Glow to Electric Conversions Discuss glow/gas conversion to electric here.

Thunder Tiger Lazy Tiger P-51

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Old 09-07-2004, 01:08 PM
  #1  
flymeaway
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Default Thunder Tiger Lazy Tiger P-51

Just picked up one of these to convert to electric - anyone else elecrify one of these? Any advice would be appreciated.

I'm planning on running a GP S-600 geared 3.5:1 swinging a 10x6 from 8cell-2400 Ni-Cd. Not the most efficient system out there I realize, but I had it lying around and wanted something light and easy to fly to throw it in. After lightening it, I suspect I will end up with a flying weight of around 3.5lbs.

The original specs:
Engine: .25-.30 (2-stroke)
Wingspan: 53.5" (1359mm)
Wing Area: 740sq in
Weight: 2.5 -3.5 lb (1.2-1.6kg)
Length: 42" (1066mm)
Airfoil: Flat Bottom Low-Wing
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Old 09-07-2004, 03:59 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

Something like this? Mega 22/20/3, 2.5:1, 14-2000's, 12x6 prop, lengthened the main gear for prop clearance. Moved the servo tray to the rear of the wing saddle and cut off the throttle servo bay. Made a battery tray out of light ply. I suggest cutting the top for access to the battery tray so the wing can stay on during charging. If you would like to see pix email me.

Ray
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Old 09-07-2004, 04:11 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

I guess I could post the pic right here.
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Old 09-07-2004, 04:46 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

Looks good. Thanks for the pics. I was thinking I'd have to move the servo tray like you did.

A few questions for you:
Are you using standard servos or micros?
Is that motor you are using have enough power for this plane?
What is your flying weight?
How long are your flight times?
In general, how does this plane fly?

Thanks.
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Old 09-09-2004, 03:24 AM
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Default RE: Thunder Tiger Lazy Tiger P-51

My Lazy 51:

Jeti 30-3
11x5.5 apc-e prop
TP 3s4p gen 1 pack

I'm using Hitec HS -81 servos w/ extended servo arms.

Duration is 20-25 minutes and it flies great.

John
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Old 09-11-2004, 08:22 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

I sure don't get 20 minute flights out of my 2000's but I can do between about 4 min. continuous full go to about 15 just putsin' around. I'm using standard servos and my ESC is an OPTO so I also have a flight pack on board. I know I weighed it once but I just don't remember what it came out to.

It flies just fine on 14 cells but a 12 cell pack seems a little lacking even though it will take off from a grass field just fine. Remember, you have 740 squares to float around on so don't get to worried about a couple of extra ounces.

I've thought about trying my F10LMR on 7 zapped CP1700's in the Tiger but it might just be too much of a rush.

Keep 'em hummin'

Ray
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Old 10-06-2004, 09:00 AM
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Default RE: Thunder Tiger Lazy Tiger P-51

have successfully completed the maiden flight with my Lazy Tiger P51 powered by an Axi 2814/10 , 2 Thunder Power 2100 11.1v wired in parallel. The first flight was only about 2 minutes, so I switched from a Jeti to a Phoenix 35 speed controller. It is much easier to program with the optional USB cable. The second flight was about 7 minutes at various throttle settings. I previously had a glow powered Lazy Tiger, one configuration used a Magnum .28 and another used an OS 32 SX. The Axi 2814/10 and the Magnum perfromance is very comparable. The OS 32 SX ismuch stronger. Overall I am quite pleased with the results. My next conversion will be a Hangar 9 Aresti, then a Sig Wonder.

Woodduck
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Old 11-23-2004, 09:26 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

I have a AXI 2826/10 in mine and I use 3S and 4S lipo packs with a 13X6.5 or 12X6 and she flies great. Here's a few shots right after takeoff.
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Old 11-24-2004, 01:54 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

woa nice I have one just like this But I haven't install the engine...after seeing you guys I think I'm gonna do electric conversion [8D]

I was gonna put a 46 motor in it, but the motor does not fit the motor mount []

Anyway,
can anyone reccomend a good, FAST Brushless motor?
And what type of battery pack? I want atleast 15 min flights running at above half thorttle and 10 mins around full throttle.

I have a 250 budget, I need a motor, batteries, speed controller.
Also I have a standard futaba 7 channel reciver and 4 cell 4.8 volt battery pack for it.
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Old 11-24-2004, 02:28 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

$250 won't cut it. I really like my AXI 2826/10 and highly recomend it on a 4S2P lipo pack. The motor and speed controller is found here: http://www.hobby-lobby.com/brushless...axi.htm#282610 and I use a pair of iRate 2600 4S packs found here http://www.unipros.com/cbpsite/fpack...sion_id=132829
You could substitute 12-14 cells of Nimh 1950 or 3300, but it would be heavier and not fly as long.
Looks like around $450 to make a really nice conversion.
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Old 11-24-2004, 02:45 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

Alkaline - I got a 46 FX in mine. What I ended up doing(this is the second one now) was cutting off the "cheeks" and mounted the engine sideways with the muffler hanging below. Oh, and I added retracts and beefed up the wing. Also re-covered totally in chrome monokote. Only two flights on it so far, but easy unlimited vertical. Just so you know it's possible. [8D]

Nice planes ya'll, Sounds like pretty good performance on E-power.
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Old 11-24-2004, 03:29 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

cwrr, can you post a pic of how you mounted the engine?
I think I'm gonna have to do it side ways also, beacause the nose tip of this plane converges in :/
how does the plane frly with the "CHECKS" cut off?

A friend of mine said he did the same thing and his plane easily hovers around. Also what prop are you using? I was thinking with going with a 11x7.. I"m also running 20% magnum nitro fuel...I have an Tower Hobbies 46.

e-conversion sounds nice but I don't think I'm going to spending 450 for it
you guys are just to hardcore[X(]!
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Old 11-24-2004, 04:17 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

You don't have to spend $450, but I did.
You can also get a monster truck motor and gearbox and nicd batts and easily come in uder the $250. It will fly good, but not as long.
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Old 11-24-2004, 07:00 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

Can't get to my pictures until about Dec 10-15 or so, I'm stuck in the bad desert right now. Only had one day of flying before I left in Aug, will absolutely take and post pictures when I get home tho. Plane flies just fine without the cheeks, and IMO, it looks better with a big chunk of engine sticking out. Unlimited vertical, lotsa power. (only weighs ~3lbs).
Prop if I remember right was APC 11x8 for break-in, flying with APC 12x4(12x4.5), (but may change that later) for all out thrust and to keep the speed down. Don't want flutter!
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Old 12-04-2004, 10:58 PM
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Default RE: Thunder Tiger Lazy Tiger P-51

Alkaline;
I have one with an Astro Flight 15G and 14 cells. Great flyer. You can pick these motors up on Ezone or Ebay fairly cheap. A good 35 amp ESC will do the job. You can but everything including an extra battery pack for your $250 budget. Just be sure to bend the landing gear forward a bit to help with the nose over problem.

Steve
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