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Search: Posts Made By: gmr1948
Showing results 1 to 19 of 19
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Forum: Electric Pattern Aircraft
03-13-2013, 04:53 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner,

Any new developments since this post?

Gary
Forum: Electric Pattern Aircraft
12-09-2012, 09:09 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner,

Is the re-grease recommendation still every eight hours of run time?

Gary
Forum: Electric Pattern Aircraft
08-04-2012, 06:48 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner,
What did you use as reference points on the Wind S to set it up relative to sander?

Gary
Forum: Electric Pattern Aircraft
06-30-2012, 09:04 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner,

I believe you are using a YGE controller. How do you turn on brake during flight?
Forum: Electric Pattern Aircraft
04-06-2012, 05:40 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner,

I spoke with APC this morning and they re-weighed the props. The website numbers currently displayed are incorrect. Should be 3.1 oz and 3.35 oz.

Gary
Forum: Electric Pattern Aircraft
04-05-2012, 10:44 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner,

The APC site lists a 20.5x 20.5 @ 4.34 oz and a 20x22.5 counter rotating @ 4.09 oz. If these are the props you are referring to, the weights do not agree. Gary
Forum: Electric Pattern Aircraft
12-23-2011, 04:44 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Dick

Can you translate C/G 25% MAC to distance back from LE at fuselage?

Gary
Forum: Electric Pattern Aircraft
12-15-2011, 08:38 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Hi Brenner,

I would like to understand what options are available to me for my particular installation. Installing the contra drive in my Sebart required placing the motor mount foward of the...
Forum: Electric Pattern Aircraft
06-02-2011, 04:04 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner

Now that the tentative delivery date of late May has passed, do you have a new estimate as to when the contra drive unit should arrive?

Thanks,
Gary
Forum: Electric Pattern Aircraft
05-23-2011, 04:34 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Does anyone know of a good technique to locate exit holes for rudder cables? On these composite fuselages you really only get one chance to get right. Do most installations require crossing cables?...
Forum: Electric Pattern Aircraft
05-18-2011, 03:41 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Dave,
In an earlier post you were pictured with a Sebart Wind Pro. In relation to main wing, what incidence did you set stabilizer?

Thanks,
Gary
Forum: Electric Pattern Aircraft
03-28-2011, 06:37 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Brenner,

When will customer specific choices need to be made? (gear ratio, motor type, prop size, color)

Gary
Forum: Electric Pattern Aircraft
03-28-2011, 05:25 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Hi,

Any update on delivery date?

Gary
Forum: Electric Pattern Aircraft
02-17-2011, 09:53 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Can you be more specific as to which Neu motor is supported? There seems to be more than one Neu F3A motor. Has there been a posting with the dimensions of the adapters with bolt hole locations?
...
Forum: Electric Pattern Aircraft
02-14-2011, 10:06 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Thanks Dave. Your input has been very helpful. One more question. What technique do use to remove material from nose to set proper angels?
Gary
Forum: Electric Pattern Aircraft
02-14-2011, 07:15 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Hi Dave, I think I understand the thinking but am not clear on how to epoxy ring and check the thrust angles during installation. Do you tack ring with ca and then push in epoxy?
I believe there is...
Forum: Electric Pattern Aircraft
02-13-2011, 08:35 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

When you are satisfied with the technology and begin selling the drive, how would I place an order? Thanks.
Forum: Electric Pattern Aircraft
02-13-2011, 07:15 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Dave,

I have never worked with composite fuselage before. Could you explain how you attached the motor mounting ring to fuselage. Also, how did you check for zero thrust?
Thanks,
Gary
Forum: Electric Pattern Aircraft
02-06-2011, 05:50 AM
Replies: 2,031
Views: 683,325
Posted By gmr1948

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

Does a drive include a gear set?
Showing results 1 to 19 of 19


 
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