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Gasser Helicopters Gasser Specific Discussion


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Old 12-12-2011, 12:27 AM   #21 (permalink)
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Originally Posted by jockstrap View Post
Nah - you didn't get it..

Didn't he make all the funny videos for you with fire ,etc.. so I thought now with a generator he can make some with lightning and sparks..

Sorry - was my stupid humor.. I wasn't making fun of your heli.. you're heli is sweet...
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Old 12-18-2011, 11:30 AM   #22 (permalink)
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I did something better. I put the stock OWB to the clutch again. The stock start shaft has a 12.0 mm on the thick side and 5mm on the thin side. I machined a steel rod 12.12 mm on the thick side and 5mm on the thin. Now it fits super fast to the OWB. Man i love this lathe machine.
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Old 12-18-2011, 08:09 PM   #23 (permalink)
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I'm about to get my first gasser,
hope this don't sound stupid,
what if the motor stalls out during flight, where will the power come from for the electronics ?
or will it drop like a brick from the sky ?
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Old 12-18-2011, 09:51 PM   #24 (permalink)
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Nah - the generator is backing up and charging a battery, just like a car..

So if engine stalls you have the normal flight pack there to power everything.. it's just that on gassers you can obtain 30min flights or even longer so rather than have really large flight packs the generator keeps them topped up..
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Old 12-22-2011, 09:39 AM   #25 (permalink)
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I tried the generator today. Works good.
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Old 12-24-2011, 09:58 AM   #26 (permalink)
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Where do you guys get the generators from?
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Old 12-27-2011, 05:25 AM   #27 (permalink)
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The generator is a brushless motor. You need to build/buy a rectifier and voltage regulator.
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Old 12-27-2011, 05:13 PM   #28 (permalink)
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Default Its a wonderful thing

I just came back from an 18 day trip, 2 weeks in FL flying daily in NC the first couple of days, then daily in FL, then in VA on the last day back. Burned through 4 gallons, 58 flights between two helis, and never even brought a charger with me!! My TXs I charged with my solar panels, the helicopters charged in the air

-=>Raja.
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Old 12-28-2011, 01:36 AM   #29 (permalink)
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Quote:
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My TXs I charged with my solar panels

-=>Raja.
Hmm. Good idea.
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Old 12-29-2011, 01:42 AM   #30 (permalink)
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Quote:
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I just came back from an 18 day trip, 2 weeks in FL flying daily in NC the first couple of days, then daily in FL, then in VA on the last day back. Burned through 4 gallons, 58 flights between two helis, and never even brought a charger with me!! My TXs I charged with my solar panels, the helicopters charged in the air

-=>Raja.
and even charge on the ground.
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Old 02-22-2012, 06:43 AM   #31 (permalink)
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Default Generator Mount

After seeing jockstrap's bracket mount, I decided to put in a little time and effort on making myself a new mount based on that design. I used a frame brace for the mount since I knew it was the perfect width. The height isn't optimal, but there are options. In the current configuration, it fits my coupling almost too perfectly with very little room to spare...which isn't necessarily a good thing since the coupling is design to have a little play. I would estimate maybe 1mm or a smidge more gap between the two couplings. Which is probably enough to be fine. I could have drilled and taped my holes a little lower but I felt I would have been cutting it a little too close to the edge. I might lightly sand the top of the frame hole just to allow my screws to bump up about 1 mm. It is also a perfectly flush fit across the top of the frame which ensures it is level. I drilled out a washer to be a perfect fit for the stock frame crews. Nicely self centers itself.

This whole thing was a pretty big pain in the butt because of the amount of material I had to dremel away. Took me several days of off and on work to finally get it worked out. Used a dremel with a tungsten side cutter and a bench grinder.

I "think" it will work. I'll let you all know when I get it all back together and flying.

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Old 02-22-2012, 06:49 AM   #32 (permalink)
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Nice and clean work
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Old 02-22-2012, 06:56 AM   #33 (permalink)
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I am almost thinking about making another one just to tap my holes a little lower. Also thinking about using 4mm bolts instead. If you're like me, you may have already figured out just how easy it is to strip this soft aluminum. It might benefit from the use of a bigger bolt.

I might be able to make it quicker now that I know exactly what I need.

I had also considered using the braces in their stock form and just drilling the frame to match the existing holes, but I am really interested in finding a NON frame modifying approach. I prefer not having to modify my frames where possible. Plus this gives a little room for alignment.
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Old 02-25-2012, 07:55 PM   #34 (permalink)
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Hey - nice work.. yea, must have taken a while to make..

I understand about the room thing as mine is arched and still not much room..

I've had a few tanks on my 700 since converting to flybarless only so still havn't had time to connect my gen motor to the rectifier and regulator yet - soon hopefully..

I'm running 2S life so was going to use a 6V regulator but that's going to be too low now
Need something around 6.6V - I know I could possibly use a CC bec pro but any other ideas for a cheap little regulator that might be readily available ?
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Old 02-26-2012, 06:27 AM   #35 (permalink)
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I believe your best bet is still going to be the CC BEC Pro. The Hercules and other comparables cost twice as much. And the specs from the other post where you can build you own, calls for a Texas Instruments reg that cost 24 and then you need more parts on top of that. As far as price goes, the BEC Pro is it.

One other little nasty problem with the BEC Pro is that it also requires a programming cable. So you are really looking at $50 for the thing unless you can score one in the classifieds for cheaper.

Whats crazy is that I just bought a CC ESC and it came with a coupon for a free Link....poor timing on my part. Had just bought a link before purchasing the ESC. Didn't realize they came with coupons for a free link.

I suppose if you had any reason to buy an ESC and a BEC Pro, you could get a free link like that
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Old 02-26-2012, 10:34 AM   #36 (permalink)
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Default Regulators

I have fixed voltage regulators that I use with my systems:

5.4v for 4 cell NiCD or NiMH
6.9v for 5 cell NiCD or NiMH or 2 cell A123 or LiFe packs
8.4v for 2 cell Lipo or Li-ion packs

I can sell those seperately if someone wants them for $40 plus shipping.

I also have 12.6v with video filter on them for use with 3 cell Lipo or Li-ion packs for $45 plus shipping.

If you use the castle pro, just make sure you glue the wires down just in case - I do that with mine also.

Best regards,

-=>Raja.
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Old 04-04-2013, 04:24 PM   #37 (permalink)
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Default How to

Hi all. Been trying to research on making my own generator for my gasser. I understand the basic concept but have no idea where to start.

Is there a guide or how to on making and wiring up an onboard generator?

Any help will be much appreciated.

Thanks!
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Old 04-05-2013, 04:15 AM   #38 (permalink)
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Hi all. Been trying to research on making my own generator for my gasser. I understand the basic concept but have no idea where to start.

Is there a guide or how to on making and wiring up an onboard generator?

Any help will be much appreciated.

Thanks!
https://www.helifreak.com/showthread.php?t=145109
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Old 04-08-2013, 06:22 PM   #39 (permalink)
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Originally Posted by MattAUSA View Post
Hi all. Been trying to research on making my own generator for my gasser. I understand the basic concept but have no idea where to start.

Is there a guide or how to on making and wiring up an onboard generator?

Any help will be much appreciated.

Thanks!
Here is a pencil sketch of the one I made. make sure the circuit can handle 6-10 amps. Also a diode to isolate the battery from the Regulator is important. Otherwise you back-feed the regulator.
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Last edited by thedrill; 04-10-2013 at 01:14 AM.. Reason: spelling
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Old 04-08-2013, 11:00 PM   #40 (permalink)
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Thanks for the help, will give it a go when I have a weekend free!
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