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Search: Posts Made By: OhD
Showing results 1 to 25 of 52
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Forum: Electric Pattern Aircraft
12-20-2018, 12:00 PM
Replies: 2,031
Views: 683,943
Posted By OhD

What is the difference between a V2 and a V3? I...

What is the difference between a V2 and a V3? I believe I have 3 V3s.

Jim
Forum: Electric Pattern Aircraft
08-13-2017, 10:10 AM
Replies: 2,031
Views: 683,943
Posted By OhD

I'm not 100% sure because I don't have a...

I'm not 100% sure because I don't have a schematic of the ESC, but it looks like you are disarming the ESC by switching off the BEC power because of the way you are wired. Normally the front end of...
Forum: Electric Pattern Aircraft
08-12-2017, 08:52 AM
Replies: 2,031
Views: 683,943
Posted By OhD

A couple of questions. Is the switch on the ESC...

A couple of questions. Is the switch on the ESC still in the configuration it was when you received the ESC? When you removed the red wire (power connection) between the ESC and receiver, is that now...
Forum: Electric Pattern Aircraft
08-11-2017, 08:38 PM
Replies: 2,031
Views: 683,943
Posted By OhD

There are two things required to arm the Mezon....

There are two things required to arm the Mezon. It must have the 10s pack connected and it must see a throttle signal lower than the start point setting. Once it is armed it stays armed until you...
Forum: Electric Pattern Aircraft
05-21-2017, 02:10 PM
Replies: 2,031
Views: 683,943
Posted By OhD

Contra Data Point

I started flying my first Contra V3 with a Neu motor in December of 2012. I'm currently still flying it and it has 413 total flights and is still going strong. I started flying the second in October...
Forum: Electric Pattern Aircraft
08-19-2016, 12:07 PM
Replies: 2,031
Views: 683,943
Posted By OhD

What do we know about the Jeti Phasor Aero motor...

What do we know about the Jeti Phasor Aero motor Bruckmann was using with his Contra? I assume he uses the V4.

Jim O
Forum: Electric Pattern Aircraft
09-28-2015, 04:22 PM
Replies: 2,031
Views: 683,943
Posted By OhD

All good info Brian. That holding the middle...

All good info Brian. That holding the middle spinner is the hard part. I ended up putting a large washer on the brass puller and using a large wheel puller to pull the whole thing forward. it took...
Forum: Electric Pattern Aircraft
09-28-2015, 06:45 AM
Replies: 2,031
Views: 683,943
Posted By OhD

I must have over torqued the nut on the front...

I must have over torqued the nut on the front prop. Time to design a new tool I guess. A miniature wheel puller?

Jim O
Forum: Electric Pattern Aircraft
09-27-2015, 02:35 PM
Replies: 2,031
Views: 683,943
Posted By OhD

Am I the only one that has trouble pulling the...

Am I the only one that has trouble pulling the front spinner? I built my own puller for my original Contra but it doesn't work on the newer one with all the lightening holes. The brass unit...
Forum: Electric Pattern Aircraft
07-29-2015, 05:22 PM
Replies: 2,031
Views: 683,943
Posted By OhD

I tried a 5 point curve to duplicate your VTR...

I tried a 5 point curve to duplicate your VTR curve today and it looks very promising. At first I banged the stick over and it looked like hell, but I found if I flew the plane through the stall...
Forum: Electric Pattern Aircraft
05-21-2015, 08:55 PM
Replies: 2,031
Views: 683,943
Posted By OhD

New technologies

Brenner, any comments on the concepts using what looks like helicopter variable pitch props to control the thrust vector? Seems like the next step. If pattern doesn't start embracing new...
Forum: Electric Pattern Aircraft
04-14-2015, 02:07 PM
Replies: 2,031
Views: 683,943
Posted By OhD

A rare engineering achievement. Everything is...

A rare engineering achievement. Everything is going in the right direction. Congratulations!

Jim O
Forum: Electric Pattern Aircraft
11-25-2014, 04:13 PM
Replies: 2,031
Views: 683,943
Posted By OhD

Thanks Dave. Great work and great data. Your...

Thanks Dave. Great work and great data. Your setup definitely has power to spare as far as P-15 goes. You are using a very small part of the throttle range but you seem to hit the same spot (on...
Forum: Electric Pattern Aircraft
10-27-2014, 11:28 AM
Replies: 2,031
Views: 683,943
Posted By OhD

I wouldn't call that a good compromise. It is...

I wouldn't call that a good compromise. It is really an extreme. You have the longer props with higher pitch (a large load) and a lower gear ratio which is what we'd call high gear in a car. No...
Forum: Electric Pattern Aircraft
10-07-2014, 09:35 PM
Replies: 2,031
Views: 683,943
Posted By OhD

It would seem like the area is more important...

It would seem like the area is more important than the position.

Jim O
Forum: Electric Pattern Aircraft
09-19-2013, 10:48 AM
Replies: 2,031
Views: 683,943
Posted By OhD

You can add the Mythos to your list. We had...

You can add the Mythos to your list. We had three planes flying yesterday and they all had Contras; Axiome, Mythos, and Visa. I didn't mention it but I installed the Contra without disturbing the...
Forum: Electric Pattern Aircraft
09-19-2013, 09:55 AM
Replies: 2,031
Views: 683,943
Posted By OhD

Well there are at least two Axiomes with Contra...

Well there are at least two Axiomes with Contra Drives now. I finally got mine in the air yesterday. I was ready to sell the whole thing until I figured out I still had a throttle to rudder mix,...
Forum: Electric Pattern Aircraft
08-22-2013, 09:41 AM
Replies: 2,031
Views: 683,943
Posted By OhD

I thought I had put this out of my mind, but now...

I thought I had put this out of my mind, but now I am all charged up. I'm going to check it out today to see how easy it will be to retrofit. It must be working well if he made it to the semi's. ...
Forum: Electric Pattern Aircraft
08-17-2013, 09:12 PM
Replies: 2,031
Views: 683,943
Posted By OhD

I think you nailed it Stuart. The new designs...

I think you nailed it Stuart. The new designs including the Axiome + are less stable in yaw and the Contra would make it worse. What we really need is a plane designed for the Contra. I'm inclined...
Forum: Electric Pattern Aircraft
08-15-2013, 05:21 PM
Replies: 2,031
Views: 683,943
Posted By OhD

As I recall you had to make many mods including...

As I recall you had to make many mods including increasing the effective vertical stabilizer to get what you wanted. How would you compare it's performance to your Contra/Nuance? I'm thinking the...
Forum: Electric Pattern Aircraft
08-15-2013, 09:35 AM
Replies: 2,031
Views: 683,943
Posted By OhD

Anyone in the world using a Contra on an Axiome...

Anyone in the world using a Contra on an Axiome +? It is a good flying airplane but I suspect it might be better with a Contra.

Jim O
Forum: Electric Pattern Aircraft
06-19-2013, 11:54 PM
Replies: 2,031
Views: 683,943
Posted By OhD

RE: Contra Rotating Propeller Drive for f3a 2m Pattern Planes

Hey Brenner, does Gernot communicate in English? I'd like to discuss his setup of his Jeti Duplex radio.

Jim O
Forum: Electric Pattern Aircraft
05-10-2013, 02:54 PM
Replies: 2,031
Views: 683,943
Posted By OhD

RE: Contra Rotating Propeller Drive for f3a 2m Pattern Planes

No you covered yourself by saying the actual NPs were semi junk but just for kicks I looked at my 2M models and all the wing tubes are about 20 to 21 inches back of the prop or rear prop. The CGs...
Forum: Electric Pattern Aircraft
05-10-2013, 10:05 AM
Replies: 2,031
Views: 683,943
Posted By OhD

RE: Contra Rotating Propeller Drive for f3a 2m Pattern Planes

Dean,

I hope your model needs a little refinement. If our cg's are anywhere near the wing tube (like most) we have negative yaw stability. What do you think?

Jim O
Forum: Electric Pattern Aircraft
05-09-2013, 06:13 PM
Replies: 2,031
Views: 683,943
Posted By OhD

RE: Contra Rotating Propeller Drive for f3a 2m Pattern Planes

Bryan, seems to me we need a Contra pusher with the props behind the cg. Have you got one of those on the board?

I do believe Dean is on the right track.

Jim O
Showing results 1 to 25 of 52
 
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