lot of looping and rolling going on. During the last round that I participated in, I put my Derelict straight into the cornfield at full speed. The result was a gouge in the wing where the muffler hit it, and a cracked firewall. I replaced the firewall, taped up the wing, and it is back in the air. They are very tough little planes.


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Old 07-15-2008, 12:51 PM
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Default RE: new combat spad

Gringo, I will get the plans after I test it. Im not sure how fast its gona be yet. are you looking for pure speed? I am looking at the manuverability part of it. in combat it is more looping and turning and stuff. I will let you know on the speed. a speed plane would need a smaller elev/rudder and a thinner wing
Old 07-15-2008, 03:51 PM
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Default RE: new combat spad

I used to fly a sickle with an old royal 40 on it. It was pretty fast. I wore it out and it had to be retired. I have always wanted to build another but have always had other projects higher on the list.

This looks like a fun sickle type project.
Old 07-17-2008, 11:18 PM
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Default RE: new combat spad

I finaly got to maiden this plane. It is Wundaful!!! its very stable and rolls and loops tight. Its gona make a great combat plane. I gota get busy, 4 more to build this week.
gringo, I will get some dimensions next week for you. this plane could be fast with a bigger engine on it
Old 07-18-2008, 10:58 AM
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Default RE: new combat spad

I have a TT pro 25 and TT pro 46. Would the 46 be too much?
Old 07-18-2008, 11:12 AM
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Default RE: new combat spad

it would be alot. and it would really haul. you might get some tail flutter at high speed. maybe a 5 to 10 percent enlargement would be better.

w.s. 48"
tip 6"
root 11"
fuse 21"
elevator 16" x 9"
rudders 6" x 9"
spar 7/8" tapered to 5/8" , taper starts 12" from ends
coro fuse with canadian pipe formers

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