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Old 02-14-2006, 04:05 AM   #1
tedworld
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Default Predator UAV

Anybody own/flown the Draganflyer Predator B UAV? I have the barebones ARF with Speed 400, no cameras. Just wondering about some issues with CG.

The plane manual specifies a 600mah 8.4v nicad. I'm using either a 600mah 7 cell 8.4v Nimh (3.2oz.) 750mah 7 cell 8.4(3.5oz.) or 1100mah 7 cell 8.4v Nimh(5.4oz.).

The manual states CG is to be measured with ventral fin attached, canopy on and wings off, using the aluminum spar as CG. It states the attitude should be slightly nose down. With any of those batteries, the nose is definitely more than slightly nose down. I'm using a micro receiver and 9 gram servos, 20a esc and 4 gram v-tail mixer.

Does anybody know if it is airworthy with the recommended smaller battery, even with nose heavy? I really don't want to make toothpicks the first time out, compounded by the fact it is hand launch only.

The only way I've found to get it to balance out nicely is by attaching wireless camera pod and 9v battery which adds another 4 oz. to the flying weight, somewhere along the bottom between the rails. This seems heavy.

Tips?
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Old 04-20-2006, 04:36 PM   #2
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I am late to this dance but I just bought the Art-Tech Predator and love it. The only changes I made to it was adding my 9Z radio and adding a servo to make the lower rudder functional. The plane flies super with the stock motor, matter of fact I had to keep it at 1/2 power the whole 20 minutes to make it fly a more scale speed. I am impressed for the $140 I paid for the plane, GWS clone 6 ch radio (its in one of my sail planes now) and power set.

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Old 07-25-2006, 12:04 AM   #3
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Were did you pick up the Draganflyer Predator B UAV or who sells that one thanks
 
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Old 07-25-2006, 12:13 AM   #4
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I found it at a hobby store here in Spokane
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Old 07-25-2006, 12:37 AM   #5
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Originally Posted by rcguyme View Post
Were did you pick up the Draganflyer Predator B UAV or who sells that one thanks
YIKES!!! $599 WITHOUT any cameras!!!

http://www.rctoys.com/predator.php
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Old 07-25-2006, 12:44 AM   #6
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ForestCam, Here is a 'balsa predator kit' a bit more reasonable priced... Out of stock right now though...

http://www.littlebirdz.com/proddetail.php?prod=LBPRED

My littlebirdz Predator is still in the box....

Sorry off topic ...

Richard
AMA734491

Fly 'em high, fly 'em low .... but not to low .

"Balsa simply flys better!" .
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Old 07-25-2006, 02:47 AM   #7
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I only paid $140 for mine.
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Old 07-25-2006, 04:54 AM   #8
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WOW all the prices were real high i bought mine for 99.00 bucks same plane as KC135 Boomer but different radio and motor at
http://raidentech.com/
 
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Old 09-07-2006, 07:12 PM   #9
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kc135, are you still flying the pred.? I am considering getting this plane myself. can you get good glides? from the videos I've seen it looks like it has an almost floaty, graceful gliding style of flying about it. but it may just be my imagination... lol
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Old 09-12-2006, 08:47 PM   #10
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And there is always this version. http://search.store.yahoo.com/cgi-bi...query=predator

I added bigger wheels, nose steering, and a hacked CVS vid camera to the belly. Flies on a Rimfire O/R spinning a Graupner 9x5 prop,with a TP3S2100.

When I die, I want to go like my Grandfather did, in his sleep...... Not screaming like the passengers in his plane.
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Old 10-15-2006, 06:52 PM   #11
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does that one have steerable nosegear?
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Old 10-16-2006, 10:48 AM   #12
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Self installed. Hitec 81 servo runs it.

When I die, I want to go like my Grandfather did, in his sleep...... Not screaming like the passengers in his plane.
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Old 12-05-2006, 06:11 AM   #13
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How much room is ther in thefuselage I want to buy one and turn it in to a fully loaded UAV
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