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Search: Posts Made By: IFlyEm35
Showing results 1 to 25 of 70
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Forum: RC Jets
01-10-2015, 05:18 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

I miss mine. :-(

I miss mine. :-(
Forum: RC Jets
05-16-2013, 07:41 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

I only flew the model once with flap only. I do not recall how slow I flew it on the maiden. I put the crow in because I didn't care for the nose down attitude the airplane assumed with the flaps....
Forum: RC Jets
05-16-2013, 08:35 AM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

I agree. I find it interesting how many people are having issues with the model stalling. Mine is about as heavy as they come as I have every tank imaginable, smoke, and the monster battery...
Forum: RC Jets
05-15-2013, 01:17 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Load Factor is the ratio of Lift to Weight. Essentially it is a G-Force. So in straight and level unaccelrated flight the load factor is +1. So if the weight goes up the lift needs to be...
Forum: RC Jets
05-15-2013, 11:30 AM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

To expand:

Stalling is a component of reaching the critical AOA (Angle of Attack). AOA is increased with a forward CG because the increased distance between the center of pressure (lift) and...
Forum: RC Jets
05-15-2013, 07:35 AM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

I'm writing from my phone so I'll give you the Cliff's Notes version and update it once I get to a computer.

You are correct. Weight affects stall speed. Your CG is in front on your center...
Forum: RC Jets
05-14-2013, 09:35 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

One of the benefits of having an aft CG is a lower stall speed so that would make sense.
Forum: RC Jets
05-14-2013, 06:24 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

True. Plus, in theory, having the ailerons come up a small amount you are effectively changing the camber of the wing from the aileron out and in a stick nuetral state reducing the AOA at the tip...
Forum: RC Jets
05-14-2013, 01:27 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

The nose pitches up because of the increased lift due to the increased AOA. That's why it requires down trim.

Believe it or not we are basically on the same page. ;)
Forum: RC Jets
05-14-2013, 12:18 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

You really aren't adding drag by using crow. You are just achieving the drag differently. Two airplanes cruising around with the same power setting and speed have equal drag regardless of CROW or...
Forum: RC Jets
05-14-2013, 10:47 AM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

I'll have to check on mine. I think thats about what I am using.
Forum: RC Jets
05-14-2013, 10:24 AM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Exactly! A good landing starts WAY before the flare. Just as with full scale a stablized approach will make your consistant and reduces the risk of surprises.
Forum: RC Jets
05-13-2013, 08:16 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

TUMBLER,

I would double check your CG and try crow. I tried the 4" flap and then switched to crow and felt, for me anyway, that the crow was much better. Here is a video of my 2nd flight. ...
Forum: RC Jets
04-11-2013, 06:15 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Make a composite Boomerang and I'll buy one!
Forum: RC Jets
12-17-2012, 09:52 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Aren't P-100's running $2600? Why not get a K-140F for $2450.00. You save a $150 and get around 50% more thrust. If you want to save gas you can still dial the engine back. Either way if you...
Forum: RC Jets
12-16-2012, 08:29 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Agree completely. I have gone to the crow setup and I REALLY like it. Plus it give the airplane a more "normal" pitch attitude. Didn't feel like I was "dragging" it in as much.
Forum: RC Jets
11-15-2012, 10:35 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

I will check that out. Yes I am using Behotec. Thanks Dave!
Forum: RC Jets
11-15-2012, 07:16 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Figured out the cause of the squirrelly ground ops. Turns out that the main struts were swiveling. Not good.

Now I have to figure out why I am getting so much air loss on the initial...
Forum: RC Jets
11-14-2012, 10:52 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Dave,

Do you prefer T's with nipple fittings?
Forum: RC Jets
11-14-2012, 10:27 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Never did get around to posting some pics. So here they are:

http://i144.photobucket.com/albums/r187/mvedepo/DSC041481280x960.jpg

...
Forum: RC Jets
11-14-2012, 10:21 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Good info. I am using the stock wheel. I have the throw reduced to 40% and 60 expo at takeoff flaps.

Thanks!
Forum: RC Jets
11-14-2012, 07:42 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Got my maiden in today! For the most part it went good. Anytime you can bring the model home in one piece it's a victory right? ;)

I ended up needing 4 clicks of left aileron and 8 clicks of...
Forum: RC Jets
11-06-2012, 07:03 AM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

What speed are you running?
Forum: RC Jets
11-04-2012, 05:42 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Well got everything pretty much done and was about to finish the canopy. That's when I realized the the dang guide tube is broken right inside the nose. [:@][:@][:@]

Not sure how I am going...
Forum: RC Jets
11-03-2012, 05:45 PM
Replies: 6,824
Views: 1,674,025
Posted By IFlyEm35

RE: C-ARF Ultra Flash build Thread + Video

Hey Dave,

I have my throws set to your setup that you posted earlier in this thread. Are you running and flight modes or dual rates?

Thanks!

Mike
Showing results 1 to 25 of 70
 
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