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Search: Posts Made By: MJD
Showing results 1 to 25 of 28
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Forum: "1/2 A" & "1/8 A" airplanes
04-10-2015, 09:36 AM
Replies: 339
Views: 24,118
Posted By MJD

Lately here it has become more and more common to...

Lately here it has become more and more common to see a crop of 10-20-30 turkeys rooting around in cultivated fields - nearby woods and cover of course. Some years ago I hardly knew they were...
Forum: "1/2 A" & "1/8 A" airplanes
03-13-2015, 07:23 AM
Replies: 339
Views: 24,118
Posted By MJD

I always find good stuff in here: ...

I always find good stuff in here:

http://www.charlesriverrc.org/articles/design/vtailmsganthology.htm

http://www.djaerotech.com/dj_askjd/
Forum: "1/2 A" & "1/8 A" airplanes
01-05-2015, 10:01 AM
Replies: 339
Views: 24,118
Posted By MJD

In Ontario there is no such thing as "not rusty"....

In Ontario there is no such thing as "not rusty". The roads are made of salt with gravel sprinkled on top for traction. When I travel to the southern US, I can hardly recognize half the cars on the...
Forum: "1/2 A" & "1/8 A" airplanes
01-04-2015, 07:35 PM
Replies: 339
Views: 24,118
Posted By MJD

I would think the adult novelty shop might have...

I would think the adult novelty shop might have some plastic items about the right size for these smaller cowls.
Forum: "1/2 A" & "1/8 A" airplanes
01-02-2015, 04:59 PM
Replies: 339
Views: 24,118
Posted By MJD

It certainly gave him the incentive to stick...

It certainly gave him the incentive to stick around and help me out. I had just replaced the tube when he showed up, so I ran down the procedure from tube to target, and we just systematically went...
Forum: "1/2 A" & "1/8 A" airplanes
01-01-2015, 10:13 AM
Replies: 339
Views: 24,118
Posted By MJD

They are made from a variety of materials, but...

They are made from a variety of materials, but the opaque white boards are quite often HDPE and I suspect that is the material they're after - I can see how that would offer a lot of flexibility and...
Forum: "1/2 A" & "1/8 A" airplanes
12-30-2014, 09:14 PM
Replies: 339
Views: 24,118
Posted By MJD

LOL - I know exactly what that looks like, I've...

LOL - I know exactly what that looks like, I've drawn similar ideas before with top and bottom fuselages on various wings. Ugly is right. In real life with the wing in the way of your line of sight...
Forum: "1/2 A" & "1/8 A" airplanes
12-29-2014, 08:57 AM
Replies: 339
Views: 24,118
Posted By MJD

BTW those high percentages I suggested were based...

BTW those high percentages I suggested were based on paint curative blends - which are loaded with solvents and whatnot as well. If you bracket too little and too much you can get a feel.
Forum: "1/2 A" & "1/8 A" airplanes
12-29-2014, 08:55 AM
Replies: 339
Views: 24,118
Posted By MJD

Yes CP - but I've never got around to trying it...

Yes CP - but I've never got around to trying it out yet. The cellulose molecule has three-OH (hydroxyl) groups on it, those are the guys that react with isocyanates. When it is nitrated, the -OH...
Forum: "1/2 A" & "1/8 A" airplanes
12-28-2014, 01:08 PM
Replies: 339
Views: 24,118
Posted By MJD

Don't confuse spray cans of polyurethane or cans...

Don't confuse spray cans of polyurethane or cans of brush on polyurethane this or that, with the two part automotive systems. There is quite difference in the properties of the finished films,...
Forum: "1/2 A" & "1/8 A" airplanes
12-28-2014, 10:30 AM
Replies: 339
Views: 24,118
Posted By MJD

BTW I wasn't trying to sound clever.. I can...

BTW I wasn't trying to sound clever.. I can assure you these are no more than the fundamentals. My point was to encourage you to treat this with some suspicion until you have some evidence there is...
Forum: "1/2 A" & "1/8 A" airplanes
12-28-2014, 09:05 AM
Replies: 339
Views: 24,118
Posted By MJD

For the curative (it's not a universal hardener)...

For the curative (it's not a universal hardener) to have any effect, it has to find compatible sites on the other molecules with which to react to form the chains and branches of a polymeric network....
Forum: "1/2 A" & "1/8 A" airplanes
12-28-2014, 07:28 AM
Replies: 339
Views: 24,118
Posted By MJD

I have my doubts about the ability of isocyanate...

I have my doubts about the ability of isocyanate curatives to cause any cross linking in household enamels.. gotta look into that one to be convinced. Don't add them to your 1/2a fuel because castor...
Forum: "1/2 A" & "1/8 A" airplanes
12-27-2014, 02:53 PM
Replies: 339
Views: 24,118
Posted By MJD

I once bought about $400 of balsa at dealer price...

I once bought about $400 of balsa at dealer price to stock up my new workshop after we moved here. I requested primarily medium grade or medium light. 50% of the stuff I got was 6 lb or less.. but...
Forum: "1/2 A" & "1/8 A" airplanes
12-26-2014, 08:10 PM
Replies: 339
Views: 24,118
Posted By MJD

I can tell you from experience that carefully...

I can tell you from experience that carefully wrapping a bushing of Al tape onto the motor shaft works quite well.. that's exactly how I have centered quite a few 1/2A & other props. Most common use...
Forum: "1/2 A" & "1/8 A" airplanes
12-25-2014, 08:51 PM
Replies: 339
Views: 24,118
Posted By MJD

I wasn't going to bid on it - I was offering one...

I wasn't going to bid on it - I was offering one of mine in case you didn't get it but wanted it.

If the engine is liking the 6.5x3.5, then I bet the APC 6.3x4 would work well. Fair bit of blade...
Forum: "1/2 A" & "1/8 A" airplanes
12-25-2014, 11:04 AM
Replies: 339
Views: 24,118
Posted By MJD

If you don't score that one, PM me.. :rolleyes:

If you don't score that one, PM me.. :rolleyes:
Forum: "1/2 A" & "1/8 A" airplanes
12-25-2014, 11:01 AM
Replies: 339
Views: 24,118
Posted By MJD

The Space Hopper is close but the VA nudges it by...

The Space Hopper is close but the VA nudges it by about 2 grams as I recall. I weighed them in a few months ago because I was not sure which was lighter. Actually I think I'll go dig them out now to...
Forum: "1/2 A" & "1/8 A" airplanes
12-23-2014, 06:16 AM
Replies: 339
Views: 24,118
Posted By MJD

You're starting to describe the wing on the...

You're starting to describe the wing on the Toucan. Next thing CP will be whipping out hollow molded wings in 3 days, mold and all.
Forum: "1/2 A" & "1/8 A" airplanes
12-22-2014, 10:00 PM
Replies: 339
Views: 24,118
Posted By MJD

Yeah, a skinny fast Cyclon powered version is a...

Yeah, a skinny fast Cyclon powered version is a natch.
Forum: "1/2 A" & "1/8 A" airplanes
12-22-2014, 08:13 PM
Replies: 339
Views: 24,118
Posted By MJD

Yeehah - it flew! Yet another done and test...

Yeehah - it flew! Yet another done and test flown before the rest of us get our elbows off the table.

So, gonna yank the AME and get a Cyclon in there on a combat prop?
Forum: "1/2 A" & "1/8 A" airplanes
12-21-2014, 10:13 PM
Replies: 339
Views: 24,118
Posted By MJD

18mph? Sounds like a *****cat. One day I need to...

18mph? Sounds like a *****cat. One day I need to resurrect my CX-11. Ran it once about 48 years ago, on a 7x3 something or other. I have a Baby Birdie fuselage from sometime in the 80's, with the...
Forum: "1/2 A" & "1/8 A" airplanes
12-18-2014, 04:03 PM
Replies: 339
Views: 24,118
Posted By MJD

Oh yeah - holy de-varnishing magic on the Stels!...

Oh yeah - holy de-varnishing magic on the Stels! 22k on a 5x3 - that's around stock TD performance isn't it?
Forum: "1/2 A" & "1/8 A" airplanes
12-18-2014, 04:00 PM
Replies: 339
Views: 24,118
Posted By MJD

I'm curious - do you remember any relative...

I'm curious - do you remember any relative numbers between 5x3 and 4.2x4 props? I assume the 5x3 is a bit higher shaft load.
Forum: "1/2 A" & "1/8 A" airplanes
12-15-2014, 06:17 AM
Replies: 339
Views: 24,118
Posted By MJD

I thought you were a Smart LiPo guy now?

I thought you were a Smart LiPo guy now?
Showing results 1 to 25 of 28
 
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