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Old Oct 14, 2012, 10:37 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
26,086 Posts
Yes, the extension is much smaller....

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Old Oct 17, 2012, 10:38 PM
3DHS 'native'
going4speed's Avatar
USA, TX, Spring
Joined Jan 2008
5,925 Posts
The choke lever gets REAL close to that motor mount on mine. How is your clearance?

Have you got to cutting the cowl out yet? Based on my template it looks like the entire area around the muffler is going to have to be cut out.

Quote:
Originally Posted by rmr24 View Post
Yes, I rotated the arm so the rod could go between the motor mounts. The stock arm is held in place by the screw on top. The Spot-On arm has places for two set screws, but I only used one.
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Old Oct 17, 2012, 11:22 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
26,086 Posts
So.... on a previous run-up of my Velox with a Xoar 18X8, I got these numbers, using a Globee tach and a "Watts Up" meter....

Quote:
on Thunder Power 6S 65C 5000mAH packs and default settings on Castle ICE100 ESC, with a Xoar 18X8 (suggested prop), I got 7320 peak RPM (actually varied a bit as I was trying to hold both the plane and my Glo-Bee tach at the same time, while my wife ran up the throttle). 24.17 volts, 72.2 amps, and 1648.3 watts (Checked with a "Watts up" meter). Both the watts and amps are pretty low, and since the motor is rated for 2500 watts peak, this means a larger prop could definitely be used.
...

Yesterday, with a Xoar 20X10, the wires on my "Watts Up" meter were getting hot, but I was showing 91.66 amps, at 23.92 volts and 2,080 watts, and again with my Globee tach, I was showing 7020 rpm...

I usually don't use the logging on the Castle ESCs, but after talking to Kyle at Aero-Model I decided to try it. At first, I couldn't get it to work (I was using my old laptop), so, it took me a few tries which is why the voltage is down a bit, but here is what I got with the logging....

Volts=23.3 max, 20.3 minimum
Amps=100.1 max 33.3 average
Watts= 2163 max 722 average
RPM=7079 max 3721 average...

Even with the partially discharged packs, 2163 watts (235.10 watts per pound) should be enough to pull a 9.2 pound Velox around quite smartly!! Especially, since you really can't compare the input wattage of a 28 pole motor to a 14 pole motor....

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Last edited by SteveT.; Oct 17, 2012 at 11:33 PM.
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Old Oct 18, 2012, 08:43 PM
Sippin the Koolaid!
losifanatic's Avatar
United States, NC, Hertford
Joined Oct 2007
16,404 Posts
Guys got a question for you. I can't get the velox to tumble well at all. I took out the 985 servos and put in 7985s. That made the plane feel much better. So l worked on elevator throw and cg. Nothing seems to help. Am l the only one having this issue?
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Old Oct 18, 2012, 09:25 PM
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rmr24's Avatar
Joined Jul 2006
782 Posts
I used a clevis to connect to the choke arm. See first photo in my previous post.



Quote:
Originally Posted by going4speed View Post
The choke lever gets REAL close to that motor mount on mine. How is your clearance?

Have you got to cutting the cowl out yet? Based on my template it looks like the entire area around the muffler is going to have to be cut out.
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Old Oct 18, 2012, 09:53 PM
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going4speed's Avatar
USA, TX, Spring
Joined Jan 2008
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Cool! no cowl work yet?

Quote:
Originally Posted by rmr24 View Post
I used a clevis to connect to the choke arm. See first photo in my previous post.
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Old Oct 18, 2012, 10:52 PM
Huckin around the Shire
Enterprise7's Avatar
USA, NH, Manchester
Joined Jun 2010
799 Posts
Anyone looking to do a gasser, you can get the O.S. GT22 for about $320 with the gold coupon and this rebate. The muffler alone is probably worth the extra money over the DLE-20.

http://towerhobbies.com/products/pro...ebate_form.pdf
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Old Oct 19, 2012, 03:45 AM
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rmr24's Avatar
Joined Jul 2006
782 Posts
Yes, I have cut the cowl. It does require a pretty big opening to get around the muffler Hopefully maiden today, I'll get some photos.

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Cool! no cowl work yet?
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Old Oct 19, 2012, 07:39 AM
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USA, TX, Spring
Joined Jan 2008
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Look forward to it
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Old Oct 19, 2012, 09:16 AM
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USA, MI, Livonia
Joined Nov 2004
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Quote:
Originally Posted by losifanatic View Post
Guys got a question for you. I can't get the velox to tumble well at all. I took out the 985 servos and put in 7985s. That made the plane feel much better. So l worked on elevator throw and cg. Nothing seems to help. Am l the only one having this issue?
Matt, if you are comparing it to a slick in tumbling then you will not get the same results... my Velox does not tumble anywhere near my 70 Slick... I am running 7955 and 6S on both planes...
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Old Oct 19, 2012, 09:37 AM
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going4speed's Avatar
USA, TX, Spring
Joined Jan 2008
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That is odd considering that is what it was designed for at least in part.
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Old Oct 19, 2012, 10:58 AM
Sippin the Koolaid!
losifanatic's Avatar
United States, NC, Hertford
Joined Oct 2007
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Quote:
Originally Posted by hosam View Post
Matt, if you are comparing it to a slick in tumbling then you will not get the same results... my Velox does not tumble anywhere near my 70 Slick... I am running 7955 and 6S on both planes...
Ok so its not just me
Quote:
Originally Posted by going4speed View Post
That is odd considering that is what it was designed for at least in part.
That high lighted part is why we wanted to try the velox instead of getting another slick. Wanted a high energy tumblely plane. I am playing Hell to get it to rotate. Now harriers and hovers very well but really wanted to see some 51 slick style tumbles with a bigger plane
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Old Oct 19, 2012, 12:55 PM
3DHS 'native'
going4speed's Avatar
USA, TX, Spring
Joined Jan 2008
5,925 Posts
Dang that is not good. That is what I spend most of my time doing is stall turns and tumbles...maybe a short affair with the velox without good tumbles.
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Old Oct 19, 2012, 02:25 PM
ProBro, 3D
gregory.da's Avatar
United States, FL, The Villages
Joined Jul 2008
946 Posts
Find an old 68" Velox, it's a tumbling monster.
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Old Oct 19, 2012, 02:29 PM
I fly, therefore, I crash!!!
SteveT.'s Avatar
San Jose, CA
Joined Jan 2008
26,086 Posts
It might make sense that with the added length and square inches of the wing, that it "might" not tumble as hard....not saying that is the case, just that it could possibly be.....

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