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Compass 7HV, 7HVU and Chronos Compass Compass 7HV, 7HVU and Chronos Model Helicopter Discussion |
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05-17-2016, 12:37 AM | #1 (permalink) |
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Join Date: Oct 2014
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Chronos Stretch
I decided to see what the Chronos would be like if it was bigger.
Currently running 780mm Align blades. It is wicked :eek: |
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05-17-2016, 01:02 AM | #2 (permalink) |
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Join Date: Mar 2013
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wow..that looks nice
with which parts u make the conversion? |
05-17-2016, 01:20 AM | #3 (permalink) |
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Thread Starter
Join Date: Oct 2014
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Logo 800 Extreme boom - cut slightly shorter.
Logo 800 tail rod - cut to size. SAB 770 tail belt. Align 780mm blades. I'm currently running 12S, but will be converting to 14S. No issues with CG - i just put the battery pin on the front hole. |
05-17-2016, 01:29 AM | #4 (permalink) |
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Join Date: Mar 2013
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how much you cut from the boom?
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05-17-2016, 01:55 AM | #5 (permalink) |
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Thread Starter
Join Date: Oct 2014
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50mm.
I would prefer a wider tail belt as the SAB is narrower than the Compass belt. It's awesome in the air. |
05-17-2016, 03:20 AM | #6 (permalink) |
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Join Date: Mar 2013
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sounds realy cool man....
i think the Goblin tailbelt dont make troubles, its 6mm,right? and the Chronos belt 8mm?? not a big deal for the tail i think. which rpm`s you fly with the 800 Chonos? |
05-17-2016, 03:30 AM | #7 (permalink) |
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Join Date: Feb 2011
Location: Australia
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nooooooice
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Rapid Helis Australia |
05-17-2016, 03:39 AM | #8 (permalink) |
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Thread Starter
Join Date: Oct 2014
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Kollech1.
The sab belt is 6mm and Compass is 8mm. I'll see how it goes. I'm running 1450 on ST1 and 1900 in ST2. |
05-17-2016, 06:51 AM | #9 (permalink) |
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Join Date: Mar 2012
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Very nice!
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NX4|Tri-Chronos|Chronos|7NT|Specter700 Saje Marvin - Citizen 125 |
05-19-2016, 07:32 PM | #10 (permalink) |
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Join Date: Mar 2012
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What do you think the maximum size blade combination that can be run using the Goblin 770 belt?
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NX4|Tri-Chronos|Chronos|7NT|Specter700 Saje Marvin - Citizen 125 |
05-19-2016, 10:11 PM | #11 (permalink) |
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Thread Starter
Join Date: Oct 2014
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780mm. If a longer tail belt was available to cater for the full 900mm boom then i would think an 800mm blade would work.
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03-20-2017, 04:04 AM | #12 (permalink) | |
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Quote:
br, Chris |
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03-20-2017, 07:43 AM | #13 (permalink) |
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Got reply to my belt-question on a german forum, here the results:
Helicopter Type Compass belt HTD 2040 3M Goblin 770 belt HTD 2160 3M Protos 700 belt 2208-3KC-6 Protos 770 belt 2328-3KC-6 Made a quick excel-calculation, and with the protos-700 belt, maybe also 800 Blades are possible (with the same tail-blades). br Chris |
03-20-2017, 01:17 PM | #14 (permalink) |
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Thread Starter
Join Date: Oct 2014
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I just reverted back to 700mm blades. The main gear drivetrain doesn't seem to handle swinging the big blades. Especially in hard manoeuvres.
I ended up stripping 3 main gears 😣 I was running a 12 tooth pinion. Not sure if a bigger pinion would make a difference and also a lower kV motor. It was super fun though. 😃 |
03-20-2017, 02:11 PM | #15 (permalink) | |
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Quote:
br, Chris |
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03-20-2017, 10:07 PM | #16 (permalink) |
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Thread Starter
Join Date: Oct 2014
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About 1400 on St1 and 1800 on St2
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03-27-2017, 05:07 AM | #17 (permalink) | |
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Join Date: Jul 2015
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Quote:
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Compass 6HVU, XLPower 520, Chase 380 |
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