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Forum: RC Combat
12-11-2011, 06:20 AM
Replies: 9
Views: 1,269

RE: Will it fly?

years ago i built a bunch of pink foam 48" ws .40 combat wings, full span elevons no rudders just twin fins the egine was mounted in the wing prop flush with Leading edge center chord was 20" tips...
05-16-2010, 07:49 AM
Replies: 30
Views: 3,644

RE: using camp fuel

with all due respects
well you aint me..... and not all oils are made for high rpm engines try running an outboard, or sno machine oil and you will fry an engine. i have never put much faith in...
05-15-2010, 05:56 PM
Replies: 30
Views: 3,644

RE: using camp fuel

In My Fatsrat engines i run maxima 927 castor at 5 ounces to the gallon of camp fuel, the castor oil will flow to hot spots unlike regular oils which will run away from hot spots. camp fuel will run...
04-14-2010, 09:50 PM
Replies: 5
Views: 1,450

RE: Ryobi 30cc

ryobi's had rev limited coils at 9500 rpm if you can find an older homelite coil they weren't rev limited
12-01-2009, 09:19 AM
Replies: 2
Views: 1,757

10-23-2009, 10:11 PM
Replies: 10
Views: 1,970

RE: ** Update pics 15% power gain with resonator

this resonator is only tuned for can mufflers or straight pipes ....
i had an idea one time to synchronize the resonator and see where it peaked then disable the flask and enable the tuned pipe so...
10-23-2009, 08:39 AM
Replies: 10
Views: 1,970

** Update pics 15% power gain with resonator

the units i tested have a 355ml volume ( as reference it the same volume as a 12oz pop can) with a 3/8" diameter intake horn by 1" long, the horn can be anywhere on the resonator. basically it uses...
10-23-2009, 08:32 AM
Replies: 1
Views: 492

15% power gain with resonator

the units i tested have a 355ml volume ( as reference it the same volume as a 12oz pop can) with a 3/8" diameter intake horn by 1" long, the horn can be anywhere on the resonator. basically it uses...
10-11-2009, 07:16 AM
Replies: 25
Views: 3,370

RE: Big Block for 1/5 scale???

the rpm rating is for propped engines. the interior port layout is pretty much the same as a zen 260 or a sikk cylinder (4 port). they can be modded to spin some serious rpm, check out the heli guys....
10-09-2009, 07:51 AM
Replies: 57
Views: 4,058

twin terror

all i know about this engine is that a guy named Frank Giannini from new jersey builds these ...


http://img11.imageshack.us/img11/4608/i23038newpics1157a5245.jpg
03-10-2009, 06:59 AM
Replies: 32
Views: 2,840

RE: I FOUND THIS IN THE TRASH!!!!!!!!!!!!!!!!!!

find a new dumpster... and return it... was thrown away for a reason
03-08-2009, 11:30 AM
Replies: 4
Views: 614

RE: looking for canadian engine builder ?

have the US builder send the engine with some loose parts (cooling ring off, starter, carb) and send it as warranty replacement parts this avoids the taxes
02-27-2009, 07:58 AM
Replies: 420
Views: 45,208

RE: 91 inch dragster

neat project.... ya know these Hyabusa engines are pretty common


http://img16.imageshack.us/img16/4759/gsx1300rhayabusaengine4.jpg
02-27-2009, 07:53 AM
Replies: 6
Views: 2,232

RE: Looking for Naca Ducts

here are some design parameters


http://img174.imageshack.us/img174/7137/nacaduct23f4e5uv1.jpg
12-31-2008, 05:14 PM
Replies: 16
Views: 1,377

RE: Gonna make my own crackerbox racers busts question..

its good to see some of my "girls are still around"

Just an FYI...they were cast from two part foam in a silicon mold
12-19-2008, 08:04 AM
Replies: 59
Views: 8,420

RE: NEW ENGINE IDEA!

i know cuz ive done it a bunch of times .... when we used to do this it was way before there were digital cameras available.... most of the weedies have the same diameter flywheel and the bolt...
12-17-2008, 11:33 PM
Replies: 59
Views: 8,420

RE: NEW ENGINE IDEA!

whipper snipper whacker hacker engines are rev limited at the coil to around 9500 rpm if you can find an old homelite coil they will spin up all the rpm you want and most are a bolt up fit
12-15-2008, 06:34 PM
Replies: 9
Views: 3,381

RE: Honda engines?

this is a stripped down Honda 35cc 4 stroke sitting next to the Marder frame... it appears that a new floor pan would have to be made to accomodate its slightly larger foot print.... but its do able
12-03-2008, 09:36 AM
Replies: 4
Views: 1,282

RE: Klotz benol castor oil

castor oil has a unique property it will run to a hot spot as regular oil will flow away from hot spots. i ran castor exclusively in my engines with gas and camp fuel. i had a reciever fail once and...
11-13-2008, 07:23 PM
Replies: 12
Views: 1,021

RE: wanting to know

Get ahold of Zac at american rc...great guy, good prices tell him fastratfink sent ya


http://www.americanrcboats.com/
11-13-2008, 09:27 AM
Replies: 12
Views: 1,021

RE: wanting to know

I am old ... dirt and me share birthdays

hahah i get it, but the key word here is conversion
11-13-2008, 12:13 AM
Replies: 12
Views: 1,021

RE: wanting to know

here is a shot of an air cooled conversion i used to build... take a look at the starter end mounts they are simply some aluminum angle with longer screws and some standoffs

...
11-07-2008, 12:28 PM
Replies: 12
Views: 4,396

RE: how to calculate the speed of a car?

layout 88 ft between a couple markers, have your buddy stand back and time the run with a stop watch. if you travel the 88 ft in one second, your doing 60 mph.

or a shorter course is... 44 ft...
11-07-2008, 11:55 AM
Replies: 28
Views: 2,056

RE: gas mix

Hmmmmmmmmmm diesel?

i got a homie to run on Ether and kerosene, a tad smoky though:D
11-07-2008, 11:38 AM
Replies: 70
Views: 4,961

RE: gas offshore class

keep it simple.... say anything 8 ft or less can race.... two strokes 35cc, 4 strokes 50cc or twin 20's when they come online.
two classes that run together ... stock/piped ... and run what you...
Showing results 1 to 25 of 500
 


 
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