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250 Class Electric Helicopters 250 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


View Poll Results: What is the weight of your 250?
less than 320g 58 18.07%
320g to 340g 106 33.02%
340g to 360g 92 28.66%
More than 360g 67 20.87%
Multiple Choice Poll. Voters: 321. You may not vote on this poll

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Old 04-25-2009, 11:46 PM   #1 (permalink)
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Default What's your 250's weight?

Mine weighs in @ 325g with batt!

TP Pro Lite V2 910 mAH
GP750 + DS420
Align CF Main Blades
Stock everything else
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Old 04-26-2009, 12:12 AM   #2 (permalink)
 

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323g. Many upgrades (all of 'em, I think). KP850 batts.

Almost 1/3 AUW of a 450!
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Old 05-04-2009, 07:57 PM   #3 (permalink)
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I'm surprised we haven't had more responses.
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Old 05-04-2009, 09:11 PM   #4 (permalink)
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mine comes in at 324 grams
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Old 05-04-2009, 09:43 PM   #5 (permalink)
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My older version comes in at 312g and the newer version is 309g. This was using the same Outrage 25C 860 mAh battery. I hesitate to post this values because since it was not on the most accurate scale (I used a post office letter scale), and this is converted number from oz to g. The 12 or so grams I am lighter than the others is roughly 0.4oz. You can take my numbers for what they are worth.

Both helis have plastic 205 blades and ds410 servos on the cyclic. The lighter heli uses the GP750 and JR290, with the weighted tail and metal control arm. The heavier one uses a gy401 and futaba 3154. Oddly the lighter one has the new thicker frame.
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Old 05-05-2009, 07:27 AM   #6 (permalink)
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325gm with a looongmax 800mah and a porky 345gm with a TP prolite 1320mah. 258gm empty all stock except for carbon blades. HAV
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Old 05-05-2009, 11:30 AM   #7 (permalink)
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Mine weigh's in at a fat 372g complete with lipo

TP Pro Lite V2 910 mAH
Carbon blades
Spartan DS760
Align DS520 on tail
Futaba 146ip 35Mhz RX
All the rest is stock

Anthony
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Old 05-05-2009, 12:24 PM   #8 (permalink)
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Mine weighs 332 grams with:
FRP blades (I broke my carbons last weekend)
Outrage 860mAh 30C batt
Hitec HS-45HB (x3)
Hitec HG-5000/HSG-5083MG
AR6100
Gorilla Gear 450 skids
...everything else stock
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Old 05-05-2009, 12:43 PM   #9 (permalink)
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scorpion 2208 3600, 16T, CC25ESC, R617FS with case, GY520, JR290G, sleeving, pro power, all the upgrades and then some.
346 grams


Bone stock, NO MODS AT ALL, stock electronics, stock plastic mains, R617FS with case, wire sleeving, pro power
342 grams


As you can see in the first pic, I removed the blade holders for the weigh in. Battery straps are under the canopies. These are AUW RTF measurements. I believe accuracy is +-2 grams but not positive.
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Old 05-06-2009, 01:26 PM   #10 (permalink)
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288g all up

I'm using:

hs-45hb servos, which weigh 7.25g w/ shortened wires and no arm (stock aligns weigh 12.75 on the same scale)

Logitec 2100 combo, w/ shortened wires. Don't have the align gyro/servo to compare. I'm pretty sure its a bit heavier than what I have.

Stock motor and ESC with shortened wires and no bullets between the motor and ESC

Kong Power battery

No bling , just functional upgrades (205D carbons, chinese weights ect..)
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Old 05-06-2009, 04:31 PM   #11 (permalink)
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Quote:
Originally Posted by fwilly View Post
288g all up
Wow.

Mine comes in at 334g

205D carbon mains
37mm batwings on the tail
Ar6100
CC25 ESC
RCE-600 gyro + Hitec HSG-5084MG
Metal main bearing blocks
Metal tail drive pulley
Metal tail rotor control arm
Outrage 860mah 25c
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Old 05-06-2009, 05:09 PM   #12 (permalink)
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I'm guessing the major weight savings to be had are:
* stock plastic bearing blocks, battery tray bracket and tail block (anybody care to weigh them up and post results? I don't have any of the aluminum upgrades to compare)
* shortened wires
* lighter servos
* CF blades

Lighter batts will also help, but with a significant reduction in run times, so I won't count downgrading mAh.
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Old 05-06-2009, 05:56 PM   #13 (permalink)
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stock plastic parts I have in my parts stash:

tail boom block: 2.03g

main shaft bearing blocks w/o bearings: .40g

input pulley bearing block: 1.41g

lower horizontail frame plate: 2.68
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Old 05-06-2009, 07:46 PM   #14 (permalink)
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Quote:
Originally Posted by fwilly View Post
288g all up

I'm using:

hs-45hb servos, which weigh 7.25g w/ shortened wires and no arm (stock aligns weigh 12.75 on the same scale)

Logitec 2100 combo, w/ shortened wires. Don't have the align gyro/servo to compare. I'm pretty sure its a bit heavier than what I have.

Stock motor and ESC with shortened wires and no bullets between the motor and ESC

Kong Power battery

No bling , just functional upgrades (205D carbons, chinese weights ect..)

Dude... that's impressive. Makes me want to go and start cutting my wires down now.
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Old 05-06-2009, 08:18 PM   #15 (permalink)
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Shortening wires only gets you a few grams, and most of that is the mile long wires they always put on gyros. It does make your heli much neater.
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Old 05-06-2009, 08:52 PM   #16 (permalink)
 
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318 grams here. I thought it might be lighter since I have a really ugly flimsy plastic canopy on it, spartan, ino-lab tail servo, stock swash servos, gaui stock motor and gaui 200 V2 metal tail assembly 205 align blades.
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Old 05-06-2009, 09:33 PM   #17 (permalink)
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Quote:
Originally Posted by lakespinner2 View Post
...thought it might be lighter since I have a really ugly flimsy plastic canopy on it...
The stock FG canopy weighs as much as two servos
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Old 05-06-2009, 10:58 PM   #18 (permalink)
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I only have a low-tech mechanical weigher that measures in ounces. It comes in at 11.8, when multiplied by 32 it is 377. Whether or not that is correct I
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Old 05-07-2009, 12:05 AM   #19 (permalink)
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315 grams for me, i have some futaba 3114 servos that would get me down to 300 if i wanted too.

On a side note, if anyone wants to see a hilarious video, watch finless Bob's don't taco video in his signature
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Old 07-07-2009, 05:28 PM   #20 (permalink)
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382.4 Wow mine is super heavy I thought it might be 25 or 30 grams heavy... but I'm toting and extra 60g more than the norm?
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