Originally posted by Cyclone 7
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600 UH-1N Twin Huey- ARF Bundle - Build and Impressions
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Looks great! I really like the black on the rotor assy. I may do that myself. Looking forward to your write-up on the mechanics as mine are still in the box. If you don't mind, please post any tips you may have on the raised tail as there are some spacers in there that I have no clue where to put. I sure wish Roban would start including some sort of instructions on assembling and setting up their 600 mechanics.
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So, I brought the UH-1N and the rest of the scale heli fleet out to the TX Scale Championships today, and it was great! Excellent weather, great people, and some incredible aircraft! Now just to get this machine finished!
Originally posted by icepirate3 View PostLooks great! I really like the black on the rotor assy. I may do that myself. Looking forward to your write-up on the mechanics as mine are still in the box. If you don't mind, please post any tips you may have on the raised tail as there are some spacers in there that I have no clue where to put. I sure wish Roban would start including some sort of instructions on assembling and setting up their 600 mechanics.
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Hi DeltaDart, I look forward to see your write-up of the mechanics and assembly. Your photos look good!Live Q&A every Tuesday and Friday at 9pm EST on my Twitch Livestream
Live chat with me and other RC Nuts on my Discord
Camp my Instagram @Alpha.Makes
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Originally posted by Alpha View PostHi DeltaDart, I look forward to see your write-up of the mechanics and assembly. Your photos look good!
The gear positions were then adjusted using the included shims. Gear mesh should be tight, with just a bit of backlash between the 2 bevel gears. The gears were the lubricated with synthetic grease. All metal to metal joints will require lubrication to reduce wear. Another item of note to those building this kit, is that sets of specs are included. The Chaos mechanics are wider than the Trex 600 ESP it was designed for, but the spacers allow them to be stretched to the larger size. These are the blocks shown on the inboard side of the tail shaft bearing blocks in my photos. Also of note, is that the builder will need to secure the bearings inside the tail bearing blocks with a retaining compound. Otherwise they are just floating in the blocks, and can easily be knocked out.
Finally, for the main shaft, the kit includes 2 sets of bearing blocks, but the frames have provisions for a third below the main shaft. Even though the stock 2 should be more than adequate for scale flying, I elected to add a third using Trex 600 spare parts: http://www.aligntrexstore.com/Bearin...1-_p_1556.html. More to come soon.5 Photos
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Originally posted by echopoint View PostHow much does this guy weigh without batteries? Just curious! Looking great. Keep up the good work.
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Originally posted by echopoint View PostThank you. It doesn't need to be an exact figure. Just trying to figure out a ballpark weight.
Best wishes!
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Originally posted by echopoint View PostWow. That's actually lighter than I expected. I am assuming that is without batteries. Keep up the great work, and thanks for the info!
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A few more quick notes getting back to the mechanics. The stock bearing blocks for the lowered tail driveshaft have the bearings free floating, and they can easily pop out if not secured properly. Some loctite 641 was used to secure these to the blocks. I also noticed a slight geometry issue with the aileron bellcranks from the Chaos 600. The Chaos horns are offset from 90 deg. This offset works perfect for the Chaos frames, but Roban frames for the Huey are designed for 90 deg bellcranks. I ended up using some Trex 600 spare bellcranks to achieve correct linkage geometry.3 Photos
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Finally got back into finishing up the mechanics this week. Just a few servo wires to secure and the tail will be all that’s left! I am using a brain2 FBL along with a Spektrum AR9030T and 3 sat rxs. One note is that I ended up spraying the top on the motor black using some high heat paint for grills. It is very visible from the top in the stock gold color and looks much more subtle when painted.
Also, while doing some research on the 36th RQS, I found out that they do training flights to get military dogs used to working in and around helicopters. Naturally, I couldn’t resist 3D printing a new member of the flight crew. Planning on putting a dog handler, pararescue specialist, and a crew chief in the back along with Rex. Stay tuned!6 Photos
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