Hobby Topgun Mig 15 maiden flights! - RCCanada - Canada Radio Controlled Hobby Forum
RCCanada - Canada's Radio Control Hobby Forum
Electric Jets Discuss electric jets in Canada.

Reply
 
Thread Tools Display Modes
Old 05-19-2011, 07:59 PM   #1
4stripes
RCC Supreme Contributor
 
4stripes's Avatar
 
I am: Flyboy 1
Join Date: Feb 2007
Location: Earth

Feedback: 21 / 100%
Posts: 2,603
Total Props: 12
Hobby Topgun Mig 15 maiden flights!


       Remove this ad - become a site supporter!
The rain and fog and wind took a rest today and allowed us to maiden the BIG MIG! What a docile machine. Flies off the runway in about 50' with no wind. Flies like it's on rails and lands like a trainer. I was concerned about low thrust readings done before the flight but flew it anyway. 2 minutes into the third flight at about 1/2 throttle the motor suddenly stopped. I was in a good position for a deadstick and about 6' above the runway lost all control. The aircraft was trailing black smoke out of the tailpipe when the right wing tip caught the grass and it came to rest after bending the noise gear strut. I quickly unplugged the battery not knowing what had burnt. Turns out the 85A ESC totally fried partially melting the foam where it was mounted. All leads were melted off (batter/motor and RX), what a stink.
All in all it was a fun day with some excitement thrown in which is typical for EDF's. This ESC was trying to tell me something earlier when it seemed to run hot and with less watts from a known fan/motor...
Can't wait for the next HK shipment to arrive to fly it again with full power.

Freewing 90mm fan with Prodesign PD36/1900-50EDF 1900kv motor
85A Cyclone power ESC (perhaps 100A is better suited to this motor)
Air retracts
Hobby topgun alloy wheels and struts
Flaps
Wheel brakes
9 HXT900 servos
Corona 72mhz 8CH fully synthesized RX

Cheers
PS Thanks BOB B. for selling it!
Attached Thumbnails
Click image for larger version

Name:	DSC_6213.jpg
Views:	257
Size:	103.6 KB
ID:	107485   Click image for larger version

Name:	DSC_6225.jpg
Views:	198
Size:	48.5 KB
ID:	107486   Click image for larger version

Name:	DSC_6226.jpg
Views:	221
Size:	37.6 KB
ID:	107487   Click image for larger version

Name:	DSC_6249.jpg
Views:	198
Size:	35.1 KB
ID:	107488  

Click image for larger version

Name:	DSC_6258.jpg
Views:	222
Size:	78.4 KB
ID:	107489   Click image for larger version

Name:	DSC_6267.jpg
Views:	258
Size:	102.0 KB
ID:	107490   Click image for larger version

Name:	DSC_6271.jpg
Views:	347
Size:	69.6 KB
ID:	107491  
__________________
Zen thinking * It's rebuildable till it fits back in the box. **
Cheers

Last edited by 4stripes; 05-20-2011 at 10:04 PM.
4stripes is offline   Quick reply to this message.

Sponsored Links - Subscribe to remove this ad.
Old 05-19-2011, 08:59 PM   #2
cassat
RCC Supreme Contributor
 
I am: Dave
Join Date: Jul 2004
Location: P.River,Alberta
Radio of choice:
Airtronics Aquila,Taranis,DX7
# of RCs: 12

Feedback: 195 / 98%
Posts: 6,942
Total Props: 6
Re: Hobby Topgun Mig 15 maiden flights!

Yeah Eric, were you running 6S 4000 ? You should try that Turnigy 100 esc ...seems ok.
cassat is offline   Quick reply to this message.
Old 05-19-2011, 09:34 PM   #3
4stripes
RCC Supreme Contributor
 
4stripes's Avatar
 
I am: Flyboy 1
Join Date: Feb 2007
Location: Earth

Feedback: 21 / 100%
Posts: 2,603
Total Props: 12
Re: Hobby Topgun Mig 15 maiden flights!

6S 45-90C nano-tech 5000mah battery. I don't normally pull more than 75A with this motor/fan and I've used the same type ESC in other planes without a hitch.
Pretty sure this ESC was just a dud. I did order the Turnigy DLUX 100A to try as the price is right....
Cheers
__________________
Zen thinking * It's rebuildable till it fits back in the box. **
Cheers
4stripes is offline   Quick reply to this message.
 
Old 05-19-2011, 09:52 PM   #4
Myzee
RCC Pro Contributor
 
Myzee's Avatar
 
I am: Myles Jarvis
Join Date: Oct 2002
Location: Picton, Ontario
Radio of choice:
Futaba
# of RCs: 20

Feedback: 5 / 100%
Posts: 1,808
Total Props: 5
Re: Hobby Topgun Mig 15 maiden flights!

What retracts are in this plane?
__________________
Howzitgoin' eh?
www.saturn3studios.ca
Myzee is offline   Quick reply to this message.
Old 05-19-2011, 10:01 PM   #5
4stripes
RCC Supreme Contributor
 
4stripes's Avatar
 
I am: Flyboy 1
Join Date: Feb 2007
Location: Earth

Feedback: 21 / 100%
Posts: 2,603
Total Props: 12
Re: Hobby Topgun Mig 15 maiden flights!

http://www.hobbyking.com/hobbyking/s...idproduct=8002

They do need some work to make reliable. The only drawback of this set is the downlock isn't positive. The lock travel must be opened up towards the air cylinder 1mm and the cylinder spaced out with a thick washer to move the lock pin/bar to a better position.

At $5 a retract they are a bargain.
Cheers
__________________
Zen thinking * It's rebuildable till it fits back in the box. **
Cheers
4stripes is offline   Quick reply to this message.
Old 05-20-2011, 08:03 AM   #6
Bob Byrnes
RCC Expert Contributor
 
I am: Robert B
Join Date: Feb 2004
Location: Bowmanville, Ontario

Feedback: 10 / 100%
Posts: 911
Total Props: 1
Re: Hobby Topgun Mig 15 maiden flights!

Glad you had success Eric. Never a doubt in my mind. Maybe one day I'll give you a call and get down to your field and chase that Mig around with a Canadian Sabre. I figured it would not be a rocket, but, those large wings apparantly handle the load really well.
Best Regards.
Bob Byrnes is offline   Quick reply to this message.
Old 05-20-2011, 08:17 AM   #7
4stripes
RCC Supreme Contributor
 
4stripes's Avatar
 
I am: Flyboy 1
Join Date: Feb 2007
Location: Earth

Feedback: 21 / 100%
Posts: 2,603
Total Props: 12
Re: Hobby Topgun Mig 15 maiden flights!

Hi Bob!
you can come fly here anytime! I really want the Mig to fly with a Sabre to get some video. I'll be out again today with the L39 and F86.

A speed demon it is not, but it will be close to Sabre speed.
The ESC was purchased through RCCastle and after I emailed them yesterday, they have already shipped out a free replacement! Wow, great service! Raymond even sent a free UBEC in case I don't trust the SBEC.
Cheers
__________________
Zen thinking * It's rebuildable till it fits back in the box. **
Cheers
4stripes is offline   Quick reply to this message.
Old 05-20-2011, 03:07 PM   #8
Bob Byrnes
RCC Expert Contributor
 
I am: Robert B
Join Date: Feb 2004
Location: Bowmanville, Ontario

Feedback: 10 / 100%
Posts: 911
Total Props: 1
Re: Hobby Topgun Mig 15 maiden flights!

I'm away for the weekend, but, I'll send you a PM when we get back on Monday. Maybe we can arrange a time next week or the following week. I'm retired as you know and most days are mine with little or no time constraints.
Bob Byrnes is offline   Quick reply to this message.
Old 05-20-2011, 10:14 PM   #9
4stripes
RCC Supreme Contributor
 
4stripes's Avatar
 
I am: Flyboy 1
Join Date: Feb 2007
Location: Earth

Feedback: 21 / 100%
Posts: 2,603
Total Props: 12
Re: Hobby Topgun Mig 15 maiden flights!

Changed the ESC after robbing it from F18. It pulled more watts (settled down to about 1700) and we made half a dozen flights. All was well until black smoke appeared just before my son's second flight on the Mig! The first ESC definitely had issues prior to burning up but the second was a surprise!
2 choices now, either run the lower Kv freewing motor in the replacement ESC or keep the more powerful 1900Kv and run the HK Turnigy DLUX 100A.
Will likely go with plan B for this big bird needs power! We flew the F86 many flights today with it's Freewing motor and it was fast in comparison.
Cheers
__________________
Zen thinking * It's rebuildable till it fits back in the box. **
Cheers
4stripes is offline   Quick reply to this message.
Old 05-21-2011, 01:12 AM   #10
skyhawknut
RCC Apprentice
 
I am: marcw
Join Date: May 2010
Location: Vancouver

Feedback: 0 / 0%
Posts: 49
Total Props: 0
Re: Hobby Topgun Mig 15 maiden flights!

How many amps does your amp meter show?

Maybe it's time for a better quality ESC.
skyhawknut is offline   Quick reply to this message.
Reply

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the RCCanada - Canada Radio Controlled Hobby Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

Member names may only be composed of alpha-numeric characters. (A-Z and 0-9)

!!ATTENTION ADVERTISERS!! If you intend on advertising anything on this forum, whatsoever, you are required to first contact us here . Additionally, we do NOT allow BUSINESS NAMES unless you are an Authorized Vendor. If you own a business, and want to do sales on this site via posting or private message, you will need to follow the rules. Shops, Stores, Distributors, Group Buys without being authorized will see your account terminated.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Radio of choice?
Which radio is your current favorite to use?
Number of RC Vehicles?
How many boats, cars, planes do you own?

Log-in



Currently Active Users Viewing This Thread: 55 (0 members and 55 guests)
 
vBulletin Message

Thread Tools
Display Modes

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Hobby Topgun service and Mig 15 EDF landing gear 4stripes Electric Jets 1 02-28-2011 07:39 PM
Hobby Topgun Mig - 15 Bob Byrnes Electric Jets 16 02-12-2011 07:30 PM
Maiden Flights this weekend? buffythesaint Electric Jets 22 04-12-2010 04:24 PM
three maiden flights R Plante General RC Aircraft Discussion 4 05-11-2007 12:27 PM
2 maiden flights today! Chris Cann S.P.A.D.s 2 12-25-2003 07:54 PM


All times are GMT -5. The time now is 09:42 PM.


vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2021 DragonByte Technologies Ltd.