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Search: Posts Made By: MJD
Showing results 1 to 25 of 226
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Forum: "1/2 A" & "1/8 A" airplanes
04-10-2018, 05:21 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Yeah, this prop pulls like a bear and would be...

Yeah, this prop pulls like a bear and would be the cat's ass on a small clean sport aero design. My thoughts lean towards similar overall dimensions, skinny it right up but side area of course (gotta...
Forum: "1/2 A" & "1/8 A" airplanes
04-10-2018, 03:42 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Well yeah, you're flying those things around...

Well yeah, you're flying those things around crazy close to the ground.. lucky they groove! I just flew the Leprous Sparrowhawk a couple more times about 45m ago. At 5 oz it will hold a steep, steep...
Forum: "1/2 A" & "1/8 A" airplanes
04-10-2018, 09:11 AM
Replies: 1,856
Views: 179,202
Posted By MJD

I tend to think that exceeding pitch speed is...

I tend to think that exceeding pitch speed is actually a case of the datum line or chord line pitch not accurately expressing the true aerodynamic pitch of the prop.. if pitch speed is exceeded, then...
Forum: "1/2 A" & "1/8 A" airplanes
04-09-2018, 02:16 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Well, subject to education on the subject, that's...

Well, subject to education on the subject, that's what I understand because it is timed and so only sees positive pressure impulses. Similarly, my understanding of back-plate pressure is that the...
Forum: "1/2 A" & "1/8 A" airplanes
04-09-2018, 08:46 AM
Replies: 1,856
Views: 179,202
Posted By MJD

Nicely done again! Yeah I ordered the plates...

Nicely done again!

Yeah I ordered the plates but had not got back to adding in the postage and sending the money - just gapped out again. I sent the PP payment for 2x.010, 1 ea .020 and .049 this...
Forum: "1/2 A" & "1/8 A" airplanes
04-07-2018, 09:16 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Yeah for sure, happy to pay what the man wants...

Yeah for sure, happy to pay what the man wants for his jewelry, and nothing has shipped. I am a scatterbrain with PM's as a rule, best intentions notwithstanding. Add a few 9/10 crazy push push push...
Forum: "1/2 A" & "1/8 A" airplanes
04-07-2018, 06:56 PM
Replies: 1,856
Views: 179,202
Posted By MJD

OMG, I ordered a few a couple of weeks ago and...

OMG, I ordered a few a couple of weeks ago and that just wham-bam reminded me I was supposed to get back to him and wire the payment! Oops. I will take care of that first thing in the morning.. :p ...
Forum: "1/2 A" & "1/8 A" airplanes
04-06-2018, 05:07 PM
Replies: 1,856
Views: 179,202
Posted By MJD

This thing has a few flights and some mileage on...

This thing has a few flights and some mileage on it, but it has sat around idle for ages with no regulator or Rx as it was getting pretty ratty and I was wishing for a nice TD .020 bird to replace...
Forum: "1/2 A" & "1/8 A" airplanes
04-06-2018, 02:55 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Your prop mod efforts are more carefully done...

Your prop mod efforts are more carefully done than mine, I need a light and magnifier these days but don't have one. And more patience.

One thing I noticed running some plastic drone props on...
Forum: "1/2 A" & "1/8 A" airplanes
04-05-2018, 06:29 PM
Replies: 1,856
Views: 179,202
Posted By MJD

I wonder if the manufacturer's engineer collected...

I wonder if the manufacturer's engineer collected Cox engines and secretly made sure these happened to be good dual-use props..
Forum: "1/2 A" & "1/8 A" airplanes
04-05-2018, 06:26 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Yes, I saw similar numbers too when I bench ran...

Yes, I saw similar numbers too when I bench ran one stock. I also grabbed some of the 4x2.8, and they go like a bat on the TD .020. Mine's a silver case early version from the yellow blister pack, a...
Forum: "1/2 A" & "1/8 A" airplanes
04-05-2018, 08:26 AM
Replies: 1,856
Views: 179,202
Posted By MJD

Did you mod that prop or just balance it? I...

Did you mod that prop or just balance it? I haven't run one on my .020 yet, the stock prop rpm on the .010 was up there and it seemed light for the .020 to me, maybe not. My .020 model isn't clean...
Forum: "1/2 A" & "1/8 A" airplanes
03-30-2018, 05:41 AM
Replies: 1,856
Views: 179,202
Posted By MJD

Can't say I know the exact timing but visually...

Can't say I know the exact timing but visually the exhaust is definitely under 180 degrees. I had to have the speed version just because, well I just wanted it. So far it is the most challenging...
Forum: "1/2 A" & "1/8 A" airplanes
03-29-2018, 09:52 PM
Replies: 1,856
Views: 179,202
Posted By MJD

The Toucan has the open exhaust Profi Rambler....

The Toucan has the open exhaust Profi Rambler. Haven't tamed the speed version yet.

The 3.8" x 4.75" prop is an E5, thinned/narrowed, and I have a wider blade version in 4" OD. The pressure...
Forum: "1/2 A" & "1/8 A" airplanes
03-29-2018, 01:57 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Yeah that’s a number to be reckoned with. I don’t...

Yeah that’s a number to be reckoned with. I don’t know if I have too much airframe for that speed but I suspect it is capable. It’s really slippery.

LOL what do I have to do, run a 1-blade 6”...
Forum: "1/2 A" & "1/8 A" airplanes
03-29-2018, 08:23 AM
Replies: 1,856
Views: 179,202
Posted By MJD

I can barely even see the .05 version in the...

I can barely even see the .05 version in the picture... :cool:

Nice lineup of little speed demons. The Screamin Toucan on pressure and new props are on deck all checked out and ready to go again -...
Forum: "1/2 A" & "1/8 A" airplanes
03-20-2017, 06:53 PM
Replies: 1,856
Views: 179,202
Posted By MJD

I just watched a SAW run of a monster electric...

I just watched a SAW run of a monster electric setup on YT, I believe it was 8S, 594 amps. High 200's kph each way. How to dump a lot of potential energy FAST..

ha found it.....
Forum: "1/2 A" & "1/8 A" airplanes
03-20-2017, 01:21 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Curious - running so light a load, does the...

Curious - running so light a load, does the engine overrun the pipe and self-govern itself rich, or what happens, are you just real careful on the throttle? On that video where you run the rigger,...
Forum: "1/2 A" & "1/8 A" airplanes
03-08-2017, 08:08 AM
Replies: 1,856
Views: 179,202
Posted By MJD

It should be back up and going in the spring, the...

It should be back up and going in the spring, the body repair is a bit more of a PITA than I hoped. I don't think I would take it over, the overall cost of the journey would be too much. Just a sight...
Forum: "1/2 A" & "1/8 A" airplanes
03-07-2017, 08:16 PM
Replies: 1,856
Views: 179,202
Posted By MJD

It might not fly, but I gotta say that is some...

It might not fly, but I gotta say that is some sexy looking hardware.

Any chance you might head to SMALL? I'm going to make a decision pretty soon between that and the pulsejet event in Germany,...
Forum: "1/2 A" & "1/8 A" airplanes
02-27-2017, 01:42 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Man look at the sharp corners on that crank -...

Man look at the sharp corners on that crank - just run an end mill across it to cut the opening. Did they even break the edges?

That recranked engine sounds pretty happy and healthy. I heard a...
Forum: "1/2 A" & "1/8 A" airplanes
02-17-2017, 09:23 AM
Replies: 1,856
Views: 179,202
Posted By MJD

Says I need a plug-in to see it, but no info...

Says I need a plug-in to see it, but no info other than that.
Forum: "1/2 A" & "1/8 A" airplanes
01-28-2017, 11:12 PM
Replies: 1,856
Views: 179,202
Posted By MJD

As a buddy of mine said when I described my usual...

As a buddy of mine said when I described my usual hobby lifestyle of moving several balls ahead a tiny bit at a time each: "no project is too big to start".

I'm actually getting tired of that...
Forum: "1/2 A" & "1/8 A" airplanes
01-27-2017, 11:51 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Sure please. I'm in the upper 10 over the new...

Sure please. I'm in the upper 10 over the new concrete wall to the north, but postage isn't much. I bet you still have my mail, otherwise PM.

All things willing I'm going to shoot Klasskote primer...
Forum: "1/2 A" & "1/8 A" airplanes
01-27-2017, 09:02 PM
Replies: 1,856
Views: 179,202
Posted By MJD

Can't say I've ever seen a 1/2A helicopter even...

Can't say I've ever seen a 1/2A helicopter even on video before. Bigger machine than I expected.
Showing results 1 to 25 of 226
 
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