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


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Old 05-31-2010, 06:13 PM   #1 (permalink)
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Default 250 hard to work on?

After crashes, is the 250 hard to work with? Since it's at a smaller scale? I have a 450 size.
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Old 05-31-2010, 06:40 PM   #2 (permalink)
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Depends, are your fingers 250 size or 700 size??

Seriously though, you'll probably get varying answers. Depends on your eyesight, dexterity, patience, etc. Personally, I like working on smaller helis due to the intracacy of the parts. But at the same time, I love the bigger ones too.

Jim-
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Old 05-31-2010, 07:10 PM   #3 (permalink)
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I was surprised at how easy it was to repair my 250se. I mounted my gyro on top of the gyro mount and my RX is mounted on the bottom of the gyro mount. So to replace the main shaft all I had to do was remove the bottom plate and move the gyro/RX back a little while spreading the frame, to allow access to the main shaft bottom screw.

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Old 05-31-2010, 11:35 PM   #4 (permalink)
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It's not too bad, I can pull the head, tail and change out the main gear in about 20 min. It takes another hour and half to find the stupid screws I dropped on the carpet. Doh!
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Old 06-01-2010, 12:56 AM   #5 (permalink)
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Quote:
Originally Posted by pmflyer View Post
It's not too bad, I can pull the head, tail and change out the main gear in about 20 min. It takes another hour and half to find the stupid screws I dropped on the carpet. Doh!
lol two words for you with the little helis. Build Towel. the screws will hit the towel and stop no looking. also goto home depot they have a magnet on a pole it's about 18" wide you can comb the whole house in 10 seconds. there about $20. it has saved me a billion hours of crawling on the floor. this tip comes from my 7 yrs daughter. she seen me on my knees and ask what I was dong. I told her daddy dropped a little tiny metal screw. then she said I can find it daddy and goes to the garage and grabs the magnet. two seconds and bingo theres the screw. earlier that day we were cleaning the garage and she seen me picking up nails from the garage floor with the magnet. funny how a childs mind can think of things us adults just over look.
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Old 06-01-2010, 01:06 AM   #6 (permalink)
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They are difficult to work on before crashes too.
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Old 06-01-2010, 02:20 AM   #7 (permalink)
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Depends on what you have to do.

The 250 is similar to a 450 but shrunk down, however, somethings are different like pulling a main shaft or gear, there are extra steps... you have to split the upper frame from the lower, and the tiny bits are a little harder to deal with.

It is one of my harder helis to work on. My Gaui 100/200s and Firefox 200s are much easier to work on. 450 is very easy to work on. My nitro hard, little Walkeras easy, not much to them.

Overall, they are not that hard if you are mechnaically inclined.
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Old 06-01-2010, 05:52 AM   #8 (permalink)
 

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T-Rex 250 are a bitch to work on, they are far to small
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Old 06-01-2010, 06:39 AM   #9 (permalink)
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Default Satisfying

I found it much more satisfying to build my 250 with 3G flybarless. Much more so than my 600 ESP.

I spent a good few hours just tucking cables in neatly and securing all the units. I have no units attached to the outside of the frames - all is inside!!!! even the 3G unit.

Its great that you can pick it up in one hand lean back and tinker instead of being forced to have the heli on the bench due to weight and lean into it.

However i shudder to do any repairs that might involve replacing anything major like a frame side....
Cheers
Russ
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Old 06-01-2010, 08:21 AM   #10 (permalink)
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PACIENCE

Oh and a white build towel as mentioned very nimble fingers good eyesight, magnifying glass and a torch and swear box, but oh boy is it worth it
Rob]
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Old 06-01-2010, 09:20 AM   #11 (permalink)
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I enjoyed the build and a awesome looking machine....

Supertuna
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Old 06-01-2010, 12:20 PM   #12 (permalink)
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Information no longer pertinent, so I removed it.
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Old 06-03-2010, 11:49 AM   #13 (permalink)
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Patience, you mean

250s are very small, but at the same time easy to work on, because you can just flip it over if you need to, without worrying about tablespace, which is a problem for me as I usually do all my maintenence infront of my computer, and just push the keyboard back.
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Old 06-03-2010, 11:09 PM   #14 (permalink)
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Quote:
Originally Posted by Sylver View Post
Patience, you mean

250s are very small, but at the same time easy to work on, because you can just flip it over if you need to, without worrying about tablespace, which is a problem for me as I usually do all my maintenence infront of my computer, and just push the keyboard back.
I bet your surfing while your working on your helis too. rock on brother...
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The ground is only one dumb thumb away!!!
Trex 600CF Silver,401/9253,60XL/75amp,all the metal bling bling
250v1 410's(5065mg's when I get a minute),750g,5084mg, hyperion battery( currently my favorite heli)
450SE V2 NUE 1107/2/H/2.3, CC45apm esc,770 3D/3400g,65mg,V_Blades,4s 21ooma Hyperions
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Old 06-04-2010, 09:45 AM   #15 (permalink)
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Hate to be hackn the thread here but. Can someone tell me if they have used the metal bottom plate upgrade? Is it any good? And can you get it anywhere under 29$ ?
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Old 06-06-2010, 04:24 AM   #16 (permalink)
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are you talking about the boom block? or the boom support? I have them both but I biult my kit with them so I don't know what the plastic feels like but I think mine was only $19.99
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The ground is only one dumb thumb away!!!
Trex 600CF Silver,401/9253,60XL/75amp,all the metal bling bling
250v1 410's(5065mg's when I get a minute),750g,5084mg, hyperion battery( currently my favorite heli)
450SE V2 NUE 1107/2/H/2.3, CC45apm esc,770 3D/3400g,65mg,V_Blades,4s 21ooma Hyperions
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Old 06-06-2010, 11:12 AM   #17 (permalink)
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I think he is talking about the KDE Direct Bottom Bracket Upgrade( http://www.readyheli.com/AT250-BBU-K...0_p_32143.html )... Many manufacturers have MAP pricing to prevent price wars from the retailers... I think everyone sells it for the same price.
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Old 06-09-2010, 04:46 AM   #18 (permalink)
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Easy enough to work on compared to the 450 except for the screws. They are really easy to strip with the supplied tools in the kit.

Get a bag of spare screws and decent hex key, the one supplied is not quite good enough. Don't put in too much force when tightening down, especially on the ones you know you will want to undo again (like the ones holding in the tail boom).
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Old 06-09-2010, 09:31 AM   #19 (permalink)
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I ordered my alluminum bottom bracket from micro heli. 24.95 thanks for the replies
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Old 06-11-2010, 09:57 PM   #20 (permalink)
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Quote:
Originally Posted by Steve Joblin View Post
I think he is talking about the KDE Direct Bottom Bracket Upgrade( http://www.readyheli.com/AT250-BBU-K...0_p_32143.html )... Many manufacturers have MAP pricing to prevent price wars from the retailers... I think everyone sells it for the same price.
yep corrected thenk you. lol
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The ground is only one dumb thumb away!!!
Trex 600CF Silver,401/9253,60XL/75amp,all the metal bling bling
250v1 410's(5065mg's when I get a minute),750g,5084mg, hyperion battery( currently my favorite heli)
450SE V2 NUE 1107/2/H/2.3, CC45apm esc,770 3D/3400g,65mg,V_Blades,4s 21ooma Hyperions
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