R/C Tech Forums

R/C Tech Forums (https://www.rctech.net/forum/)
-   Onroad Nitro Engine Zone (https://www.rctech.net/forum/onroad-nitro-engine-zone-71/)
-   -   BP racing engines (https://www.rctech.net/forum/onroad-nitro-engine-zone/464706-bp-racing-engines.html)

fuse01 01-24-2011 01:19 AM

very quick engine.. faster then a kangaroo on top end. slips little fuel. not pricey.

combine with a 2015 pipe.. very smooth. this engine needs a little more mid range.


cons: THE CAB! very poor ... NOVA got a better cab.
the tuning screws are ....loose, i hope they stay where they are.


over all from a newbie .... good value for money. will run it aginst the novas and see how this engine fair

garen 01-24-2011 08:51 AM

George, email me if you want one, otherwise A Main has them in stock, just a matter of time until they get them up on their site.

Someone wanted the crankpin size, will try to get that measured today.

Steve, I think the standard 735 compares more closely to the Kangaroo in terms of power and performance. Both are very good engines. The 735RTC is a tuned engine with balanced crankshaft. It is identical to the 935RTC except for the number of ports in the sleeve. Either of the 735's will work well with a 2015 or similar pipe and medium or short header. I have installed a 735RTC sleeve set in my 935RTC engine, and used the 2052 pipe and at GLARCRC (which has a long straight) I have had no problems making 5 minute run time.

I have not had an issue with the carb, specifically with the screws coming loose, but I will keep an eye out.

garen 01-24-2011 08:52 AM

Forgot to mention, the standard 735 will sell for about $300, and the 735RTC for well under $400.

Roelof 01-24-2011 09:36 AM


Originally Posted by garen (Post 8538036)
Someone wanted the crankpin size, will try to get that measured today.

Thanx, and if possible the diameter of the sleeve.

garen 01-24-2011 05:13 PM

crankpin 5mm
od of the sleeve 19.5mm

Roelof 01-25-2011 01:57 AM


Originally Posted by garen (Post 8540528)
crankpin 5mm
od of the sleeve 19.5mm

Yes!
That is what I want to hear. I think I will get a P/S/R set because they are affordable.

garen 01-26-2011 11:53 AM

http://www.amainhobbies.com/index.ph...cturers_id/770

bsmooth 01-30-2011 08:45 AM


Originally Posted by garen (Post 8551161)

Garen,

With the 735 'tuned' version, besides the ceramics and the balancing of the crank, is there anything else that is done to it?

Also, I would like to get one in the next couple of weeks. It looks like AMAIN is starting to get product. How soon will they have the 735RTC?

Thanks,
Steve

garen 01-30-2011 02:16 PM

I assume you mean compared to the standard 735?

The crankshaft, sleeve, rear bearing, and cooling head is what is different from one to the other. Same goes for the 935 pair. Next batch of engines is about 2 to 3 weeks away, about mid February. Shipment leaves Italy tomorrow.

bsmooth 01-30-2011 02:52 PM


Originally Posted by garen (Post 8572399)
I assume you mean compared to the standard 735?

The crankshaft, sleeve, rear bearing, and cooling head is what is different from one to the other. Same goes for the 935 pair. Next batch of engines is about 2 to 3 weeks away, about mid February. Shipment leaves Italy tomorrow.

Yes, thats what I meant.
Thanks again for the info.

-Steve

bsmooth 02-01-2011 12:27 PM

What do you guys think about running an 086 pipe/long conical manifold on the 735RTC, on a small track?

-Steve

garen 02-02-2011 12:59 PM

That should be ok, but you might have an excess of low end punch. If you already have the header and pipe, try them for sure.

bsmooth 02-04-2011 05:00 PM


Originally Posted by garen (Post 8589408)
That should be ok, but you might have an excess of low end punch. If you already have the header and pipe, try them for sure.

Thanks Garen.

garen 02-09-2011 11:11 PM

7 Ports are here.

garen 02-18-2011 11:14 AM

Steve, here you go http://www.amainhobbies.com/product_...d-Engine-Turbo


All times are GMT -7. It is currently 12:18 PM.

Powered By: vBulletin v3.9.3.9 Patch Level 3
Copyright © 2026 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.