|May 01, 2007, 07:53 PM|
F22 Hangar 9
I received my new F22 from Horizon Hobby today. First glance very nice. Rough airframe weights are as follows--
Fus- 34 oz
Wing tubes 4 oz
wings/etc 34 oz
wheels 3 oz
hardware 7 oz.
total = 82 0z, 5 .125 lbs
This is without the engine parts. This was the basic kit.No engine supplied.
Comparison between engine parts and electric motor parts.
Evolution .52, 14.7 oz
Full gas tank, 12 oz
Engine mount, 6 oz
Total weight 32.7 oz
Electric Motor parts--
AXI 4120, 11.30 oz
123 5s1p, 13 oz
CC ESC 1 oz
total 25.3 oz
The 1p5s will have a short run time. By going to a 2p5s the run time will be about 8-9 minutes. This increases the weight 13oz for a total of 39.3 0z., 7 oz more then the stock Evolution. The AXI 4120 is equal to a .60. I could use a AXI 2826 which is about a .40-45 and save some weight but this is a heavy plane and I think the 4120 is a better choice.
I do not have the servos etc yet and don't have the weights. On order from tower. I think the total weight will come in about 7.5 -8 lbs. This is a very acceptable figure imho considering it has a wing area of 731 sq in.
I'm very busy right now and the way I work it will be a month or so before I get this thing in the air.
I flew my Bipe today with 123-1p3s. These replaced my emolis. Saved about 10% weight. Got 4 flights in with multiple take offs etc. Out of a 2400 mah I used only 1200mha for each flight of about 5-6 minutes. 123 are wonderful. The plane flies much better.
|May 05, 2007, 11:12 AM|
dusty,looking forward to seeing her, I'm contemplating it for my Eflite 46 I have on a .40 profile I'm pretty sure the wings will rip off of.
|May 05, 2007, 12:00 PM|
I found a site that discussed the F22 in depth. "Aircraft Fuel, beginner's trainer." of all things. Lots of negative comments that has me a bit worried.
I think every one here must be smarter then I. But I'll plow ahead with the project. This thing is definitely a lead sled, not good.
If it doesn't work I'll just move the stuffings over to a U -Can- Do or a Senior Kadet both under constriction for a long time. Got to have a big backlog to be happy.
|May 05, 2007, 02:15 PM|
Dusty,I have a HUGE backlog,and I'm just starting to work on it again after not being in the building mood for a week. Check out the other thread,theres been one converted with a Power 60
|May 06, 2007, 01:40 AM|
Where is the other thread? I searched this forum (but not the others) I just picked up this plane and placed the order for a power 60. I am going to use this as a second trainer for the kids, but they got a kick out of it when I told them I could make it electric for them.
|May 06, 2007, 12:23 PM|
CRCJA, make sure you read the glo powered reviews I mentioned. Some like it some don't. It doesn't sound like a model for beginners or even intermediates in some cases. I couldn't find the site mentioned either.
Anyway keep us informed of your progress. Good luck.
As it's laying in my shop I occasionally look at it . A really nice looking plane.
A pretty face has got me into a lot of trouble in my long life. sigh.
So my latest hare brain idea is to get the weight out of the fus. That beast weighs 2 lbs. So today I'm thinking about using the existing fus as a plug and making a fiberglass/carbon fiber fus. I think I can get rid of 18 oz of fat and have a stronger fus.
But tomorrow is a new day.
|May 06, 2007, 01:36 PM|
also the videos show it flying fine, just build it and have a ball! I would but I've got a few BIG projects already. Just bought a .90 Dago Red to convert at SEFF with the 1000 watt outrunner I mentioned and still have to finish my TM Pro Extra .40 with the eflite .46 ,and 55" 337.
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