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Search: Posts Made By: cracker39
Showing results 1 to 25 of 141
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Replies: 3
Views: 1,066
Posted By cracker39

On another forum, it was suggested that i do the...

On another forum, it was suggested that i do the the throttle calibration, which i didn't know about. I will do that. also, it was suggested that i might have a bad solder joint which is very...
Replies: 3
Views: 1,066
Posted By cracker39

Two motors, one plane, one motor starts slower than the other.

Have a problem. I am new to electrics and am building a twin motor plane. The wiring is as shown below, one battery powering two identical ESCs, each going to one motor. I have two new Exceed RC...
08-09-2018, 06:58 AM
Replies: 2
Views: 5,403
Posted By cracker39

Problems getting an electric conversion to fly

Joined May 2007
19 PostsHelp!Any suggestions as to technique or tips on flying an electric conversion?About 8-9 years ago I designed and built a seaplane (60 wing, .40 engine). The engine was...
Forum: RC Airboats
07-05-2009, 09:52 PM
Replies: 7
Views: 4,776
Posted By cracker39

RE: Hydro airboat...air or water rudder and why?

Thnx for the responses. I considered that sliding might be difficult with the inside of each sponson hull being straight up and down. I like the way my little electric tri-hull makes sharp turns...
Forum: RC Airboats
07-05-2009, 08:47 AM
Replies: 7
Views: 4,776
Posted By cracker39

Hydro airboat...air or water rudder and why?

I have two airboats that use the same .46 nitro engine and fuel tank which are both mounted on a piece of 1/4” ply for a quick swap from one boat to the other (4-5 minutes to change boats). I’m...
06-17-2009, 02:04 PM
Replies: 2
Views: 439
Posted By cracker39

RE: SuperStar crash on water...mechanical failure???

You are right, I rechecked the balance and found it to be a little tail heavy. I lightened the plane by several ounces by replacing the motor and battery with lighter ones. I pushed the lipo battery...
06-15-2009, 01:25 PM
Replies: 2
Views: 439
Posted By cracker39

SuperStar crash on water...mechanical failure???

<div style="margin: 0in 0in 0pt"><font size="3"><span style="font-size: 12pt">If you see this post more than once, I apologize.</span></font></div><div style="margin: 0in 0in 0pt"><font...
Forum: RC Airboats
04-06-2009, 08:58 AM
Replies: 10
Views: 2,391
Posted By cracker39

RE: My new "Experimental" coro airboat

My other nitro and electric airboats have the antenna running horizontal for about 8-10" then up the tube and out at the back of the boats. My coro will have the antenna running only a few inches to...
Forum: RC Airboats
04-05-2009, 09:30 AM
Replies: 10
Views: 2,391
Posted By cracker39

RE: My new "Experimental" coro airboat

The coro used is 1/4", which is all that I have on hand. The flutes on top and sides run bow to stern. The flutes on the bottom run across so that I could get a smooth curve in front.

Today, I...
Forum: RC Airboats
04-04-2009, 04:58 PM
Replies: 10
Views: 2,391
Posted By cracker39

RE: Coro questions: About taping seams

BTW "Selph", It was your boat that inspired my electric tri-hull creation:

http://www.rcuniverse.com/forum/m_8610941/tm.htm

My Coro boat has undergone a couple of changes/additions. I see...
Forum: RC Airboats
04-04-2009, 08:38 AM
Replies: 7
Views: 1,845
Posted By cracker39

Waterproofing servos?

Has anyone had a problem with exposed servos and water affecting them? I've seen boats with servos mounted outside and I plan to surface mount my two servos on my coro airboat I'm making. I had...
Forum: RC Airboats
04-03-2009, 06:47 PM
Replies: 10
Views: 2,391
Posted By cracker39

RE: Coro questions: About taping seams

I'm 70 yrs old, retired and I get bored easily. Putting a lot of thought into my little projects keeps my brain active. Building them keeps my hands active. Once in a while, I actually use...
Forum: RC Airboats
04-03-2009, 08:34 AM
Replies: 10
Views: 2,391
Posted By cracker39

My new "Experimental" coro airboat

Having seen some pretty good coro junkers, I decided to make one just for fun since I had some coro on hand. Only part of it is from a politician’s campaign sign, so maybe it won’t do too much...
Forum: RC Airboats
03-26-2009, 03:26 PM
Replies: 6
Views: 1,338
Posted By cracker39

RE: Best Hull!!!

Buy a 1/2" thick sheet of Dow blue foam, 4' x 8' for about 11 bucks. That will make several airboats, airplane floats, etc. I've made two airboats so far with it. I love working with it. It cuts...
Forum: RC Airboats
03-24-2009, 08:50 AM
Replies: 2
Views: 1,263
Posted By cracker39

Electric Tri-Hul Scratch Build from foam and wood

I recently made an electric airboat based on a couple of tri-point hydros that I‘ve seen on various forums. It's about 18" long and 15" wide overall, not counting the rudder. It has a 600...
03-03-2009, 08:52 AM
Replies: 2
Views: 1,124
Posted By cracker39

RE: Another FMS with WIN98 USB port problem

Thank you Eric. I have tried all that you suggested. I did download the D3DRM.DLL file and FMS still gets an error when I run it. The window for FMS opens and immediately closes and a message...
03-02-2009, 03:56 PM
Replies: 2
Views: 1,124
Posted By cracker39

Another FMS with WIN98 USB port problem

Got Vista...you know what problems there are there with running FMS. FMS aborts as soon as I start it for some reason and I got tired of trying to fix it. I made a Virtual PC hard drive. I Can't...
Forum: RC Airboats
07-31-2008, 02:21 PM
Replies: 17
Views: 2,376
Posted By cracker39

RE: First airboat build

Well....I'm still having problems getting either of my two glow engines to run well enough to put it in the water. I haven't been working with them for a few days and need to get back to working...
07-23-2008, 01:42 PM
Replies: 0
Views: 593
Posted By cracker39

Carb 101 with flowchart...carb mysteries cleared up.

It was suggested that I read the instructional document Carb 101 (from cajunairboats.com) and I did. It helped to clear up the mystery of how to get the carb on a glow engine adjusted properly. ...
Forum: RC Airboats
07-21-2008, 09:59 PM
Replies: 17
Views: 2,376
Posted By cracker39

RE: First airboat build

I did read Carb 101 and yes, that helps clear up how to adjust the low speed needle. I'm fairly new to glow engines and still needed help to get my cargs adjusted properly and this should help me do...
Forum: RC Airboats
07-21-2008, 10:55 AM
Replies: 17
Views: 2,376
Posted By cracker39

RE: First airboat build

The engine stand has been rebuilt with the fuel tank higher, but now, the engine won't start at all. There is fuel coming through as it's spraying out the carb a little and the glow plug is good as...
Forum: RC Airboats
07-19-2008, 03:34 PM
Replies: 17
Views: 2,376
Posted By cracker39

RE: First airboat build

Boatman, thanks for the tips. I needed those. I didn't have a valve for the fuel line and that may have worked. Anyway, I've taken the engine stand apart and moved the bottom angle pieces to the...
Forum: RC Airboats
07-19-2008, 12:56 PM
Replies: 17
Views: 2,376
Posted By cracker39

RE: First airboat build

Well, it looks like I'm back to the drawing board. I did have a bad glow plug, but that's not all of the problem. With the fuel tank below the engine, it just won't pull the fuel up and keep...
Forum: RC Airboats
07-19-2008, 10:53 AM
Replies: 17
Views: 2,376
Posted By cracker39

RE: First airboat build

No video yet. I couldn't get the engine to start. Either the fuel tank is too low (just beneath the engine) or the carb may have been damaged in the crash of the airplane it was in. I can check...
Forum: RC Airboats
07-18-2008, 11:38 AM
Replies: 17
Views: 2,376
Posted By cracker39

RE: First airboat build

I usually come up with something that will work and I think this will do the job. I didn't use duck tape, but instead, a couple of wire ties on the handle through holes to the underside of the...
Showing results 1 to 25 of 141
 


 
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