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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Hirobo Chinook
04-18-2016 02:41 PM  31 months agoPost 1
SJN

rrApprentice

Denmark EKCH

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Hi Guys.

I just traded in 3 fixed wing foamies planes for this Hirobo chinook :-)

The previous owner bought and built it in 2009, and had 3 flights on it before the belt slipped, and the two rotors met each other in flight.

The frame skeleton is slightly twisted after the crash, but Im pretty sure it is easy to streighten up. Not too concerned about that.

There are quite a few new parts included.

He also bought 2 new 3 blade metal hirobo rotorheads, but he had problems installing the old blade grips on this head due to the spindle shafts being too large in diameter, so he gave up on the project.

It looks like all I need to do is remove the larger diameter spindels,and install the stock chinook ones instead ? Will see how that goes.
Is this metal rotorhead desigend for the Lama or something ?

It has an older OS 50SX blue head in it.
Fuselage was not installed when it crashed, so that is nice.
But the front windshield, and curved windows are missing :-( Why is it always that the complicated windows in kits are missing..... :-)

Sonnich Johannesen

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04-19-2016 02:55 AM  31 months agoPost 2
conbones

rrApprentice

panama city beach FL

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cool not to many of those out there i suspect. I hope you get it in the air. i would love to see it fly.

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04-19-2016 06:54 AM  31 months agoPost 3
goodhunting

rrVeteran

Slovenia ... somewhere in Europe

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wow now this is a cool find you got there...
and an awesome project too.
Will follow with interest to see it get back in the air..

gh

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04-20-2016 09:04 AM  31 months agoPost 4
SJN

rrApprentice

Denmark EKCH

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Thanks guys.
I hope to get it in the air too :-)

First step was to remove the inccorect spindles, and install the smaller diameter ones with new rubber dampers. The new ones are aparently also a revises version that have a little o ring and slightly different shape.

You can see them in the second picture. The ones to the left are the original ones damaged in the crash, and the ones in the middle came with the head, and do not fit the chinook, ans the ones to the right are the new revised versions that I have installed.

So got them lubebed,and installed.

A few minor parts are missing.....mast stopper, wahers, and pitch links and rod ends, and swash plate anti rotation bracket. But these items are easy to get, as they are commen to other hirobo helis.

Sonnich Johannesen

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04-20-2016 09:19 AM  31 months agoPost 5
SJN

rrApprentice

Denmark EKCH

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Some of the alu frames are bent out of shape, so I decided to remove them and see how bad the damage was.

There are millions of nuts and bolts in this kit :-)
Luckily, they are almost the same length and size, so it wont be i nightmare to get them back into the right positions again when assembling.

Once the frames are apart, the damage seemed quite bad. But the aluminium is ver soft, and I could actualy fairly easy work the pieces back to the correct shape, and checking them on a glass surface for trueness.

Im quite satisfied with the reparied parts. Plan was to order new frames.....but it realy isn`t nescessary.

Landing gear was also warped out of shape, but got it streightned up in my vice.

The engine pods on the fuselage where glued onto the incorrect sides....dont know how the previos owner managed to do that, as the fit is quite poor :-) Luckily, they are glued onto the paint,and came off quite easily. The gray primer has been applied direcly onto the smoothe glass fuselage without sanding the surface first, so it is chipping off.

I have found another few places where the frame and bits have not been installed correctly as per the manual, so I will go other the entire helicopter.

Sonnich Johannesen

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04-21-2016 02:00 AM  31 months agoPost 6
MDSCUSTOMS

rrApprentice

North Wales, U.K.

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If you are stuck for those top curved windows - check out the clear plastic protective shell you find on easter eggs. Perfect for the job as they are pre-moulded and only need trimming to size.

Easter may have gone now but you can still buy clear plastic easter egg moulds very cheaply online. Saves a lot of time and effort making these screens.

The main screen should be straightforward to make.

I've just used one for the two top screens on my A109.

Mark

I'm only here coz I'm not all there !!

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04-21-2016 11:23 AM  31 months agoPost 7
Mojave

rrElite Veteran

Palos Verdes, Ca. USA

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I have never seen the Chinook rotor hear broken down in piece parts before. It's a very nicely engineered piece. I like the way it's fully dampened. It must fly very soft...
Barry

All helis and planes have an expiration date stamped on them...you only find it after you crash!!

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04-21-2016 11:35 AM  31 months agoPost 8
SJN

rrApprentice

Denmark EKCH

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Thats a great idea, thanks Mark.

Glad you like teh pictures Barry. I hope it flys well :-)

But I found the windows in a german shop, and ordered them.
Did not cost that much.

Also ordered the last few basic parts that I need to get it into the air :-)

Everything has been assembled again, and in great condition.

Sonnich Johannesen

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04-23-2016 04:37 AM  31 months agoPost 9
MDSCUSTOMS

rrApprentice

North Wales, U.K.

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Glad to see you got the windows sorted.

There's some nice detailing moulded into that fuselage. You'll have to make sure that it all stands out nicely when you do the paint job

Not a common machine these days and quite expensive to buy new (if you can find one)

Regards

Mark

I'm only here coz I'm not all there !!

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04-25-2016 01:21 AM  31 months agoPost 10
tjk1812

rrNovice

sunbury, ohio - USA

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SJN..just wanted to let you know there is a listing on eBay for two Hirobo ch46 chinooks on eBay..I think maybe the same as yours...in case you need something. I think they're pricey..like $1500 for both I believe, but wanted to let you know. On eBay search type in Hirobo ch46 helicopter and you should see listing, 5 days remaining. Your project looks like fun...good luck.

Tom

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04-25-2016 03:54 AM  31 months agoPost 11
martinhung

rrApprentice

Hong Kong

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Can you post the link of the hirobo chinook,I cannot find the link. Thx

I am nobody, but a RC heli freak

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04-25-2016 07:43 AM  31 months agoPost 12
SJN

rrApprentice

Denmark EKCH

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Thanks, but I have about 98% of all the parts that I need already ☺

http://www.ebay.com/itm/HIROBO-CH-4...wcAAOSwYudXGrYs

Sonnich Johannesen

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04-25-2016 09:10 AM  31 months agoPost 13
martinhung

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Hong Kong

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Thank you so much. Your Chinook is nice. Looking forward to seeing the video.

I am nobody, but a RC heli freak

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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › Hirobo Chinook
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