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Search: Posts Made By: CrateCruncher
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Forum: Kit Building
12-18-2019, 02:36 PM
Replies: 52
Views: 8,845
Posted By CrateCruncher

Nice thread. Congratulations on your successful...

Nice thread. Congratulations on your successful maiden and thanks for adding closure after all these years. I just picked up one of these now RARE Ultimate kits NIB and was given a very used OS 55AX...
09-26-2019, 08:46 AM
Replies: 3
Views: 3,430
Posted By CrateCruncher

I also thank you for adding those instructions....

I also thank you for adding those instructions. They add more details than what I have. I have what I think is a later Hansen Tipo 750 "kit" with some handwritten instructions by Dick dated Nov '82....
Forum: Kit Building
09-17-2019, 04:44 AM
Replies: 31
Views: 3,650
Posted By CrateCruncher

I love to build as much or more than flying. ...

I love to build as much or more than flying. I've tried scratch building from plans. But frankly, I love the convenience of precut parts and hate buying poor quality balsa wood by the $tick.
...
Forum: Kit Building
08-27-2019, 07:05 AM
Replies: 143
Views: 16,831
Posted By CrateCruncher

Worst kit was the Hal DeBolt Patternmaster. The...

Worst kit was the Hal DeBolt Patternmaster. The wood was ok but the construction methods were sadistic! Before starting the kit you had to construct several assembly jigs and fixtures. The stab...
Forum: Marketplace
06-11-2019, 11:06 AM
Replies: 6
Views: 710
Posted By CrateCruncher

Tipo For Sale

I'll take it for $215 shipped to Texas. PM sent!
01-06-2010, 01:46 PM
Replies: 48
Views: 11,085
Posted By CrateCruncher

RE: SIG Ryan STA special Plan needed!

I agree with the others. It's nice that you guys are sharing your builds. Despite this being a popular kit for decades I have seen only one partial build thread on the internet. This kit is in my...
Forum: Aerodynamics
01-06-2010, 01:30 PM
Replies: 19
Views: 2,354
Posted By CrateCruncher

RE: Climb on speed change

BMathews,
How did you conclude the CG of the model in question was set too far forward? The original poster doesn't have the plane in the air yet. He was referring to the model's reputation "in...
Forum: Aerodynamics
01-05-2010, 11:58 AM
Replies: 19
Views: 2,354
Posted By CrateCruncher

RE: Climb on speed change

Vic,
A wing generates lift in proportion to the square of it's velocity. So, when all other things are held constant the plane climbs when prop thrust and airspeed increase. Notice I said...
01-01-2010, 09:36 AM
Replies: 678
Views: 115,148
Posted By CrateCruncher

RE: Scratch-built Fokker Dr.I 1/6 scale

Happy new year everyone! This officially ends the holidays for me so I'll have to leave the world of Fokker Dr1's soon and get back to work. But I have done a little more digging and discovered the...
12-31-2009, 01:53 PM
Replies: 678
Views: 115,148
Posted By CrateCruncher

RE: Scratch-built Fokker Dr.I 1/6 scale

Ok, after looking over my Dr1 plans I see the point Vertical Grimmace is referring to. I had forgotten that the portion of the fuse frame that the h. stab rests on is not parallel with the upper...
12-31-2009, 12:10 AM
Replies: 678
Views: 115,148
Posted By CrateCruncher

RE: Scratch-built Fokker Dr.I 1/6 scale

I think we're all saying the same thing. The choice of datum line often makes this topic more confusing than it should be. Abu, the first thing is to determine how you want the fuselage to fly at...
12-30-2009, 12:39 PM
Replies: 678
Views: 115,148
Posted By CrateCruncher

RE: Scratch-built Fokker Dr.I 1/6 scale

Here are some points about incidence I've had to learn the hard way:
1) Incidence is the trim setting which makes the plane cruise level with the fuselage/tail aligned at the least amount of...
Forum: Kit Building
12-23-2009, 05:13 PM
Replies: 72
Views: 7,016
Posted By CrateCruncher

RE: My Kit Collection: Comments wanted

(Yea, me too!) Yep, same here...OK, I'm envious that you have a Bucker Jungmann but man, do you really NEED a Gentle Lady?

Wait a second, that's THREE Piper Cubs you've mentioned...What Ultimate...
12-09-2009, 01:14 PM
Replies: 359
Views: 61,336
Posted By CrateCruncher

RE: Dirty Birdy Build Thread

Jeff,
Please record the airframe weight before and after glassing for us. Thanks!
12-06-2009, 04:13 PM
Replies: 678
Views: 115,148
Posted By CrateCruncher

RE: Scratch-built Fokker Dr.I 1/6 scale

Don your test looks really good. In my opinion it's a worse case than the finished plane because a portion of the frame is held rigid. A free-standing plane can absorb some shock simply by wobbling...
12-04-2009, 11:44 AM
Replies: 7
Views: 1,699
Posted By CrateCruncher

RE: TF Stinson SR9

Scalenut,
There is a TF SR9 thread in the kit building forum that has been running for years with several of these planes being built by the contributors. Try there if you have any additional...
12-04-2009, 10:24 AM
Replies: 332
Views: 54,842
Posted By CrateCruncher

RE: Curare Build

The aluminum alloys used in cases are quite ductile so local temperature gradients aren't a concern. One potential threat is reduced temper in the case alloy but one would have to get the aluminum...
12-03-2009, 11:42 PM
Replies: 332
Views: 54,842
Posted By CrateCruncher

RE: Curare Build

If the interference is still too great to pull the liner out you can reduce it further by making the liner cold and the case hot. Try cold soaking the engine in the freezer a couple of hours. Then...
11-29-2009, 06:30 PM
Replies: 332
Views: 54,842
Posted By CrateCruncher

RE: Curare Build

I too am interested in building a Curare and will be watching your progress. I think I'd like to build mine with foam wing and stab but undecided. What led you to pick the foam version. Thanks...
Forum: Aerodynamics
11-28-2009, 09:19 PM
Replies: 20
Views: 3,063
Posted By CrateCruncher

RE: Wing, hor stab incidence and CG affect on flight attitude

Splais,
Reading the description of your Bf109 attitude in level flight I would suspect the incidence in both the main plane and stab were too positive relative to the fuse centerline but about...
Forum: Kit Building
11-24-2009, 12:39 PM
Replies: 19
Views: 2,020
Posted By CrateCruncher

RE: How to build

I think one of the most effective ways to build straight is to focus on what is critical. As builds get increasingly complex you will be forced into making a few trade-offs. Knowing how each...
Forum: Aerodynamics
11-24-2009, 12:13 PM
Replies: 58
Views: 5,478
Posted By CrateCruncher

RE: Penetration

After thinking about this for a while I'm not as enthusiastic as I once was about adding mass to powered planes for penetration. Gliders are a different story. In an uplift, the airstream (and by...
Forum: Aerodynamics
11-24-2009, 11:37 AM
Replies: 16
Views: 3,447
Posted By CrateCruncher

RE: Wing Loading....

TonyG,

There is one problem with your calculation. When you multiplied your number by 144 you converted from "per square inch" to "per square foot". The final number is 23.3 oz/sq ft. I'm...
Forum: Aerodynamics
11-04-2009, 05:56 PM
Replies: 58
Views: 5,478
Posted By CrateCruncher

RE: Penetration

Well first off thanks for actually reading the post everyone. I figured I'd only hear crickets after posting it. Second, I admit I have very little hands-on experience with park flyers. I used a...
Forum: Aerodynamics
11-04-2009, 01:35 PM
Replies: 58
Views: 5,478
Posted By CrateCruncher

RE: Penetration

A pilot of a very light (1/2 pound) electric plane is flying in calm conditions at 40 mph

ground speed. A front rolls in changing the conditions to a headwind of 20 mph and a 60 mph

...
Showing results 1 to 25 of 500
 


 
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