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Search: Posts Made By: mroyer
Showing results 1 to 25 of 35
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Forum: Club 40
01-10-2011, 07:20 AM
Replies: 135
Views: 12,680
Posted By mroyer

RE: Club 40 Rules Enforcement

Technicality; volume = .25 * bore * bore * pi* stroke

Mike
Forum: Club 40
01-08-2011, 02:17 PM
Replies: 135
Views: 12,680
Posted By mroyer

RE: Club 40 Rules Enforcement

How's this? It is all that Tower hobbies lists right now.

Make Bore Stroke
Inches mm Inches mm
Thundertiger 40 0.8228 20.9 ...
Forum: Club 40
01-08-2011, 01:44 PM
Replies: 135
Views: 12,680
Posted By mroyer

RE: Club 40 Rules Enforcement

It may be helpful if someone assembles data containing the dimensional specifications for the 40 size engines available. If we know bore, stroke, Carb throat diameter and (other?) We could share...
Forum: Club 40
01-07-2011, 09:16 AM
Replies: 129
Views: 11,094
Posted By mroyer

RE: Georgetown RC Club 40 Race Nov 13 2010

So, I havn't even raced yet, and already I need to find a way to mill down the 46 head to match the gap of a 40 head? This is getting more and more difficult!

... But seriously folks, I am...
Forum: Club 40
12-29-2010, 09:37 AM
Replies: 129
Views: 11,094
Posted By mroyer

RE: Georgetown RC Club 40 Race Nov 13 2010

I'm just looking forward to having fun, and I hope I don't cause a mid air collision by over cooking my turn durations. I too have wondered about what tools would be required to enlarge the case to...
Forum: Glow Engines
12-21-2010, 08:13 PM
Replies: 151
Views: 22,472
Posted By mroyer

RE: Bad news from Webra

I'm confused. Are not Webra and ASP both foreign to the USA?
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
11-10-2010, 12:27 AM
Replies: 65
Views: 5,078
Posted By mroyer

RE: What Revolutionized the RC Hobby

Jet aircraft are a small portion of the airplane sector. I think that any jet history (to date) has only a small impact on RC hobbies overall.
Forum: Gas Engines
11-09-2010, 08:00 PM
Replies: 120
Views: 13,418
Posted By mroyer

RE: gassers and metal gear servos

But the moon landing was a hoax. The SR-71 program was carefully managed to minimize risk, and was successful.
Forum: Gas Engines
11-08-2010, 09:04 AM
Replies: 120
Views: 13,418
Posted By mroyer

RE: gassers and metal gear servos

That servo is listed at $85 each! (instead of towerpro at $10 each) Use 5 servos and for the difference of $375, you could buy a spare gasser engine. That sounds like expensive insurance that I...
Forum: Gas Engines
11-08-2010, 12:24 AM
Replies: 120
Views: 13,418
Posted By mroyer

RE: gassers and metal gear servos

but how do I "do my homework" before buying servos? The specifications include weight, torque, current, max speed. Nowhere do I find gear train lonjevity or idle chatter specifications.

Mike
Forum: Club 40
11-05-2010, 11:42 PM
Replies: 129
Views: 11,094
Posted By mroyer

RE: Georgetown RC Club 40 Race Nov 13 2010

I've been tracking his practice using DOD surveillance from my bunker in Taipei. Bob really means business. Be prepared.
Forum: Club 40
11-03-2010, 07:58 AM
Replies: 129
Views: 11,094
Posted By mroyer

RE: Georgetown RC Club 40 Race Nov 13 2010

Bob,

I have re-attached the muffler with gasket sealant to prevent the oil seepage from the gap that damaged my firewall. I have reinforced the firewall and fuel-proofed it. I even epoxied the...
Forum: Club 40
11-03-2010, 04:24 AM
Replies: 129
Views: 11,094
Posted By mroyer

RE: Georgetown RC Club 40 Race Nov 13 2010

I won't be fielding a plane. Unfortunately I have not learned how to keep the wing attached to the fuselage when I go to full throttle with my SuperTiger 40 (with the secret prop selection). Maybe...
Forum: Gas Engines
07-19-2010, 11:19 AM
Replies: 137
Views: 41,542
Posted By mroyer

RE: CRRC PRO GF50i gasoline POWER

Really sorry to hear about the problems. Maybe the bearing failure is due to an alignment problem? Due to a bend in the crankshaft or an irregularity in the crankcase where the bearing is mounted? ...
Forum: Gas Engines
07-19-2010, 10:13 AM
Replies: 893
Views: 133,958
Posted By mroyer

RE: CRRC 40cc kit

to use an inductive timing light, I imagine that the best route would be to put some heat shrink tube around the base (ground) of the spark plug. Then extend the ground path using a wire from the...
Forum: Gas Engines
04-20-2010, 09:14 AM
Replies: 893
Views: 133,958
Posted By mroyer

RE: CRRC 40cc kit

Well 1 Gallon is 128 oz, and 32/128=4. Yes, 4 oz to a gallon for mixing 32 to 1 ratio gas to oil.
Forum: Gas Engines
03-12-2010, 12:14 PM
Replies: 893
Views: 133,958
Posted By mroyer

RE: CRRC 40cc kit

How do you check the timing? Do you put the degree circle on the shaft with a propeller, then use a timing light strobe?
Forum: RC Scale Aircraft
10-27-2009, 11:07 AM
Replies: 73
Views: 36,556
Posted By mroyer

RE: Mick Reeves 1/4 Sopwith Camel

I am looking for a fiberglass cowl for a 1/4 scale sopwith camel. Are there any sources other than "buyAero"?
Forum: Gas Engines
09-24-2009, 10:39 AM
Replies: 893
Views: 133,958
Posted By mroyer

RE: CRRC 40cc kit

The spark will perform differently under compression. Air is an insulator, so when there is more air (compression stroke of an engine) more voltage is required to make the spark jump the gap. So...
Forum: Gas Engines
09-24-2009, 09:53 AM
Replies: 893
Views: 133,958
Posted By mroyer

RE: CRRC 40cc kit

Sounds like carbon "tracking" on the plug's insulator, effectively shorting the plug gap. If this is what is happening, the solution is to run with normal oil content and a normal (not rich)...
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
09-14-2009, 09:12 AM
Replies: 62
Views: 6,800
Posted By mroyer

RE: hobbycity.com

twice! over $200 for each order. I have just received the Imax B8 for $58, compare to $68 at HC. Good people to work with. I like the way that HC publishes prices on the web page however.
Forum: RC Electric Off-Road Trucks, Buggies, Truggies and more
09-14-2009, 07:37 AM
Replies: 62
Views: 6,800
Posted By mroyer

RE: hobbycity.com

I have used Cyclone Toy and Hobby (China) twice with great results. They ship right away, and don't quote out of stock items. Good to hear that hobbycity is also an option. I can get competetive...
Forum: Gas Engines
09-10-2009, 04:32 AM
Replies: 893
Views: 133,958
Posted By mroyer

RE: CRRC 40cc kit

How about diagnostic tools? I found some diagnostic gas engine tools at cyclone toy and hobby. One is a hall sensor replacment thing that sends a signal to the ignition, for ignition testing. The...
Forum: Gas Engines
08-09-2009, 11:17 PM
Replies: 893
Views: 133,958
Posted By mroyer

RE: CRRC 40cc kit

Good detective work, and thanks for posting.:)
Forum: Gas Engines
07-21-2009, 11:21 AM
Replies: 88
Views: 9,948
Posted By mroyer

RE: RE:

Never Never Never use a vacuum cleaner to draw gasoline, gasoline vapors, or other combustibles. The motor is not designed for use in "hazardous (explosive) environments". People die trying to...
Showing results 1 to 25 of 35
 
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