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Search: Posts Made By: diceco
Showing results 1 to 25 of 81
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Forum: Engine Conversions
11-05-2012, 03:51 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

Hi all,

I'm getting out of wet power and going all electric. I'm selling my Ryobis. Both the ones that are presented earlier in this forum are for sale. Check out the ad over at RCGroups....
Forum: Engine Conversions
11-18-2010, 03:32 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

I might have a reed valve and back plate. I'm sure none of the pistons and rods I have are any good. diceco
Forum: Engine Conversions
08-29-2010, 06:20 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

Hi av8tor1977... You may have mentioned before but what are the vital specifications and the manufacturer of your ryobi equiped Tigermoth?

Thanks, diceco
Forum: Engine Conversions
04-12-2010, 12:20 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

The compression and power will improve as you get more run time on it. In general I've heard that gassers will improve power output over the course of several gallons of fuel burned, although I've...
Forum: Engine Conversions
11-27-2009, 09:33 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

See post #294 in this thread for the CR of the later twin runner T port cylinder with the two ring piston

diceco
Forum: Engine Conversions
11-26-2009, 11:11 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

moparcolt wrote:



I tried the decompression slotted cylinder and found a significant difference in compression and output power (see post #145 in this thread). You will probably see a vast...
Forum: Engine Conversions
11-11-2009, 09:52 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

I've been building up another Ryobi 31cc motor over the last couple months. This one is an early long shaft, although not the earliest. The crankcase has a bolt on fan shroud, a single transfer port...
Forum: Gas Engines
10-14-2009, 07:41 PM
Replies: 6,847
Views: 920,164
Posted By diceco

RE: RCGF Engines

I have a reasonable idea of how our little two stroke airplane motors work. My post was entirely factual without any exaggerations. I had high hopes for the Aerovate 28 and have no reason other than...
Forum: Gas Engines
10-11-2009, 06:25 PM
Replies: 6,847
Views: 920,164
Posted By diceco

RE: RCGF Engines

This post reports my recent experience with rc aero product's Aerovate 28, the product, and rc aero products llc, the company. Unfortunately my experience has been poor on both subjects.

I...
Forum: Gas Engines
10-11-2009, 06:18 PM
Replies: 1,264
Views: 160,152
Posted By diceco

RE: Aerovate Engines

This post reports my recent experience with rc aero product's Aerovate 28, the product, and rc aero products llc, the company. Unfortunately my experience has been poor on both subjects.

I...
Forum: Engine Conversions
06-11-2009, 07:49 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

I use a single cell 1800 mah LiPoly battery to power my CHXL (essentially an RCEXL) ignition. It weighs a fraction of the weight of a NIXX battery and it runs fine at the lower voltage. Check out the...
Forum: Engine Conversions
05-12-2009, 06:59 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

I would think that area of the cylinder would run pretty cool what with the cool intake charge flowing by it and it being pretty far away from the combustion chamber. I only rounded off the blunt...
Forum: Engine Conversions
05-11-2009, 10:17 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

Sounds like you got'r covered Jim....

If you're interested in doing some transfer port entrance smoothing ala post No 145 I'd be real curious whether it's worth the effort. When I did mine I...
Forum: Engine Conversions
05-11-2009, 04:21 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

It sounds like this is the late model Ryobi. It IS a good candidate for an R/C motor. It already has good compression, The piston has better support with the center web between the transfer ports....
Forum: Engine Conversions
05-11-2009, 03:46 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

I'm sorry to say that your slotted cylinder is not a good cadidate for an R/C motor. See posts 120 and 145 of this thread.

diceco
Forum: Engine Conversions
04-28-2009, 06:10 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

As far as I'm concerned I've done all I can with mine.

1) It's a late model with the integral fan shroud
2) Bifurcated transfer ports with substantial radiusing and smoothing of the webs at...
Forum: Engine Conversions
04-24-2009, 04:14 AM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

Say andrew66. I would jump at the chance to get a stock magnito system that I could hand start. Would you be willing to give us the particulars of your motor such as what vintage is it and what...
Forum: Engine Conversions
04-23-2009, 05:34 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

Sorry cap.... I'm not interested in playing your childish games....

diceco
Forum: Engine Conversions
04-23-2009, 03:43 AM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

captinjohn.... Your custom reed valve looks very interesting but what effect does it have in performance of the Ryobi motor when compared to the stock reed valve?? Is there an improvement?? Do you...
Forum: Engine Conversions
04-22-2009, 10:31 AM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

It is curious that pereivers performance RPM numbers are so far below what we are getting.

The date/update on his page dates back to June of 2001. There may have been a lot of design/re-design...
Forum: Engine Conversions
04-21-2009, 09:05 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

captinjohn.....

Photos 3 and 4 look like a custom reed valve set up.... but are they made for the Ryobi?? I don't quite see how they would fit into the back of the crankcase.

diceco
Forum: Engine Conversions
04-12-2009, 09:22 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

Stock muffler mods and performance results: when installed on a modified Ryobi 31cc (reed, transfer port inlet, exhaust port) outlined in previous posts in this thread. Tests were done using an APC...
Forum: Engine Conversions
04-11-2009, 04:22 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

A note on large bore carb replacements and chokes. This may seem obvious..... but maybe not.

I thought I'd recount my adventure with fitting a 12.7mm carb to the Ryobi. It's not quite as simple...
Forum: Engine Conversions
04-07-2009, 09:50 AM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

I'm also using a stock muffler with a single 1/2" outlet pipe. I just cut a bigger hole in the can where the original outlet was and stuck a piece of 1/2" EMT about a third of the way into the can...
Forum: Engine Conversions
04-05-2009, 06:18 PM
Replies: 653
Views: 104,705
Posted By diceco

RE: another darn ryobi post (ryobi performance modification, analysis and comparison)

Thats a pretty good summary JIMARRINGTON. See my .02$ below.



Perhaps it is a benifit in both regards, blow-by and compression. The stock single ring has such a huge end gap that I'll bet...
Showing results 1 to 25 of 81
 
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