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Search: Posts Made By: Jaxenro
Showing results 1 to 24 of 24
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Forum: Composites Fabrication And Repair
12-25-2004, 11:02 AM
Replies: 1
Views: 673
Posted By Jaxenro

RTV Silicone for smaller molds

Hi all

Anyone have any experience using RTV Silicone for smaller (up to, say, 9") molds?
Forum: Beginners
11-21-2004, 01:36 PM
Replies: 5
Views: 838
Posted By Jaxenro

RE: Elevons

Mark

Weight was probably the main reason I was thinking of it. 2 servos as opposed to 3 with a rudder, elevator, aileron set up. All I plan on doing is turning left really fast. (Plus landing...
Forum: Beginners
11-20-2004, 04:35 PM
Replies: 5
Views: 838
Posted By Jaxenro

Elevons

Hi all

Can someone explain elevons and how they work? Would they work on a miniature pylon plane?

Thanks - Joel
Forum: Composites Fabrication And Repair
11-09-2004, 08:07 AM
Replies: 4
Views: 1,448
Posted By Jaxenro

Mold Making 101

My plug is done and I want to make a simple fiberglass mold. I have very little in the way of tools and equipment, no sprayers or vacuum bagging systems. Can anyone direct me to a website that has...
Forum: Aerodynamics
11-04-2004, 09:19 AM
Replies: 39
Views: 7,155
Posted By Jaxenro

RE: Is wing loading relative across sizes?

Hi all

"Wing volume loading (WVL) = (weight of model in ounces)/ (wing area in square ft. raised to the 1.5 power). If you get a number of 7 or less, you have a real floater regardless of size....
Forum: E-Flight Power Sources
11-03-2004, 01:29 PM
Replies: 4
Views: 939
Posted By Jaxenro

RE: Beginner question mAH

Makes sense. Now suppose I run 2 2-cell 145 mAH packs in parallel? This would be 1.45 amps? Still a little lighter and smaller than the 340's, yet it gets me a lot closer to the 1.66 rating? From my...
Forum: Aerodynamics
11-01-2004, 10:27 AM
Replies: 39
Views: 7,155
Posted By Jaxenro

Is wing loading relative across sizes?

Does a smaller plane need a lower wing loading, all other factors being relative? Based on a mythical 48" wingspan plane with a 20 oz. wing loading and a 75% thrust to weight ratio, could all other...
Forum: Brushed/Brushless motors, speed controls, gear drives
10-27-2004, 12:55 PM
Replies: 8
Views: 890
Posted By Jaxenro

RE: Brushless / ESC ??

Just curious more than anything else. I know brushed motors are sometimes used with a simple on/off switch, though less often as ESC's have become cheaper and lighter over time. Was wondering if'n...
Forum: Composites Fabrication And Repair
10-26-2004, 04:07 PM
Replies: 2
Views: 595
Posted By Jaxenro

liquid weight versus cured weight

I was wondering about this, does epoxy or poly resin "loose" weight as it cures? Would 1 oz of liquid resin/hardener still weigh 1 oz when set or does some of the weight ?evaporate? during the...
Forum: Brushed/Brushless motors, speed controls, gear drives
10-26-2004, 08:10 AM
Replies: 8
Views: 890
Posted By Jaxenro

Brushless / ESC ??

I know I can run a regular brushed motor without a speed controller, but does a brushless need one to operate correctly?
Forum: E-Flight Power Sources
10-21-2004, 08:05 AM
Replies: 4
Views: 939
Posted By Jaxenro

Beginner question mAH

I want to run the following direct drive motor in a small indoor pylon racer:
GWS EDP-50
Propeller EP3020
Volt (V) 7.2
Amp (A) 1.66
Thrust (g) 60
Power (W) 11.95
Efficiency (g/w)...
Forum: Brushed/Brushless motors, speed controls, gear drives
10-19-2004, 07:50 AM
Replies: 1
Views: 810
Posted By Jaxenro

GWS EDP-50

I was thinking of using a GWS EDP-50 with the EP3020 3.0 x 2.0 prop and would like a two cell li-poly battery in a very small park flyer. Not looking for long flight times, just to buz around a...
Forum: "1/2 A" & "1/8 A" airplanes
10-16-2004, 05:26 AM
Replies: 34
Views: 3,105
Posted By Jaxenro

RE: Throttled .010's

Roger,
looked over your website completely. What appears to be missing are the "technical" aspects. Weight, dimensions, power output, recommended prop sizes, minimum RPM, recommended model weight,...
Forum: Electric Indoor & Micro RC Flight
10-08-2004, 07:18 AM
Replies: 0
Views: 486
Posted By Jaxenro

What to use

I am working on a wedell-williams racer made from molded foam with about a 10" wingspan. any recommendations for a "plug-and-play" radio system with a brushless motor battery combo that would work in...
Forum: Foamies! - RC Electric Foam Aircraft
10-06-2004, 09:07 AM
Replies: 1
Views: 476
Posted By Jaxenro

What weight foam to use?

Hello,

I am making a few small (8" to 12" span) rc/ff electric/rubber powered models. I have a choice of 2/lb/cf foam or 4/lb/cf foam to use. Which would be best to use? Product info follows:
...
Forum: Composites Fabrication And Repair
11-26-2003, 02:29 PM
Replies: 9
Views: 908
Posted By Jaxenro

RE: Beginners mistakes - What next?

"This may be a silly question, but have you actually built a prototype of this hovercraft before going to all the work of making a mold?"

To a point. I have made a few mock-ups, test shots to...
Forum: Composites Fabrication And Repair
11-26-2003, 11:46 AM
Replies: 9
Views: 908
Posted By Jaxenro

RE: Beginners mistakes - What next?

Thanks to all for the advice.

Looking things over, the top (which I covered with lots of small pieces) seems to be much better than the bottom (which I covered with a few large pieces). Only the...
Forum: Composites Fabrication And Repair
11-25-2003, 10:34 AM
Replies: 9
Views: 908
Posted By Jaxenro

RE: Beginners mistakes - What next?

Thanks

I am making a model hovercraft to my own design. I am planning two electric ducted fans for lift, and two embedded in the fuselage for propulsion, as well as some type of thrust vectoring...
Forum: Composites Fabrication And Repair
11-25-2003, 08:46 AM
Replies: 9
Views: 908
Posted By Jaxenro

Beginners mistakes - What next?

Hi all,

Making my first plug and made a bunch of mistakes. Let me outline what I have done, how I plan to fix it, and would appreciate any comments on what I should do. For now I am working on a...
Forum: Composites Fabrication And Repair
11-17-2003, 10:08 AM
Replies: 9
Views: 979
Posted By Jaxenro

RE: Flat Plate

Thanks, that sounds good.

Next question, is this something I need to make myself or can I buy a ready made carbon-end grain balsa sheet?

If I need to make it, how do I go about it? I am a...
Forum: Composites Fabrication And Repair
11-15-2003, 09:53 AM
Replies: 9
Views: 979
Posted By Jaxenro

RE: Flat Plate

Thanks

I was thinking of something like an ACP Graphite plate:

http://www.acp-composites.com/acp-gp.htm

but I don't know enough about them to know what to buy and they look a little...
Forum: Composites Fabrication And Repair
11-14-2003, 09:51 PM
Replies: 9
Views: 979
Posted By Jaxenro

Flat Plate

I am making a small scale hovercraft. I need something to use for the "chassis" plate that the skirt, radio, batteries, and one of the motors will be mounted on. It will be about 5" x 16". I need...
Forum: RC Jets
11-13-2003, 04:28 PM
Replies: 0
Views: 449
Posted By Jaxenro

Kavan Electric Fan

Anyone familier with the Kavan fan HL carries?

http://www.hobby-lobby.com/ductfan.htm

"Micro Ducted Fan with smooth shaft SPEED 300 motor" about mid page

Just wondering how powerful it...
Forum: Composites Fabrication And Repair
11-13-2003, 09:29 AM
Replies: 52
Views: 5,389
Posted By Jaxenro

RE: help with f-18 plug

Quick question

If I make the plug out of foam/drywall compound to the exact dimensions i need and then cover with two layers of 3oz cloth, plus a finishing cloth and resin, about how much...
Showing results 1 to 24 of 24


 
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