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HelicopterScale Model RC Helicopters › RC Aerodyne Chaos 600, Red Bull BO-105 build up
12-30-2010 11:33 PM  6 years agoPost 21
doorman

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Sherwood, Arkansas

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Looking Good.....

Hi Mike,

I was wondering if you will be adding a 4 blade had to this build as you did on the 500 sized??? If so what equipment do you plan to use...
I will be working on a new project soon with the belt version of the 600 and was just wondering..... THanks and keep up the good work...
Stan

AMA 2918-Team JR, Spin Blades, East Coast Scale Helicopter,Castle Creations

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01-01-2011 07:56 AM  6 years agoPost 22
JestRR

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Florence, Oregon

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That is the plan. I'll be using the RC Aerodyne 600 size 4 blade head with the scale blades. As far as the head gyro, I use the SK 360 on two of my helis now but they have been discontinued. So i need to find another set up. But that is a little ways off as the one that RC Aerodyne is going to cary is still not in stock.

Mike Spinner
Florence OR
SCALE JUNKIE!!
NORTHWEST SCALEWORKS

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01-01-2011 10:51 PM  6 years agoPost 23
JestRR

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Florence, Oregon

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ok...Some of you have seed the video of the test flight loops up at RC Aerodyne. Found out that the magnets are not strong enough to hold the front canopy on during a loop. So after a new fuse and a fix for the problem i have gotten the thing flying again but lets go from the start.

So the boom needs to be glued onto the front fuse. It was a little tight so some sanding is in order. Its also good for some grip for the Hysol epoxy.

The boom also needed some sanding on the edge to get it lined up properly. It actually dipped down instead of a slight angle up as per the full size...This is the angle you end up with in order to have the edge sit up against the rear edge of the fuse. In other words, i had to sand the top edge of the boom.

Mike Spinner
Florence OR
SCALE JUNKIE!!
NORTHWEST SCALEWORKS

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01-01-2011 11:32 PM  6 years agoPost 24
JestRR

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Florence, Oregon

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The directions were not with the kit when i got mine. I think Cliff was working on those at the time but he emailed them to me and then the install of the flex drive made sense. The flex drive gets installed into the mechanics and then slid into the fuse as one. THe mechanics get slid all the way back as far as it can in order to attach the tail rotor gear box to the flex drive. There are three bulk heads in the boom for holding the flex drive. I ended up using only the front and rear for holding the drive in order to keep the bend from being to sharp. I also took off 70 mm of the fiberglass that wraps the drive to add some more arch to the bend. The tail rotor gear box gets held on by the two bolts that hold on the fin when in P&B mode. I added a small alum bracket at the end of the tail fin/gear box for extra support.




Mike Spinner
Florence OR
SCALE JUNKIE!!
NORTHWEST SCALEWORKS

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01-02-2011 12:38 AM  6 years agoPost 25
JestRR

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Florence, Oregon

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so now that the tail gear box is mounted i was onto the main mechanics. They have mounting hard ware that goes onto the bottom of the mechanics to be able to bolt them in from the top.

Only thing was they were a little short for the rear height so i added a 1/4"x1"x4" strip of wood just under the rear mounts. I put the rear screws in at a 45 deg angle to be able to get to them with a long screw driver.

The fronts were just some long 3mm nuts bolts and washers.

There was no mounts for the top of the fuse to the mechanics so i used some 1/8" angle aluminum and used the forward bolts for the upper main bearing block to hold it to the mechanics. THen just drilled some holes in the flange of the fuse. Only thing to do then is to cut out a relief in the front canopy to miss the mounts on the front flange.

Mike Spinner
Florence OR
SCALE JUNKIE!!
NORTHWEST SCALEWORKS

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01-05-2011 04:21 AM  6 years agoPost 26
deanguy

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TX

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There isn't blindnuts in the woodwork already seated? How are you able to to get a good enough grip on the bottom nuts holding the mechs to the woodwork just using hemostats? And how are you getting the hemostats on the rear nuts? Seems to me you would have to drill holes in the bottom for a nut driver of some sort..

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01-13-2011 01:12 AM  6 years agoPost 27
JestRR

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Florence, Oregon

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Deanguy,
I just use reg nylock nuts and washers and use hemostats like you said. I have a set of bent ones that let me hold the nut under the bolt with the washer setting on top of the nut. Kind of a PITA but it works. The blind nuts that are on the fuse are for the landing gear and those cross threaded on each corner so i took them out and use the same thing for those.

Mike Spinner
Florence OR
SCALE JUNKIE!!
NORTHWEST SCALEWORKS

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05-18-2011 06:55 AM  6 years agoPost 28
JestRR

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Florence, Oregon

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well...so much to this story that isn't on here...after i got the mechanics all mounted and test flown it was off the show to see if i could even loop this thing. I ended up losing the front half of the fuse during the loop....This is what happened!!

Watch at YouTube

after that I was given a replacement fuse. This turned up some interesting and frustrating events. Put the new fuse all together, nothing had changed but the fuse but there was now a BAD shake in it. I tried all kids of fixes. Lower head speed, higher head speed, new shafts, extra supports, no supports....which actually helped but thats not the right way. After getting a little pissed i thought it was the head due to the tail and body shaking at head speed. I balanced and rebalanced the blades and paddles on the two bladed head. So i though, what the hell...i'll try a 4 bladed head. so i stuck a plug and play 4 bladed head on there with some 600 carbons. spun it up and it was the exact same type of shake and speed. I was about to give up until i was pissed enough to grab the fuse and give it a twist. The fuse would shake at the rear section during flight along with the tail. There was some serious flexing going on at the boom to body portion of the fuse. What fixes flexing but wood formers. so i build some formers to go down the boom and accross the bottom of the fuse and attatch it to the existing wood work. Son of a bitch IT WORKED!!! Now its off to the races and learning how to do all the cool tricks the full size does.

So here was the fix...

Here is the real flying video!! Still need to learn how to fly!!!
http://www.vimeo.com/23859363

Mike Spinner
Florence OR
SCALE JUNKIE!!
NORTHWEST SCALEWORKS

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03-08-2013 02:40 AM  4 years agoPost 29
FlyRC4aHigh

rrNovice

Raleigh,NC-USA

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Is this thread still active?

I just aquired a RC Aerodyne BO-105 not in the Red Bull colors but the Black color , black gear, black tail boom. Searching some pointers and came across this thread however no posts since 2011 and was wondering if there was anyone interested still in this thread.
Thanks Just Plane Mike

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HelicopterScale Model RC Helicopters › RC Aerodyne Chaos 600, Red Bull BO-105 build up
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