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HomeAircraftHelicopterAlignT-REX 700N › New Derlin MainDrive Gear
01-13-2009 12:57 AM  9 years agoPost 1
george0079

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USA

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Has anyone had a chance to try the new CNC Derlin Main Gear from Microheli?

http://www.microheli.com/product_in...products_id=754

Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!

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01-13-2009 02:14 AM  9 years agoPost 2
LONEWOLF2440

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MYRTLE BEACH S.C

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Wow is that the price of one main gear

MIKADO LOGO 600 TREX 550

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01-13-2009 02:15 AM  9 years agoPost 3
george0079

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USA

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I didn't say they were cheap. I just said that Microheli is now making one....

Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!

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01-13-2009 02:19 AM  9 years agoPost 4
4cyclic

rrKey Veteran

Montreal, Can. and northern Vermont

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If the gear doesn't strip, then the price is quite reasonable.

Life is meaningful flying helis.

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01-13-2009 02:23 AM  9 years agoPost 5
Mike Fortin

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USA

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Since the gear is made of CNC'd Delrin it's going to be on the expensive side but it shouldn't strip.

On another note the HN7019-1 Align Main gears (16.99 for 2) should be out this week.

These are a bit wider of a diameter than the stock gears, they give a very tight mesh at first but once they are run in a bit they do loosen up.

Have Rotors, Will Fly!

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01-13-2009 02:37 AM  9 years agoPost 6
LONEWOLF2440

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MYRTLE BEACH S.C

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If it works it will be worth the money

MIKADO LOGO 600 TREX 550

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01-13-2009 05:28 AM  9 years agoPost 7
duke666

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Hampshire, UK

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Looks like that will solve the problem. Anyone know if Microheli parts are stocked in the UK by anyone?

Duke

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01-13-2009 02:56 PM  9 years agoPost 8
coolice

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Northamptonshire, England

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Looks like that will solve the problem. Anyone know if Microheli parts are stocked in the UK by anyone?

Duke
Hey Duke,

I think Midlands are (or were) MicroHeli stockists.
.

Ian Contessa
Team Robbe SchluterUK
Midland Helicopters

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01-13-2009 03:22 PM  9 years agoPost 9
JRjoe

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Jonesville , IN USA #1

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Delrin Main Gear , Hmmmmm....

I just might have to try it.


JRjoe.....
Indoor plumbing??? No, we don't need that!!!

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01-13-2009 05:21 PM  9 years agoPost 10
duke666

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Hampshire, UK

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Thanks coolice, I'll give them a bell

Duke

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01-14-2009 11:15 PM  9 years agoPost 11
TCP

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Kingsley, MI - USA

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mine should be here in a day or so i will let you know how it works.

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01-15-2009 11:11 AM  9 years agoPost 12
coolice

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Northamptonshire, England

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Thanks coolice, I'll give them a bell

Duke
Your welcome matey.

I'll be interested to know myself as to if they will be getting this gear if they are still, so when you find out let us know.
.

Ian Contessa
Team Robbe SchluterUK
Midland Helicopters

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01-15-2009 01:22 PM  9 years agoPost 13
TDriver

rrVeteran

Portage IN

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Delrin Main Gear , Hmmmmm....

I just might have to try it.
You have lots of time to order it . It will be June or July before you need it

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01-15-2009 01:55 PM  9 years agoPost 14
John Benario

rrVeteran

Las Vegas

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Having taught myself gear engineering and manufacturing in the last 2 months, $26 for a CNC gear is extremely cheap. I have come to appreciate why a lot of machined main gears are in the $40-$60 range. 5 inch delrin itself is in the $20 an inch price range from Mcmaster.

In any event, I have been brutal to my 700 and I have not had a gear stripping issue, and that includes a flight during which both engine mount frame bolts on one side came out (whoops!)

John Benario

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01-15-2009 02:52 PM  9 years agoPost 15
S76 Mech

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Hatboro, Pa.

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John, what are the temps your flying in though, I'm guessing that its not that cold in Atlanta

From what I have read and 'experienced' alot of the main gear stripping issues are not only caused from excessive gear mesh, but cold temps and brittle plastic.

$26, that doesn't sound bad to me, if I go thru my current set of gears, I might give it a try.

Gaui Greatness X7, X5, NX4, X3

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01-15-2009 03:30 PM  9 years agoPost 16
duke666

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Hampshire, UK

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Coolice - emailed, waiting for reply.

Duke

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01-15-2009 07:43 PM  9 years agoPost 17
Mike Fortin

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USA

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The new Align HN7019-1 gears are in stores now.

Have Rotors, Will Fly!

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01-16-2009 09:27 PM  9 years agoPost 18
B.F

rrNovice

Graham, WA.

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main gear for align 700
Looks to me like they need to make these gears out of metal instead of plastic. won't strip that.

B.F

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01-17-2009 12:35 AM  9 years agoPost 19
Anthony.L

rrElite Veteran

Seattle, WA

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Looks to me like they need to make these gears out of metal instead of plastic. won't strip that.
There are very good reasons why gears are made out of plastic. Metal gears would be very heavy, very loud, more expensive, and wear faster.

I'm curious to try the CNC gear. Hmmm $17 for two new Align -1 gears, or $27 for the CNC delrin. If you ask me $27 is a killer price for a CNC gear. Look at the price of the a Synergy N9 CNC main gear, $55...

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01-17-2009 02:22 AM  9 years agoPost 20
latesleeper

rrApprentice

OH

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I'm guessing the machined delrin gear should be quieter too. At least that's the way the Hirobos were when switching out the plastic gears for the expensive delrin.

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HomeAircraftHelicopterAlignT-REX 700N › New Derlin MainDrive Gear
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