Search: Posts Made By: Marc
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11-30-2022, 07:56 PM
Replies: 7
Views: 1,485
Posted By Marc

This is the completed model. While building the...

This is the completed model. While building the wings I noticed the laser cut slots in the thin plywood trailing edge for attaching aileron hinges, so I didn't need to add a balsa strip for this...
11-21-2022, 01:22 AM
Replies: 7
Views: 1,485
Posted By Marc

Unhappy Here I used a 3/8" wedge that I cut from a piece...

Here I used a 3/8" wedge that I cut from a piece of 1x4 to help build in the required wing washout. Washout is needed to eliminate tip stall while landing.

188918

I am divorced so I can build...
11-02-2022, 08:42 PM
Replies: 7
Views: 1,485
Posted By Marc

Of all the kits I have built, I have never built...

Of all the kits I have built, I have never built the same kit twice. This one is an exception because it is a great plane, and it flies like a much larger plane. I still enjoy flying the original...
01-08-2022, 01:09 AM
Replies: 3
Views: 830
Posted By Marc

I'm like you, Daren. I taught myself to fly in...

I'm like you, Daren. I taught myself to fly in the hay field outside my backdoor in east Texas. I don't know what to do with the leftover wheels and landing gear. We may never know about that part...
12-31-2021, 03:26 AM
Replies: 7
Views: 1,485
Posted By Marc

I velcroed a Car Keys 808 micro-camera to the...

I velcroed a Car Keys 808 micro-camera to the bill of my cap to make this. I bet everyone wishes they had a flying field like this in their backyard.

https://www.youtube.com/watch?v=Pn0rngRxf0k
Forum: Foamies
12-21-2021, 02:00 AM
Replies: 4
Views: 3,110
Posted By Marc

I've done some video editing too, but not related...

I've done some video editing too, but not related to this other hobby we share. You have taken first person view to a new level. The garbled radio chat really adds to the cockpit realism.
Forum: Foamies
12-19-2021, 06:42 PM
Replies: 4
Views: 3,110
Posted By Marc

Awesome onboard videography - amazingly stable.

Awesome onboard videography - amazingly stable.
12-18-2021, 08:13 PM
Replies: 4
Views: 1,429
Posted By Marc

To be honest, I had to get out my college...

To be honest, I had to get out my college trigonometry textbook to derive the formula. It uses the sine function to compute the angular deviation from perpendicular to the wing leading edge. The...
12-18-2021, 03:06 AM
Replies: 4
Views: 1,429
Posted By Marc

Compute your prop thrust angle in degrees

The formula is:
((L - R) / D) * (180 / pi)
where:
L is the distance from the horizontal prop tip to the leading edge of the left wing
R is the distance from the horizontal prop tip to the leading...
12-11-2021, 09:47 PM
Replies: 7
Views: 1,485
Posted By Marc

Aliexpress Race Plane Kit

I haven't built a kit in about two years. I have a 1400kv 35-30 motor, 30amp ESC, 3S 2200 mAh lipos, and a receiver from a previous crash that need a small high-performance plane to fly. Performance...
09-26-2019, 09:42 PM
Replies: 4
Views: 8,058
Posted By Marc

Perfect Decorative Trim on ARFs

How do ARF manufacturers so perfectly cut and apply large pieces of plastic covering for decorative trim on our models? They often wrap around compound surfaces, so I don't think they are done with...
09-26-2015, 05:14 AM
Replies: 5
Views: 4,175
Posted By Marc

I don't know what the AUW is for this model. I...

I don't know what the AUW is for this model. I only have a 16 oz. food scale at home. I know that the weight of only the covered wood was 13 oz. I'm guessing my flying weight is around 28-30 oz. My...
09-23-2015, 11:49 PM
Replies: 5
Views: 4,175
Posted By Marc

Hobbyking Laser-Cut Big Stick kit

I totaled out my Sig Wonder this summer. All of the parts seemed to be recyclable except for the receiver and one servo. I decided to build the Hobbyking Laser-Cut Big Stick for only $30 to replace...
08-20-2015, 04:14 AM
Replies: 34
Views: 6,261
Posted By Marc

Today I borrowed my neighbor's postal scale to...

Today I borrowed my neighbor's postal scale to weigh the model. All up weight was close to what I estimated at 2 lbs. 6.oz. The first picture is a tail-end view to show that the wing is not warped....
08-15-2015, 11:47 PM
Replies: 34
Views: 6,261
Posted By Marc

Thanks to all of you for your suggestions. I...

Thanks to all of you for your suggestions. I haven't flown the P-51 recently because of a brisk east wind. When it swings back around to the south I will be able to have a long landing approach...
08-13-2015, 06:47 AM
Replies: 34
Views: 6,261
Posted By Marc

P-51 conversion has tip stall problem.

I converted to electric a Sig P-51 kit that is now discontinued. I believe it was intended for about a .15 glow engine. It is now powered by a 35-42, 1250kV brushless running on a 3-cell, 3000mAh...
01-03-2014, 03:29 AM
Replies: 93
Views: 22,210
Posted By Marc

I don't think you will need to add carbon fiber....

I don't think you will need to add carbon fiber. In my experience the wing is the least likely part of the plane to be crash damaged. Other than knocking the firewall out, the most common crash...
04-23-2013, 04:40 AM
Replies: 17
Views: 11,945
Posted By Marc

Yup, my dihedral turned out to be right at 1 -...

Yup, my dihedral turned out to be right at 1 - 1/2" total.
12-27-2012, 02:00 AM
Replies: 8
Views: 1,910
Posted By Marc

You can only get away with that if you are single...

You can only get away with that if you are single or divorced (which is what you will be if you try it on January 2nd). :blah:
11-26-2012, 04:48 AM
Replies: 16
Views: 12,615
Posted By Marc

Hi Gramps, I guess the battery never had a...

Hi Gramps,

I guess the battery never had a chance to go up in flames because it was instantly and completely destroyed. The motor wires to the ESC were presumably cut by the prop. The BEC had...
Forum: Beginners
11-26-2012, 03:40 AM
Replies: 68
Views: 9,376
Posted By Marc

Well maybe it's not against the law, but here is...

Well maybe it's not against the law, but here is a link to the 1981 FAA Adivsory Circular (ref. 3.c):...
Forum: Beginners
11-26-2012, 02:45 AM
Replies: 68
Views: 9,376
Posted By Marc

That certainly is a nice smooth runway, but I...

That certainly is a nice smooth runway, but I think the FAA has some serious issues with you guys flying RC at or even near a real airport.
Forum: Beginners
11-24-2012, 01:59 AM
Replies: 68
Views: 9,376
Posted By Marc

I too was a C/L combat competitor in District 8...

I too was a C/L combat competitor in District 8 some 30 years ago when a Fox Combat Special cost a mere $35. It was great fun, and I got to fly against some of the great ones like Richard...
11-21-2012, 09:49 PM
Replies: 16
Views: 12,615
Posted By Marc

Doppler reading and spectacular crash

Yesterday afternoon was the perfect day to get a doppler reading on the Hummer. I set my camcorder on a tripod and launched the Hummer. I made 4 high passes over the camcorder. Not satisfied with the...
10-31-2012, 07:08 AM
Replies: 16
Views: 12,615
Posted By Marc

I finally got the Hummer repaired. Aside from the...

I finally got the Hummer repaired. Aside from the structural damage, I found a malfunctioning left aileron servo that was sending spurious signals back to the receiver. In addition, I found that the...
10-13-2012, 09:25 PM
Replies: 16
Views: 12,615
Posted By Marc

NEWS BRIEF The FAA reported that a...

NEWS BRIEF

The FAA reported that a single-engine aircraft crashed 8 miles east of Hemphill, Texas on Friday afternoon. Bystanders said that the aircraft cartwheeled down a private road as the...
10-09-2012, 06:08 AM
Replies: 16
Views: 12,615
Posted By Marc

I made the maiden flight this evening. Powered up...

I made the maiden flight this evening. Powered up to full throttle and gave it a firm toss with right wing tipped slightly down. Good straight launch. Powered back to cruising speed to test the...
10-09-2012, 04:55 AM
Replies: 2
Views: 963
Posted By Marc

Hi, I used Sig Aerokote Lite on my Sig Hummer...

Hi,
I used Sig Aerokote Lite on my Sig Hummer weighing 24.75 oz.. I just maidened the plane today in a lush pasture about a foot deep. I made a relatively slow landing with nose high and found 2...
10-05-2012, 03:40 AM
Replies: 16
Views: 12,615
Posted By Marc

I finally got a pair of Turnigy 45-90C 3S...

I finally got a pair of Turnigy 45-90C 3S Nano-Tech lipos so I could finish the model. They barely fit since they are much thicker that the 20C Zippy flat packs I've been running on my sport models....
09-26-2012, 04:55 AM
Replies: 5
Views: 2,107
Posted By Marc

What does motor downthrust do?

Motor downthrust is actually an old free flight building technique that causes a modestly powered model to gradually climb. It does not hold the nose down as is commonly believed. On the contrary,...
Showing results 1 to 30 of 167
 


 
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