Search: Posts Made By: av8tor1977
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Forum: Engine Conversions Today, 08:35 PM
Replies: 49
Views: 608
Posted By av8tor1977
Nice. So, the engine is approaching being a "done...

Nice. So, the engine is approaching being a "done deal." How's the plane coming along?

I went to the Tuscon Aerobatic Shootout today. Suzuki Yuhei, the Unlimited Freestyle pilot from Japan crashed...
Forum: Gas Engines Yesterday, 04:50 PM
Replies: 7
Views: 142
Posted By av8tor1977
Good answer Truckracer. I saw the post this...

Good answer Truckracer. I saw the post this morning, but was in a rush to leave to go to the Tucson Expo Gun Show. Tomorrow, I'm off to see the final rounds of the Tucson Aerobatic Shootout. Cool!...
Forum: Engine Conversions 10-17-2017, 03:17 PM
Replies: 49
Views: 608
Posted By av8tor1977
Back to carbs.... I wonder just how far it would...

Back to carbs.... I wonder just how far it would be feasible to bore a carb out. I have a bunch of small bore carbs lying around gathering dust. I only keep them in case I need to rob a part, but if...
Forum: Gas Engines 10-17-2017, 02:58 PM
Replies: 6
Views: 1,098
Posted By av8tor1977
Thanks also from me for that link. Saves me...

Thanks also from me for that link. Saves me having to go through all my archived computer back ups to find it. (And dragging out my external back up hard drive to do it!) I was needing it just...
Forum: Engine Conversions 10-17-2017, 09:16 AM
Replies: 49
Views: 608
Posted By av8tor1977
Sounds good. Ugggh, dash work. Hate it! ...

Sounds good.

Ugggh, dash work. Hate it! I worked at a hot rod shop once, and I always breathed a sigh of relief when dash work would come in and the boss would say in a loud angry voice,...
Forum: Engine Conversions 10-16-2017, 02:30 PM
Replies: 49
Views: 608
Posted By av8tor1977
Interesting

I was going to dig out my spreadsheet for calculating prop thrust for you on the other computer, but then I found this one online:

http://godolloairport.hu/calc/strc_eng/index.htm

I took a...
Forum: Engine Conversions 10-16-2017, 01:58 PM
Replies: 49
Views: 608
Posted By av8tor1977
Just happened to think about diesels... Ether is...

Just happened to think about diesels... Ether is a bit hard on them, though sometimes necessary. Try this some cold morning. Just lay a gas soaked rag over the air intake. Works great!

AV8TOR
Forum: Engine Conversions 10-16-2017, 01:42 PM
Replies: 49
Views: 608
Posted By av8tor1977
It generally doesn't work well to make a stud out...

It generally doesn't work well to make a stud out of a bolt by trying to thread it farther, as the shank of most bolts is a bit larger than the major o.d. of the threaded portion. Using all-thread...
Forum: Engine Conversions 10-16-2017, 09:26 AM
Replies: 49
Views: 608
Posted By av8tor1977
Actually, I pay even more attention to the...

Actually, I pay even more attention to the throttle butterfly screw. Its location in an area of smaller area/higher velocity makes smooth airflow even more beneficial. When you take a close look at...
Forum: Engine Conversions 10-15-2017, 09:44 AM
Replies: 49
Views: 608
Posted By av8tor1977
Just happened to think just now as I was checking...

Just happened to think just now as I was checking for new posts....

On some of my engine builds, I have done an internal "clean up" of the carb, using a Dremel. Sometimes there is a casting ridge...
Forum: Engine Conversions 10-14-2017, 10:06 AM
Replies: 49
Views: 608
Posted By av8tor1977
You're more than welcome. It's been good to see...

You're more than welcome. It's been good to see some action in this forum again. Please keep us updated on your nice project. And that is a VERY good idea about your prop bolt. Install a stud as...
Forum: Engine Conversions 10-13-2017, 09:56 PM
Replies: 49
Views: 608
Posted By av8tor1977
Forgot to mention this.... I don't know if you...

Forgot to mention this.... I don't know if you are working on a cowled engine installation or not. Some guys cut a small rubber ball in half, and glue it to a popsicle stick to use as a choke on...
Forum: Engine Conversions 10-13-2017, 11:48 AM
Replies: 49
Views: 608
Posted By av8tor1977
Having a good quick drop to idle sometimes...

Having a good quick drop to idle sometimes necessitates having the high speed mixture correct, definitely not lean, and the idle mixture just a touch rich. A slightly rich idle doesn't idle quite as...
Forum: RC Fuels 10-12-2017, 06:08 PM
Replies: 6
Views: 416
Posted By av8tor1977
Another source for nitro and methanol not...

Another source for nitro and methanol not mentioned is automotive speed shops. That's where I get it.

Under certain circumstances, nitro can become shock sensitive, like the nitroglycerin you...
Forum: Engine Conversions 10-12-2017, 10:44 AM
Replies: 10
Views: 158
Posted By av8tor1977
Thanks for the pics! Wish I had one to play...

Thanks for the pics! Wish I had one to play with. That's WAY lighter than the Chinese electric start engine setup I have. They weren't worried about weight on the one I have, as it was designed...
Forum: Engine Conversions 10-12-2017, 10:34 AM
Replies: 49
Views: 608
Posted By av8tor1977
You could give it a try. The needles should be...

You could give it a try. The needles should be able to compensate for the mixture change if the change isn't too large. The midrange metering is fixed, but these engines tend to run rich in the...
Forum: Engine Conversions 10-12-2017, 10:30 AM
Replies: 49
Views: 608
Posted By av8tor1977
Duplicate post.

Duplicate post.
Forum: Engine Conversions 10-12-2017, 10:29 AM
Replies: 49
Views: 608
Posted By av8tor1977
Duplicate post.

Duplicate post.
Forum: Engine Conversions 10-11-2017, 03:27 PM
Replies: 49
Views: 608
Posted By av8tor1977
Unless a person screws up really bad, (like...

Unless a person screws up really bad, (like forgetting to mix the oil in the gas or something), it rather doesn't matter if one of these engines is out of production and you would like to use it. ...
Forum: Engine Conversions 10-11-2017, 11:19 AM
Replies: 49
Views: 608
Posted By av8tor1977
Yep. CDI is the way to go for sure. The...

Yep. CDI is the way to go for sure.

The Walbro carbs have a number cast into the carb throat entry. This number is the venturi size in 64's of an inch. You want a # 28 for your Ryobi. Use caution...
Forum: Engine Conversions 10-11-2017, 11:10 AM
Replies: 49
Views: 608
Posted By av8tor1977
Thanks. Yes, I am 6' 3" as well. (Well, I was...

Thanks. Yes, I am 6' 3" as well. (Well, I was before these back surgeries; now I am 6' 2".) I have always constructed my work benches higher than standard. Tends to aggravate anyone else that...
Forum: Engine Conversions 10-11-2017, 11:02 AM
Replies: 10
Views: 158
Posted By av8tor1977
You're likely going to notice slightly easier...

You're likely going to notice slightly easier hand starting, (more force required but easier starts), possibly a bit more power, and maybe, maybe, more consistent mixture adjustments. Hard to say...
Forum: Engine Conversions 10-10-2017, 10:38 AM
Replies: 10
Views: 158
Posted By av8tor1977
I've heard of those electric start Homelites, but...

I've heard of those electric start Homelites, but never seen nor gotten my hands on one. Do you happen to have any pics of one? Or do you have a model and/or UTC code so I can look one up? The...
Forum: Engine Conversions 10-10-2017, 10:30 AM
Replies: 10
Views: 158
Posted By av8tor1977
It's been debated what that darn hole is for, but...

It's been debated what that darn hole is for, but the truth is we just don't know. Some say a form of compression release for easier pull starting, some say a poor mans EGR. (Exhaust gas...
Forum: Engine Conversions 10-09-2017, 02:00 PM
Replies: 49
Views: 608
Posted By av8tor1977
WOW! Just made a jaunt over to RCG and took...

WOW!

Just made a jaunt over to RCG and took a gander at your posts. You made that hub out of FLAT STOCK??!! Man! You have more patience than I do, plus my poor back would never allow me to stand...
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