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Model Forum / Radio Controlled / Land Models / November 2005hpi/ofna pullstart crossover?
Curious what is the correct pullstart from HPI that will crossover to an Ofna Force .28? Would I need the regular pullstart (.21BB) like for a Savage .25 or the newer style like that would fit the 4.6? I know the regular style HPI pullstart (.21BB) would fit all the Force motors from Ofna in .21-.26, but am unsure on the Force .28......... The HPI pullstarts have always lasted much longer than the Ofnas in my experience, hence the curiosity.. (before I purchase a .28) Had a reply that someone is using the roto start from a Savage 25 on an Ofna .28... so that pretty much answers the question.. > Curious what is the correct pullstart from HPI that will crossover to an > Ofna Force .28? [quoted text clipped - 5 lines] > The HPI pullstarts have always lasted much longer than the Ofnas in my > experience, hence the curiosity.. (before I purchase a .28) > Had a reply that someone is using the roto start from a Savage 25 on an > Ofna > .28... > so that pretty much answers the question.. Whatcha puttin' the Force 28 on bud? El Savage or the buggy? I don't know the price of the Force 28, but for $129 I'd highly recommend the Sportwerks/Dynamite Mach .26. 8-port, 2.75HP, 33,000 RPM. Simply put it's the easiest to tune, most reliable, powerful big block mill I've ever run or worked on. It starts quick every time, will idle all day and take off without bogging or stalling, holds a tune like you wouldn't believe, has a VERY linear power curve and gets up to max RPM's FAST. It will propel my Mayhem ST from 0-50mph in under 4 seconds. Runs 250-280 with stock head and smokes like a freight train. I could lean it out some more for sure but there's no need. I'm dropping one in my Savage over the winter (on my Christmas list!). I also have plans to <possibly> build a Twinzilla with dual Sportwerks .26's over the winter. Doc Pending my current buggy selling...I will probably be getting a Ravager which comes with a Force .28 and will immediately replace the Ofna pullstart (which I have never had any luck with) with a HPI pullstart (which last pretty long in my experiences).. Other pending plans for the Ravager include: Nova Cooling Head and Optional 2spd! Dominator Rims with Panther Komodo low profile Tires CVEC pipe (Hopefully one of my buds will fork for my current buggy, so it can all be realized!) > > Had a reply that someone is using the roto start from a Savage 25 on an > > Ofna [quoted text clipped - 18 lines] > > Doc > Pending my current buggy selling...I will probably be getting a Ravager > which comes with a Force .28 and will immediately replace the Ofna [quoted text clipped - 8 lines] > (Hopefully one of my buds will fork for my current buggy, so it can all be > realized!) You like the Ravager that much huh? I'm assuming your buds is holding up rather well? I'm probably gunna grab a buggy in the spring and am stuck between the Ravager and Mayhem Pro. Ravager is MUCH cheaper which appeals to my wallet, but the Mayhem buggy is a "known good" as I really like my Mayhem ST. I figure for next summer I'll be able to race in all three classes (MT, ST and Buggy)! Doc Yup, His Ravager is awesome..lots of power at will...he can pass our other buggys (.21 Pro and Hyper 8) with ease.( and they aren't slow) Handles very nimble/stiff even with fully offset wheels/low profile tires. Jumps pretty darn good too. The Ofna .28 did run fairly hot with the factory head...hence the cooling head does wonders.. Parts are easy to come-by, although other than a pullstart and steering servo none has been needed by him so far after approx. two gallons...... Based on a 9.5 platform as well... Basically is an Ofna 9.5.... Supposed quick change center diff...( I like this idea to swap from 2 to single speed fairly easy) I like it alot so far from what I have seen. But, I am sure there are much better buggies out there..although I would give this buggy a great "bang for buck" value... (Glad I didn't settle for an Ultra LX Comp earlier)... I also noticed Ofna has a whopping .32 Force motor I believe coming soon! Yep here.. http://www.ofna.com/eng-force-32.html Wonder how well this would do in a 2spd buggy? Vvvvvvrrrooooommmmmmmm ;) > You like the Ravager that much huh? I'm assuming your buds is holding up > rather well? I'm probably gunna grab a buggy in the spring and am stuck [quoted text clipped - 4 lines] > > Doc > Yup, > His Ravager is awesome..lots of power at will...he can pass our other [quoted text clipped - 16 lines] > http://www.ofna.com/eng-force-32.html > Wonder how well this would do in a 2spd buggy? Vvvvvvrrrooooommmmmmmm ;) mmmm, 2 speed buggy :) I really need to find out if the 2 speed from the Kyosho rally MP7.5 would fit an Inferno MP7.5.. Either that, or see if one from an Ofna or something will fit. Atm, my Inferno will out accelerate the savage something shocking, but the savage will hunt it down and pass in no time... Cheers Dre > Yup, > His Ravager is awesome..lots of power at will...he can pass our other [quoted text clipped - 17 lines] > http://www.ofna.com/eng-force-32.html > Wonder how well this would do in a 2spd buggy? Vvvvvvrrrooooommmmmmmm ;) 3+ HP and 38,000RPM to boot! That little mill is gunna be awesome! Big blocks keep getting bigger and bigger............I wonder when it's gunna stop? I'm thinking they can't go much past .32 in a standard big-block sized case or the block walls will be getting too thin for comfort. Doc Why even use a PS? There are other options! |
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